Search Results: "trigonometry problems with solutions and answers"
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01:52
Three Solutions! Can You Find Them? (math trick with answers)
311 views / 0 likes  added★★ Please LIKE if you found at least ONE solution!! ★★ This is an impossible equation, because 6+4 is clearly not 4... BUT there are three solutions to this equation by moving just ONE matchstick. Can you find all three solutions? I am curious to see how

03:58
Basic Trigonometry  Practice Quiz
253 views / 0 likes  addedLearn basic trigonometry with this fun interactive math quiz. You can skip questions by clicking on the time stamps below. I also provided the solutions to every question. Solution #1: https://www.youtube.com/watch?v=w4dIpJmRg Solution #2: https://www.y

05:23
Basic Trigonometry  Word Problem #2
278 views / 0 likes  addedLearn basic trigonometry with this easy to follow example. I also provided the links for other basic trigonometry videos as well. Basic trigonometry quiz: https://www.youtube.com/watch?v=IGV1XufPd6E Basic Trigonometry Practice Question #1: https://www.you

04:21
Basic Trigonometry  Word Problem
283 views / 0 likes  addedLearn basic trigonometry with this easy to follow example. I also provided the links for other basic trigonometry videos as well. Basic trigonometry quiz: https://www.youtube.com/watch?v=IGV1XufPd6E Basic Trigonometry Practice Question #1: https://www.you

04:29
Basic Trigonometry  Practice Question #3
311 views / 0 likes  addedLearn basic trigonometry with this easy to follow example. I also provided the links for other basic trigonometry videos as well. Basic trigonometry quiz: https://www.youtube.com/watch?v=IGV1XufPd6E Basic Trigonometry Practice Question #1: https://www.you

04:41
Basic Trigonometry  Practice Question #2
299 views / 0 likes  addedLearn basic trigonometry with this easy to follow example. I also provided the links for other basic trigonometry videos as well. Basic trigonometry quiz: https://www.youtube.com/watch?v=IGV1XufPd6E Basic Trigonometry Practice Question #1: https://www.you

07:06
Basic Trigonometry  Practice Question #1
310 views / 0 likes  addedLearn basic trigonometry with this easy to follow example. I also provided the links for other basic trigonometry videos as well. Basic trigonometry quiz: https://www.youtube.com/watch?v=IGV1XufPd6E Basic Trigonometry Practice Question #2: https://www.you

09:17
Basic Trigonometry
356 views / 1 likes  addedIntroduction to trigonometry More free lessons at: http://www.khanacademy.org/video?v=Jsiy4TxgIME

15:14
IIT JEE Trigonometry Problem 1
416 views / 0 likes  added2010 IIT JEE Paper I #29 Trigonometry problem More free lessons at: http://www.khanacademy.org/video?v=X7GT9JKoAbo

12:08
Questions No One Knows the Answers to
235 views / 0 likes  addedIn the first of a new TEDEd series designed to catalyze curiosity, TED Curator Chris Anderson shares his boyhood obsession with quirky questions that seem to have no answers. (Introducing the series "Questions no one knows the answers to") "Questions No

10:57
Extraneous Solutions for Radical Equations
229 views / 0 likes  addedu16_l3_t1_we2 Extraneous Solutions for Radical Equations

06:01
Examples Algebraically Analyzing Solutions To Systems
239 views / 0 likes  addedAlgebraically analyzing solutions to systems

05:48
Visually Completing Solutions Of Systems Of Two Variables
331 views / 0 likes  addedVisually completing solutions of systems of two variables

04:12
Constraining Solutions To Two Variable Linear Inequalities
410 views / 0 likes  addedConstraining solutions to two variable linear inequalities

13:57
Suspensions, Colloids and Solutions
291 views / 0 likes  addedSuspensions, Colloids and Solutions. The difference between Molarity and Molality. More free lessons at: http://www.khanacademy.org/video?v=3ROWXs3jtQU

05:06
Solutions to Three Variable System
223 views / 0 likes  addedu14 l3 t1 we4 Solutions to Three Variable System More free lessons at: http://www.khanacademy.org/video?v=145zOBT0LD4

11:10
Extraneous Solutions to Radical Equations
302 views / 0 likes  addedExtraneous Solutions to Radical Equations More free lessons at: http://www.khanacademy.org/video?v=711pdW8TbbY

01:42
How To Use Rounding in Math Problems
548 views / 1 likes  addedHow To Use Rounding in Math Problems. Part of the series: Math Problems. In certain math problems rounding may actually make finding a solution easier and more clear. Use rounding in math problems with help from a mathematics educator in this free video c

06:30
Hypotonic, Isotonic And Hypertonic Solutions(tonicity)
377 views / 0 likes  addedHypotonic, isotonic and hypertonic solutions (tonicity). Seeing the effect of various types of solution on the direction of osmosis.

05:06
Ordered Pair Solutions of Equations
211 views / 0 likes  addedu13 l1 t2 we3 Ordered Pair Solutions of Equations More free lessons at: http://www.khanacademy.org/video?v=SSNA9gaAOVc

04:55
You will NOT know all of these sounds, I am SURE!! (with answers)
257 views / 0 likes  added★★ For more sound broccolies like this... Subscribe to DB! ★★ You will NOT know all of these sounds, I am SURE!! I would be incredibly surprised if anyone actually identifies all of these animal sounds... This is a listening test to see how well you know

01:15
Testing Solutions for a System of Inequalities
220 views / 0 likes  addedu14_l1_t2_we2 Testing Solutions for a System of Inequalities More free lessons at: http://www.khanacademy.org/video?v=XzYNh2wpO0A Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

03:03
Extraneous Solutions to Rational Equations
290 views / 0 likes  addedu15_l2_t1_we2 Extraneous Solutions to Rational Equations More free lessons at: http://www.khanacademy.org/video?v=bml74_PsfwA Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

04:37
Discriminant for Types of Solutions for a Quadratic
394 views / 0 likes  addedu16_l5_t2_we4 Discriminant for Types of Solutions for a Quadratic More free lessons at: http://www.khanacademy.org/video?v=1213qW5k55I Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

06:34 Popular
10 IQ and Riddles For Kids With Tricky Answers
1,345 views / 0 likes  added10 IQ and Riddles For Kids With Tricky Answers. These are the best 10 IQ and Riddles For Kids With Tricky Answers. These are perfect for brain teasers for kids, teens and all. Please try this once and do not forget to like, share and comment.

05:13
Do you have good EYES? (test with answers)
262 views / 0 likes  added★★ For more broccolies like this... Subscribe to DB! ★★ The überchallenge is to be able to identify all the different colors in the video... if you see all 20 colors, you must have massively good eyes! ⤋ BEST OF DAILY BROCCOLI ⤋ 

10:07
New IQ Test! (with answers)
358 views / 3 likes  added★★ More Broccoli = More IQ :DD (Please subscribe!!!) ★★ This IQ test is amazingly accurate. Check how many questions you got right and what it means in terms of your IQ. Are you smart? How intelligent are you? What is my IQ? This new IQ Test will tell you

03:36
90% people fail!! (How smart are you?  test with answers)
442 views / 2 likes  addedLet me know your answers!  10,000 comments = Happy Broccoli! ★★ For more Brain brocs... Subscribe to DB! ★★ This sequence of animal questions will likely mess you up... It's a type of creative IQ test that will test how smart you are. I didn't answer the

02:58
Überchallenge: Make NO Mistake! (with answers)
204 views / 1 likes  added★★ For more ӹ ... Subscribe to DB! ★★ The überchallenge is to control your brain to such an extent, that you are able to ignore words and call out the colors... sounds simple, but it is in fact really hard!! I hope you like the challenge. DO leave me a co

02:27
Checking Ordered Pair Solutions To Equations Example 2  Algebra I  Khan Academy
285 views / 0 likes  addedSecond example of ordered pair solutions Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/twovarlinearequationsandintrotofunctions/solutionstotwovarlinearequations/e/plugging_in_values?utm_so

04:47
Puzzles: 5 "easy"... and one impossible!! (with answers)
228 views / 0 likes  added★★ For more broccoli puzzles stuffs... Subscribe to DB! ★★ The überchallenge is to solve the impossible parking lot question (brain teaser puzzle) at the end. But first warm up with some supposedly "easy" puzzles at the beginning. I hope you enjoy it and

04:01
Got Some Solutions?: Crash Course Kids #26.1
421 views / 0 likes  addedSo, there might not be just one solution to a problem. I know that may sound weird, but it's true. So, how do you come up with multiple solutions? In this episode of Crash Course Kids, Engineer Sabrina shows us how to do that. Watch More Crash Course Kids

02:35
Checking Ordered Pair Solutions To Equations Example 1  Algebra I  Khan Academy
357 views / 0 likes  addedChecking ordered pair solutions to equations Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/twovarlinearequationsandintrotofunctions/solutionstotwovarlinearequations/e/plugging_in_values?ut

05:58 Popular
Tricky Riddles with Funny Answers  Can you solve?
998 views / 1 likes  addedTricky Riddles with Funny Answers These tricky riddles and funny riddles can be solved by any kid or adult who has good sense of humor. These riddles with answers will always test your brain and make your brain scratch. There are 10 Tricky Riddles with Fu

05:19
Riddles: 5 "easy"... & one IMPOSSIBLE! (with answers)
349 views / 0 likes  added★★★★ Riddles and more... Subscribe to Daily Broccoli! ★★★★ This is a fun video with 5 supposedly "easy" riddles with answers, and one impossible question. I love these riddles, because they are clever and in fact not all that difficult. But still I wasn't

07:11
Graphing Solutions To Twovariable Linear Equations Example 2  Algebra I  Khan Academy
372 views / 0 likes  addedGraphing solutions to 2 variable linear equations Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/twovarlinearequationsandintrotofunctions/solutionstotwovarlinearequations/e/graphingsolutio

02:13
Crazy Math Trick: I will guess Your Age! (2017 with answers)
425 views / 3 likes  added★★ For more broccolies like this... Subscribe to DB! ★★ I will guess your age! This is a crazy math trick that is likely to impress you and your friends too! You start with a RANDOM number and then end up with your Age and that number... pretty incredible

12:18
Bill Nye Answers Even More Science Questions From Twitter  Tech Support  WIRED
288 views / 0 likes  addedBill Nye uses the power of Twitter to answer even more science questions. How does the internet work? What's the difference between a meteor, meteorite, and an asteroid? Does anyone really know how gravity works? Is water wet? Bill answers all these quest

03:28
95% Fail: 8 funny trick questions your friends will ALWAYS get wrong! (with answers)
503 views / 1 likes  addedThese are 8 awesome trick questions your friends will always get wrong! Guaranteed! :) I have picked these 8 funny brain teasers because I am sure that noone would get them right when asked spontaneously. See for yourself, whether you will get the right

06:03
10 Trick Questions your friends will ALWAYS get Wrong!! (with answers)
298 views / 0 likes  addedThese are 10 awesome trick questions your friends will always get wrong! Guaranteed! :) I have picked these 10 funny brain teasers because I am sure that noone would get them right when asked spontaneously. See for yourself, whether you will get the righ

04:55
Solve the right triangle  Trigonometry Brain Teaser
556 views / 0 likes  addedA square is inside of a right triangle. The length of each side of the triangle is 345. Given this information what are the dimensions of the square? Can you solve this right triangle? My name is Chris and my passion is to teach math. Learning should ne

08:21
Solutions: Crash Course Chemistry #27
358 views / 0 likes  addedThis week, Hank elaborates on why Fugu can kill you by illustrating the ideas of solutions and discussing molarity, molality, and mass percent. Also, why polar solvents dissolve polar solutes, and nonpolar solvents dissolve nonpolar solutes. All that plus

13:23
Best Colorblind Tests And Crime Riddles With Answers!
137 views / 0 likes  addedForce your brain to work with these crime riddles and colorblind test with answers! Try to give the right answers to these riddles for kids and adults as fast as possible. If you can't concentrate and feel exhausted all the time try to solve tricky riddle

13:34
Water and Solutions  for Dirty Laundry: Crash Course Chemistry #7
418 views / 0 likes  addedDihydrogen monoxide (better know as water) is the key to nearly everything. It falls from the sky, makes up 60% of our bodies, and just about every chemical process related to life takes place with it or in it. Without it, none of the chemical reactions t

04:13
Adults Stumped By Geometry Problems For 10 Year Olds. Can You Solve Them?
408 views / 0 likes  addedThese homework problems were given to 10 year old children (Year 5) in England (Glossop, Derbyshire) and they were posted to Facebook when some adults found them to be difficult. One person claimed the problems were impossible to solve. Can you figure the

13:27
27 FUN BRAIN TEASERS WITH ANSWERS FOR KIDS AND ADULTS
606 views / 0 likes  addedThese short and fun brain teasers with answers for kids and adults, picture puzzles and text riddles will brighten up your mood and will force your brain to exercise (just a bit)! Don't forget TELL IN THE COMMENTS the answer to the last MATH PUZZLE, I kno

14:15
Percent Problems
303 views / 0 likes  addedPercent Problems from Chapter 3 of ck12.org Algebra I textbook

08:45
Basic Trigonometry
344 views / 0 likes  addedAn introduction to trigonometric functions: sine, cosine, and tangent.

06:02 Popular
10 Trickiest Animal Riddles For Kids With Answers!!
1,090 views / 0 likes  added10 Trickiest Animal Riddles For Kids With Answers IMPOSSIBLE EINSTEIN RIDDLES TO SOLVE  Only 2% Pass!! https://www.youtube.com/watch?v=yhUsXzvU3aQ IMPOSSIBLE HIDDEN OBJECTS TO TEST YOUR BRAIN!! : https://www.youtube.com/watch?v=y4YqtleJqSg EPIC CRIME RID
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02:13
Multiplying Fractions Word Problems (ex 1)
363 views / 0 likes  addedMultiplying Fractions Word Problems (ex 1)

02:45
Mixture problems 1
319 views / 0 likes  addedU06_L2_T2_we1 Mixture problems 1 Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

05:56
Basic Trigonometry II
355 views / 0 likes  addedAnother example of figuring out the sine, cosine, and tangent of an angle in a right triangle

03:55
Interpreting Function Graphs Word Problems
502 views / 0 likes  addedInterpreting function graphs word problems

16:29
Trigonometry  Easy to understand 3D animation
163 views / 0 likes  addedIMPORTANT CORRECTION: The proper way to write the law of cosines is C^2 = A^2 +B^2  2AB cos(Ψ)

06:44
Mixture problems 2
277 views / 0 likes  addedU06_L2_T2_we2 Mixture problems 2 More free lessons at: http://www.khanacademy.org/video?v=OBVGQt1Eeug Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

04:07
Mixture problems 3
272 views / 0 likes  addedU06_L2_T2_we3 Mixture problems 3 More free lessons at: http://www.khanacademy.org/video?v=JVlfQEhzLMM Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

08:52
Bill Nye Answers Science Questions From Twitter  Tech Support  WIRED
390 views / 0 likes  addedBill Nye uses the power of Twitter to answer some common science questions. Check out Bill's new show on Netflix "Bill Nye Saves The World" premiering April 21st! Still haven’t subscribed to WIRED on YouTube? ►► http://wrd.cm/15fP7B7 CONNECT WITH WIRED We
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05:27
Solving Percent Problems 3
319 views / 0 likes  addedU05_L2_T1_we3 Solving Percent Problems 3 More free lessons at: http://www.khanacademy.org/video?v=DAikW24_O0A Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

05:59
Systems and rate problems
285 views / 0 likes  addedU06_L2_T1_we1 Systems and rate problems More free lessons at: http://www.khanacademy.org/video?v=at4T4n4JYNc Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

10:05
Systems and rate problems 2
246 views / 0 likes  addedU06_L2_T1_we2 Systems and rate problems 2 More free lessons at: http://www.khanacademy.org/video?v=H5w55UbIZTw Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

04:56
Systems and rate problems 3
279 views / 0 likes  addedU06_L2_T1_we3 Systems and rate problems 3 More free lessons at: http://www.khanacademy.org/video?v=hTBQUibtnBk Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

04:37
Solving Percent Problems 2
291 views / 0 likes  addedU05_L2_T1_we2 Solving Percent Problems 2 More free lessons at: http://www.khanacademy.org/video?v=N4kDzoQOngY Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

07:15
Tony Hawk Answers Skateboarding Questions From Twitter  Tech Support  WIRED
307 views / 0 likes  addedTony Hawk uses the power of Twitter to answer some common questions about skateboarding. Will there ever be another Tony Hawk's Pro Skater? What skateboarding trick was the hardest to learn? Are you ever too old to start skating? Tony also demonstrates ho

06:17
The Fermi Paradox II — Solutions And Ideas – Where Are All The Aliens?
366 views / 1 likes  addedWhere are all the aliens? The universe is too big and too old, why have we not met aliens yet? Do they live in computers? Were they wiped out by an ancient super intelligence? Or are we just to primitive to understand their motives? Whatever the answer is

02:02
Application problems with equation in one variable
249 views / 0 likes  addedu10_l1_t3_we2 Application problems with equation in one variable More free lessons at: http://www.khanacademy.org/video?v=iimpwYBiKNg Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

07:08
Application problems involving units of weight
303 views / 0 likes  addedU06_L1_T2_we3 Application problems involving units of weight More free lessons at: http://www.khanacademy.org/video?v=gnCL_0uA6Ds Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

03:29
Solving application problems involving units of volume
278 views / 0 likes  addedU06_L1_T3_we3 Solving application problems involving units of volume More free lessons at: http://www.khanacademy.org/video?v=KgoXx_58QyQ Content provided by TheNROCproject.org  (c) Monterey Institute for Technology and Education

13:00
Problems with Zero  Numberphile
270 views / 0 likes  addedDividing by zero, zero divided by zero and zero to the power of zero  all pose problems! Numberphile on Facebook: http://www.facebook.com/numberphile Numberphile tweets: https://twitter.com/numberphile This video features Matt Parker and James Grime  ht

04:32
Math Word problems  Solving triangles
379 views / 0 likes  addedBecome an expert in solving math word problems! In this problem you will learn how to use triangles to solve the height of a building. A man steps back 50 feet which the angle to the top of the building change 15 degrees. Using this information find the h

03:23
Comparison Word Problems  Addition And Subtraction Within 20  Early Math  Khan Academy
349 views / 0 likes  addedPractice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/earlymath/ccearlymathaddsub20/ccearlymathwordproblemsmorefewer20/e/additionandsubtractionwordproblemswithin20level3?utm_source=YT&utm_medium

04:42
How To Write Algebraic Expressions From Word Problems  6th Grade  Khan Academy
537 views / 0 likes  addedLearn how to write expressions with variables to describe situations described in word problems. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ccsixthgrademath/cc6thexpressionsandvariables/cc6thalge

01:48
Hospitals are running out of baking soda solutions
258 views / 0 likes  addedThe shortage of baking soda solution is hitting hospitals nationwide and lifesaving operations are being put on hold, the New York Times reports. A hospital in Alabama recently postponed seven openheart operations and one doctor said that he tried mixin

03:09
How To Write Basic Algebraic Expressions From Word Problems  6th Grade  Khan Academy
370 views / 0 likes  addedLearn how to write basic expressions with variables to describe situations described in word problems. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ccsixthgrademath/cc6thexpressionsandvariables/cc6th

02:15
Scientists Get Creative When Solving Problems
162 views / 0 likes  added5 creative ways scientists have solved problems inside and outside the lab. Subscribe to our new channel, INSIDER food: http://insder.co/2kWwBKZ The INSIDER team believes that life is an adventure! Subscribe to our channel and visit us at: https://thisisi

14:11
The Mole 4  Converting Mass to Atoms: Practice Problems
124 views / 0 likes  addedCraig Beals from Beals Science explains how to convert between mass in grams to atoms using the mole. The video includes molar mass, Avogadro's number, converting and mole practice problems. To learn more visit: http://www.BealsScience.com For the previou

12:51
Big Data Problems: Crash Course Statistics #39
27 views / 0 likes  addedThere is a lot of excitement around the field of Big Data, but today we want to take a moment to look at some of the problems it creates. From questions of bias and transparency to privacy and security concerns, there is still a lot to be done to manage t

12:26
Weve Got Answers to Five Whys
90 views / 0 likes  addedWho? What? When? Where? Why? Thats a lot of questions all at once. Lets stick with why for this reel. Well going to tell you everything from why mathematicians are obsessed with a certain kind of chalk to why a Japanese company is making baseball bats out

05:50
Length Word Problems  Measurement And Data  Early Math  Khan Academy
357 views / 0 likes  addedPractice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/earlymath/ccearlymathmeasuredatatopic/ccearlymathlengthwordproblems/e/lengthwordproblems?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMath Watch t

02:12
Fewer Word Problems  Addition And Subtraction Within 100  Early Math  Khan Academy
367 views / 0 likes  addedPractice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/earlymath/ccearlymathaddsub100/ccearlymathmorefewer100/e/additionandsubtractionwordproblemswithin100level3?utm_source=YT&utm_medium=Desc&utm_c

04:28
Adding And Subtracting On Number Line Word Problems  Early Math  Khan Academy
358 views / 0 likes  addedPractice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/earlymath/ccearlymathaddsub100/ccearlymathaddsub100wordproblems/e/addingandsubtractingonthenumberlinewordproblems?utm_source=YT&utm_medium=De

04:51
How to solve problems like a designer
164 views / 0 likes  addedThe design process for problemsolving, in 4 steps. Subscribe to our channel! http://goo.gl/0bsAjO Many thanks to Tim Brown and TED for this interview we recorded at TED 2017. IDEO is an international design company founded in 1991. In the beginning, IDEO

02:50
Pokemon Quiz: Guess the Type! (#1 with answers)
245 views / 0 likes  addedHow well did you do? Please let me know in the comments! Test yourself and then: Test your friends! In this quiz you will see several pokemons and a few options for their type. You have to get all 5 right to be a Pokemon Genius. :) I hope you enjoy it!

02:39
Pokemon Quiz: Guess the Type! (#2 with answers)
255 views / 0 likes  addedHow well did you do? Please let me know in the comments! Test yourself and then: Test your friends! In this quiz you will see several pokemons and a few options for their type. You have to get all 5 right to be a Pokemon Genius. :) I hope you enjoy it!

02:02
What's Your Personality? (Test with Answers / Mind Reading)
305 views / 1 likes  added★★ Find your personality here below! ★★ ...see if it accurately describes your personality: ##### COLORS ########## Blue: You are deep, calm, caring, reliable and trustworthy. Also you appear strong and confident. You also crave harmony and peace. Red: Yo

02:35
6 Trick Questions your Friends will ALWAYS get wrong! (with answers)
193 views / 0 likes  addedThese are 6 awesome trick questions your friends will always get wrong! Guaranteed! :) I have picked these 6 funny brain teasers because I am sure that noone would get them right when asked spontaneously. See for yourself, whether you will get the right

03:50
Most People Fail!! (IQ test with answers)
205 views / 0 likes  addedMost people fail!! That's because they are either artists or scientists, but rarely both! See if you are smart enough to pass this Brain Test. Let me know in the comments! I hope you enjoy this brain challenge. I have combined visual memory with number me

01:34
Solving Ratio Problems With Graph  PreAlgebra  Khan Academy
365 views / 0 likes  addedIn this example we'll plot points on the x and y axis to reflect the given ratios. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/ratesandratios/ratios_and_proportions/e/solvingratioproblemswi

05:05
Solving Ratio Problems With Tables Example 1  PreAlgebra  Khan Academy
269 views / 0 likes  addedWe're displaying ratios in a table format here, and then asking: given a ratio, solve for equivalent ratios. Here are a few examples to practice on. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/r

02:53
More Word Problems  Addition And Subtraction Within 100  Early Math  Khan Academy
368 views / 0 likes  addedPractice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/earlymath/ccearlymathaddsub100/ccearlymathmorefewer100/e/additionandsubtractionwordproblemswithin100level3?utm_source=YT&utm_medium=Desc&utm_c

01:52
Werewolf Problems  Uncle Grandpa  Cartoon Network
391 views / 1 likes  addedStrange things start happening when Uncle Grandpa installs a moon roof in the RV. CN GAMES: http://bit.ly/CNGames SUBSCRIBE: http://bit.ly/109Y6wq WATCH MORE: http://bit.ly/CNUncleGrandpa About Uncle Grandpa: Uncle Grandpa is everyone's "magical" uncle an

08:34
LCM And GCF Word Problems  Factors And Multiples  PreAlgebra  Khan Academy
363 views / 1 likes  addedHere we have a couple of word problemsone searching for the least common multiple and the other for the greatest common factor. Just read them with us slowly and follow along. You'll get it. Practice this lesson yourself on KhanAcademy.org right now: ht

13:30
IP Problems, YouTube, And The Future: Crash Course Intellectual Property #7
465 views / 0 likes  addedIn which Stan Muller talks about some of the problems in Intellectual Property law as it exists today. He'll also teach you a little about how IP law applies to everyone's favorite media platform, YouTube. Lastly, he'll do a little prognosticating, and tr

01:14
Can Namib Desert Beetles Help Us Solve Our Drought Problems?  Think Like A Tree
483 views / 1 likes  addedNamib desert beetles live in an area with little ground water, so how is it that they have no trouble finding H2O? Find out how the resourceful insects use their wing scales to absorb water droplets from fog, and how we can use them as a model for combati

19:37
Smart Math Techniques  Solve maths problems in seconds
374 views / 0 likes  addedTopic In this topic our expert trainer Shruti explains how to solve difficult maths problems in a matter of seconds. OBJECTIVE To enable you to to do faster calculation using best speed maths techniques and make you score more in your exams. These speed m

01:03
Subtraction Word Problems Within 10  Basic Addition And Subtraction  Early Math  Khan Academy
379 views / 0 likes  addedLearn how to solve word problems by subtracting small numbers (numbers 10 or less). Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/earlymath/ccearlymathaddsubbasics/ccearlymathaddsubwordproblemwit

01:42
Addition Word Problems Within 10  Basic Addition And Subtraction  Early Math  Khan Academy
433 views / 1 likes  addedLearn how to solve word problems by adding small numbers (numbers 10 or less). Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/earlymath/ccearlymathaddsubbasics/ccearlymathaddsubwordproblemwithin1

10:24
21 SMART LIFE HACKS FOR ANNOYING PROBLEMS
66 views / 0 likes  addedFANTASTIC AND SMART HACKSWe all have those little things in life that simply tick us off, right? Even though these are small things, they can always somehow ruin your day! This is why weve prepared this video especially for you today, to show you creative

09:03
Quantum Vortices and Superconductivity + Challenge Answers  Space Time  PBS Digital Studios
206 views / 0 likes  addedScientists studying quantum vortices and their impact on superconductivity just won the Nobel Prize. Get your own Space Time tshirt at http://bit.ly/1QlzoBi Tweet at us! @pbsspacetime Facebook: facebook.com/pbsspacetime Email us! pbsspacetime [at] gmail

06:17
Solving Percent Problems  Decimals  PreAlgebra  Khan Academy
360 views / 0 likes  addedWe'll use algebra to solve this percent problem. Watch the next lesson: https://www.khanacademy.org/math/prealgebra/decimalsprealg/percentwordprobsprealg/v/solvingpercentproblems2?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the

03:28
Inequality Word Problems  Applying Mathematical Reasoning  PreAlgebra  Khan Academy
409 views / 0 likes  addedWe're writing inequalities by using information from the word problems. Woohoo! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/applyingmathreasoningtopic/greaterthanlessthan/e/writingnumeric

01:43
Solving Problems With Bar Graphs 2  Measurement And Data  Early Math  Khan Academy
336 views / 0 likes  addedPractice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/earlymath/ccearlymathmeasuredatatopic/ccearlymathbargraphs/e/solvingproblemswithbargraphs2?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMath Wat

04:37
Fractiondecimal Intuition Problems (examples)  4th Grade  Khan Academy
330 views / 0 likes  addedUnderstand the connection between decimals and fractions using a grid diagram. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ccfourthgrademath/cc4thdecimals/cc4thdecimalfractions/e/fractiondecimalin

06:37
The problems with rebuilding beaches
122 views / 0 likes  addedBeach nourishment is the latest chapter in a neverending tale of erosion. Subscribe to our channel! http://goo.gl/0bsAjO About 80 to 90 percent of sandy beaches along America's coastlines are eroding. This is a problem because the developments humans bui

13:59
3 Perplexing Physics Problems
51 views / 0 likes  addedWhy does shaken soda explode? Does ice melt first in fresh or salt water?Thank you Squarespace for sponsoring this video. Go to https://squarespace.com to save 10% off your first purchase of a website or domain using code: VERITASIUMThis video features ex

04:07
Solve Problems: Be An Engineer!
480 views / 5 likes  addedLearn about engineers, who dream up a lot of the things you use every day, from toys to tools!  Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome produc
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13:50
MIXED BRAIN TEASERS WITH ANSWERS TO TEST YOUR BRAIN FITNESS
427 views / 2 likes  addedIt's time to test how fit your brain is! These mixed brain teasers will test all sides and levels: 00:14  Cool quiz questions If you can pass these cool quiz questions, you're on the same page with the new generation! A hint from me: these cool riddles a

02:29
How We'll Solve Our Energy Problems
240 views / 0 likes  added"sparking and controlling a selfsustaining synthetic"  Raffi Khatchadourian Subscribe now! http://www.youtube.com/subscription_center?add_user=shotsofawe Thanks to the ITER Organization for the International Thermonuclear Experimental Reactor photo. Joi

11:00
The Problems with Secret Santa  Numberphile
317 views / 0 likes  addedDr Hannah Fry discusses Secret Santa, anonymity and derangements. And a better way to do it. More Hannah on Numberphile: http://bit.ly/hannah_vids Hannah's cowritten Xmas book: http://amzn.to/2g8mIn6 Hannah's love/math book: http://bit.ly/frylovebook Num

12:20
Problem Solving Word Problems 2
289 views / 0 likes  addedMore free lessons at: http://www.khanacademy.org/video?v=s1QN7sSfBM8

14:03
Tree Gaps and Orchard Problems  Numberphile
177 views / 0 likes  addedGet 10% off at Squarespace: https://www.squarespace.com/numberphile This feature features Ben Sparks... More links & stuff in full description below ↓↓↓ Ben Sparks Twitter: https://twitter.com/SparksMaths More of Ben on Numberphile: https://youtu.be/ETrYE

11:45
Ideal Gas Problems: Crash Course Chemistry #13
344 views / 0 likes  addedWe don't live in a perfect world, and neither do gases  it would be great if their particles always fulfilled the assumptions of the ideal gas law, and we could use PV=nRT to get the right answer every time. Unfortunately, the ideal gas law (like our cul

02:12
8 easy ways to fix common iPhone problems
305 views / 0 likes  addedHave a problem with your iPhone? Don't run to the Genius Bar just yet. There are tons of easy iPhone fixes you can handle yourself using common household items. Read more: http://www.businessinsider.com/sai FACEBOOK: https://www.facebook.com/techinsider T

02:49
Ben 10  Cat Problems  Cartoon Network
160 views / 1 likes  addedA cat problem needs a cat solution! Ben must embrace his inner cat in order to get his new alien, Rath, under control. Episode: Rath of Con CN GAMES: http://cartn.co/ytgames SUBSCRIBE: http://cartn.co/subscribe ABOUT BEN 10: Why have one set of super powe

07:48
ck12.org Normal Distribution Problems: zscore
378 views / 0 likes  addedZscore practice More free lessons at: http://www.khanacademy.org/video?v=Wp2nVIzBsE8

05:00
H2ONO!  Fresh Water Problems: Crash Course Kids #33.1
600 views / 2 likes  addedWhat happens to a single ecosystem when the amount of freshwater available in it changes? Not really much good. In this episode of Crash Course Kids, Sabrina talks about ecosystems and how one small change can lead to a cascade effect in the entire ecosys

10:25
ck12.org Normal Distribution Problems: Empirical Rule
411 views / 0 likes  addedUsing the empirical rule (or 689599.7 rule) to estimate probabilities for normal distributions More free lessons at: http://www.khanacademy.org/video?v=OhRr26AfFBU

05:33
Right Triangle Word Problems — Harder Example  Math  New SAT  Khan Academy
327 views / 0 likes  addedWatch Sal work through a harder Right triangle word problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsatmath/newsatadditionaltopicsmath/v/satmaths6easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the

03:52
Right Triangle Word Problems — Basic Example  Math  New SAT  Khan Academy
313 views / 0 likes  addedWatch Sal work through a basic Right triangle word problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsatmath/newsatadditionaltopicsmath/v/satmaths2harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the

26:19
Minecraft PS4  20 Block Challenge  Portal Problems (21)
330 views / 1 likes  addedWelcome to the 20 block challenge. In this challenge I am trying unlock the platinum trophy on the Playstation 4 version while only ever placing down 20 blocks. Playlist  https://www.youtube.com/playlist?list=PLEZiAg2bYC7k_wayTLT9bbwTp0wB5kQ1 Twitter 

05:09
Volume Word Problems — Harder Example  Math  New SAT  Khan Academy
299 views / 0 likes  addedWatch Sal work through a harder Volume word problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsatmath/newsatadditionaltopicsmath/v/satmaths2easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the previou

03:59
Volume Word Problems — Basic Example  Math  New SAT  Khan Academy
327 views / 0 likes  addedWatch Sal work through a basic Volume word problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsatmath/newsatadditionaltopicsmath/v/satmaths1harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the previous

03:13
Simple robots form a chain gang to solve complex problems
153 views / 0 likes  addedNew way of coordinating bots could help with rescue missions Read more  https://scim.ag/2v4zn3s CREDITS  editor/animator/narrator Chris Burns supervising producer Sarah Crespi script Sarah Crespi Chris Burns Shandria Sutton citation L

04:21
How To Write Onestep Equations For Word Problems  6th Grade  Khan Academy
482 views / 0 likes  addedLearn how to write basic equations to model realworld situations. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ccsixthgrademath/cc6thequationsandinequalities/cc6thsuperyoga/e/equationsinonevari

09:40
Quadratic And Exponential Word Problems — Harder Example  Math  New SAT  Khan Academy
441 views / 0 likes  addedWatch Sal work through a harder Quadratic and exponential word problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsatmath/newsatpassportadvancedmathematics/v/satmathp2easier?utm_source=YT&utm_medium=Desc&utm_campaign

03:30 Popular
Quadratic And Exponential Word Problems — Basic Example  Math  New SAT  Khan Academy
977 views / 0 likes  addedWatch Sal work through a basic Quadratic and exponential word problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsatmath/newsatpassportadvancedmathematics/v/satmathp1harder?utm_source=YT&utm_medium=Desc&utm_campaign=

02:55
Linear Equation Word Problems — Basic Example  Math  New SAT  Khan Academy
486 views / 0 likes  addedWatch Sal work through a basic Linear equations word problem. Watch the next lesson: https://www.khanacademy.org/testprep/newsat/newsatmath/newsatheartofalgebra/v/satmathh2easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the prev

10:53
ck12.org Normal Distribution Problems: Qualitative sense of normal distributions
362 views / 0 likes  addedDiscussion of how "normal" a distribution might be More free lessons at: http://www.khanacademy.org/video?v=79duxPXpyKQ

16:36
2003 AIME II Problem 11.avi
332 views / 0 likes  addedA little trigonometry to figure out the area of a triangle More free lessons at: http://www.khanacademy.org/video?v=smtrrefmC40

18:18
2003 AIME II Problem 14
335 views / 0 likes  addedTrigonometry and geometry to find the area of an equilateral (but not regular) hexagon More free lessons at: http://www.khanacademy.org/video?v=EcBKdC8vOo

03:51
Can You Solve This MIT Admissions Question? Geometry Problem, 1869
395 views / 0 likes  addedThe Massachusetts Institute of Technology (MIT) is one of the top ranked universities in the world. This question appeared on its admissions exam nearly 150 years ago. "The perpendicular dropped from the vertex of the right angle upon the hypotenuse divid

03:52 Popular
Zumba Dance Workout For Weight Loss
1,148 views / 3 likes  addedHave fun while you lose weight! Zumba Dance Workout is an enjoyable way to stay fit. Welcome to the best of Zumba, offered by http://www.escuelasalsabarcelona.com/zumba/ who believe that the best way to lose weight is by having a blast! Enjoy the video! F

01:44
Interpreting Twoway Tables  Data And Modeling  8th Grade  Khan Academy
352 views / 0 likes  addedLearn how to read twoway tables. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/earlymath/ccearlymathcountingtopic/ccearlymathcounting/v/countingwithsmallnumbers?utm_source=YT&utm_medium=Desc&utm_c

07:10
TOUGH Interview Question  Ways To Give 11 Coins To 3 People
289 views / 0 likes  addedHow many ways can you divide 11 coins to 3 people? How many ways are there if each person has to get at least 1 coin? This puzzle is an example of a technical interview question. The video demonstrates the solution, which indicates the number of nonnegat

03:54
What's The Best Soup Can Size? The Optimal Cylinder Puzzle
314 views / 0 likes  addedA cylindrical can with volume V can be made in different ways. The cylinder can be wide and short (large radius and small height), or it can be narrower and taller (small radius and larger height). Which shape uses the least material? That is, which can h

06:13
Calculating the circumference of the Earth in 200 BC
189 views / 0 likes  addedIn one of the dopest displays of critical thinking in history, Eratosthenes estimated the circumference of the Earth. All he had was a pole, the sun, knowledge of a famous well in Egypt, and potentially money to pay someone to walk the distance between tw

07:34
Pixar: The Math Behind The Movies  Tony DeRose
321 views / 0 likes  addedView full lesson: http://ed.ted.com/lessons/pixarthemathbehindthemoviestonyderose The folks at Pixar are widely known as some of the world's best storytellers and animators. They are perhaps less recognized as some of the most innovative math whizz

13:55
WORLD'S GREATEST MAGIC TRICKS REVEALED AND COOL TRIVIA FOR KIDS
522 views / 1 likes  addedFinally! A compilation of world's greatest magic tricks and cool trivia that will WOW your brain to the max: 00:14  The secrets of one of the most famous magic tricks for kids are finally revealed! 02:40  Secrets behind logos that we see every day!  Lo

07:02
The Cosmic Conspiracy Of Dark Energy Challenge Question  Space Time  PBS Digital Studios
294 views / 0 likes  addedWe're living in the middle of a remarkable cosmic coincidence, an incredibly brief period of time where both matter and dark energy both play a part in the fate of our universe. To better understand this video watch our other Dark Energy episodes: Part 1

10:42
Cognition: How Your Mind Can Amaze and Betray You  Crash Course Psychology #15
510 views / 1 likes  addedYou can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.

11:27 Popular
Can You Solve The Viral 11x11 = 4 Puzzle? The Correct Answer Explained
765 views / 1 likes  addedIf 11x11=4 and 22x22=16, what is 33x33=? This puzzle has been shared with the claim that only geniuses can solve it. It has gotten millions of views on the internet and Facebook as people have debated the correct answer. In this video I present what many

03:01
Try Trials: Crash Course Kids #39.2
407 views / 0 likes  addedWe've talked about variables and solving problems. But how do we keep working on a problem if the first solution doesn't fix it? Trials! In this episode of Crash Course Kids, Sabrina shows us how to use Trials to figure out what the problems are with our

01:56
How to Do Fractional Coefficients
556 views / 0 likes  addedHow to Do Fractional Coefficients. Part of the series: Math Problems. Fractional coefficients need to be completed in a very specific way. Learn how to do fractional coefficients in math problems with help from a mathematics educator in this free video cl

05:27
Can You Solve The MindBending SelfCounting Sentence Riddle?
483 views / 0 likes  added"In this sentence, the number of occurrences of the digit 0 is __, of the digit 1 is __, of the digit 2 is __, of the digit 3 is __, of the digit 4 is __, of the digit 5 is __, of the digit 6 is __, of the digit 7 is __, of the digit 8 is __, and of the d

13:02 Popular
14 MYSTERY RIDDLES THAT WILL TRICK YOUR MIND
862 views / 2 likes  addedTest your brain power and boost your logic with these mystery riddles that will trick your mind. Not only these riddles and answers will nicely exercise your brain, but also test your brain power in the most relaxed and fun way! Numerous studies have show

13:50 Popular
EMOJI QUIZ CHALLENGES AND FUNNY RIDDLES TO KEEP YOUR BRAIN IN SHAPE
845 views / 2 likes  addedNew emoji quiz challenge for those who stays up to date with world famous brains, movies and songs! These funny riddles will test your mind and logic. Let's see if you can stand up to this challenge: 00:14  New emoji quiz. Warm up your brain with this sh

02:06 Popular
Can You Solve The Viral Matchstick Puzzle 6 + 4 = 4?
713 views / 0 likes  addedCan you fix 6 + 4 = 4 by moving 1 matchstick? This problem has gone viral on Facebook, with one post having over 400,000 shares. The ground rules are you cannot break a stick, it should be an equality (=), and you have to use 7segment numbers (the block

30:00
How To Grow Anything  The Great Courses
197 views / 0 likes  addedLearn how to take advantage of small spaces to blend ornamental and edible plants, and come up with creative solutions for everyday gardening challenges, including color balance, climate restrictions and more.

11:17
AcidBase Reactions in Solution: Crash Course Chemistry #8
291 views / 0 likes  addedLast week, Hank talked about how stuff mixes together in solutions. Today, and for the next few weeks, he will talk about the actual reactions happening in those solutions  atoms reorganizing themselves to create whole new substances in the processes tha

01:18
Can You Make 4 Triangles From 6 Matches?
517 views / 0 likes  addedCan you use 6 matches to make 4 triangles of equal size and equal shape? This is harder than it sounds! Give it a try before watching the video for a solution. If you like my videos, you can support me at Patreon: http://www.patreon.com/mindyourdecisions

04:22
Impossible Algebra Problem
672 views / 0 likes  addedThis problem is making the rounds. Can you place numbers in the four boxes so all the equations are true? Blog post (text/image explanation): http://wp.me/p6aMk4up If you like my videos, you can support me at Patreon: http://www.patreon.com/mindyourdecis

03:25 Popular
Can You Solve This? AA + BB + CC = ABC
912 views / 0 likes  addedIf AA + BB + CC = ABC, what are the values of A, B, and C? All the digits are distinct and positive. Watch the video for a solution. Blog (text explanation): http://wp.me/p6aMk4Cm If you like my videos, you can support me at Patreon: http://www.patreon.c

04:42
How Warren Buffett Tried To Trick Bill Gates In A Dice Game
302 views / 0 likes  addedWarren Buffett once challenged Bill Gates to a dice game similar to this one. How would you play the game? Blog post (text explanation) http://wp.me/p6aMk4ro Source The dice numbers and the story are described at Microsoft Research's website for nontran

05:57
How To Split A Cake Fairly Using Math
349 views / 0 likes  addedHow can 2 people split up a cake, knowing that each person wants to get a larger piece than the other? What about 3 people, or even N people? This is an example of a fair division problem from game theory. There are many cakecutting algorithms to produce
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06:22
Super Genius Test: Brain teaser, logic puzzle & the hardest search image ever! (viral)
265 views / 0 likes  addedIf you solved all three of them, you are a SUPER GENIUS!!! Please let me know how many you got right in the comments below! The first one went viral on quora, the other one was completely in all channels and most people could not answer all 9 questions...

05:06
Why Do Mosquitoes Bite Some People More Than Others?  What The FAQs  NowThis
57 views / 0 likes  addedEver wonder why you're more prone to mosquito bites than your friends? It might have to do with the carbon dioxide you're inhaling, whether your Blood Type A or B, or it could be because you're drinking more beer than cocktails. Subscribe to NowThis Futur

05:06
Why Do Mosquitoes Bite Some People More Than Others?  What The FAQs  NowThis
69 views / 0 likes  addedEver wonder why you're more prone to mosquito bites than your friends? It might have to do with the carbon dioxide you're inhaling, whether your Blood Type A or B, or it could be because you're drinking more beer than cocktails. Subscribe to NowThis Futur

01:57
I Will Read Your Mind  Math Magic Trick
604 views / 1 likes  addedPick a 2 digit number. Got it? Now and add up the digits. Subtract that from your original number. Look up the resulting number in the table. Can I figure out the symbol you are looking at? This video predicts your symbol and explains why this math trick
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07:52
Find The 10 Digit Number Classic Puzzle And Solution
350 views / 0 likes  addedI'm thinking of a 10 digit number that uses the each digit 0 to 9 exactly once and where the number formed by the first n digits is divisible by n. What could my number be? The video explains how to find the answer using tests for divisibility. Blog post:

04:26
97% Fail... Test your EYES! (incl. secret message)
383 views / 0 likes  added★★ Secret message because... we reached + 278k SUBS!!!! ★★ Massive thank you! You are the best!! The überchallenge is to be able to find all the letters that are hidden in the images. ...if you see all 12 letters, you must have massively good eyes! This i

06:24
The Seemingly Impossible Escape Logic Puzzle
602 views / 0 likes  addedAn evil logician takes Alice and Bob captive. They have a chance to escape if they can deduce the total number of trees in the prison. Can they figure it out? Source of puzzle wu: riddles forum https://www.ocf.berkeley.edu/~wwu/cgibin/yabb/YaBB.cgi?board

03:00
Multiply Numbers By Drawing Lines
315 views / 0 likes  addedGow to multiply numbers by drawing lines. Get the Multiply By Lines Book! https://www.amazon.com/gp/product/1500866148/ If you like my videos, you can support me at Patreon: http://www.patreon.com/mindyourdecisions Connect on social media. I update each s
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04:52
Can You Solve The Two Rope Puzzle?
326 views / 0 likes  addedYou have two ropes and a lighter. Each rope burns in 60 minutes, but the ropes do not burn at a constant rate. How can you measure 45 minutes by burning the ropes? Some of you might have heard this problem before. If so, try this variation: how can you me

04:58
Your Brain Can Solve Algorithms  David J. Malan
357 views / 0 likes  addedView full lesson: http://ed.ted.com/lessons/yourbraincansolvealgorithmsdavidjmalan An algorithm is a mathematical method of solving problems both big and small. Though computers run algorithms constantly, humans can also solve problems with algorit

06:24
Can You Solve The Chameleon Riddle?
419 views / 0 likes  addedA museum has 13 blue, 15 red, and 17 green chameleons. Whenever two chameleons of different colors meet, they both change into the color of the other chameleon (if blue and red met, for example, they would both turn green). As the chameleons mingle, is it

02:13
Crazy Math Trick: I will guess Your Age! (OLD 2016 version)
358 views / 0 likes  addedCheck here for the 2017 version: https://www.youtube.com/watch?v=PQjNF34H3Bs&feature=youtu.be ★★ For more broccolies like this... Subscribe to DB! ★★ I will guess your age! This is a crazy math trick that is likely to impress you and your friends too! You

10:20
SURPRISING Coin Flipping Probability  Flips To HH Versus HT
253 views / 0 likes  addedWhat is the expected number of coin flips until you get two heads in a row (HH)? What is the expected number of coin flips until you get a heads followed by a tails (HT)? The video presents the solution and an intuitive explanation for this probability ri

02:57
Viral Facebook Math Problem
497 views / 1 likes  addedThis problem has over 2 million comments on Facebook and is getting coverage in mainstream media and blogs. Can you figure out this Facebook fruit algebra puzzle involving apples, bananas, and coconuts? The video presents what many people consider to be t

14:38
TRAIN YOUR LOGIC WITH THESE 16 SHORT RIDDLES FOR KIDS
418 views / 1 likes  addedTrain your logic with these 16 short and fun riddles for kids :) Solving tricky riddles for 20 minutes a day makes you smart and more attentive to the details! These awesome riddles with answers will improve your logic and increase your brain power! So be

03:36
FOG: Clearing up the confusion
281 views / 0 likes  addedWhat is fog exactly? How does a plane land in zero visibility? UPS meteorologist Jeff Peters steers us through the facts and clever solutions. Follow TED Institute on Twitter @TEDPartners Subscribe to our channel: https://www.youtube.com/user/TEDInstitute
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08:27
Can You Solve The 3 Cards Riddle?
325 views / 0 likes  addedThere are 3 cards in this problem. One card is blue on both sides, another is red on both sides, and the last is red on one side and blue on the other. The cards are put in a bag and I pick one at random. Without looking at the colors on the card, I place

03:31
How Logical Are You? The Irrationality Illusion Tricks Most
477 views / 0 likes  addedThis video relates a cognitive bias ("irrational" decision) to an optical illusion (picture at 1:45). For more, check out my new book, "The Irrationality Illusion: How to Make Smart Decisions And Overcome Bias" http://amzn.to/1o3FaAg Blog post (text and i

02:45
The Day After Tomorrow Is Yesterday Riddle. Can You Solve It?
334 views / 0 likes  addedThis puzzle is popular on Facebook and many other sites. "When the day after tomorrow is yesterday, then today will be as far from Wednesday as today was from Wednesday when the day before yesterday was tomorrow. What day is today?" Can you solve this tri

02:23
This SAT Math Question Has A Mistake
303 views / 0 likes  addedThis question appeared on the October 1980 SAT exam. Like all questions, it was supposed to have exactly one correct answer. However the testmakers made a mistake. Can you figure out what they did wrong? Blog post (text explanation): http://wp.me/p6aMk4

03:33
Can You Solve This Intelligence Test? Viral Facebook Puzzle
337 views / 0 likes  addedIf 6 + 4 = 210, and 9 + 2 = 711, what is the rule to combine numbers? This "intelligence test" has been shared more than 3 million times on Facebook. On Twitter people claim solving it means you have an IQ of more than 150 (genius level). In this video I

06:57
When Is Christmas? Mentally Convert Date To Day Of The Week
266 views / 0 likes  addedJanuary 1, 2016 is a Friday. When will Christmas be in 2016? What about Christmas in 2055? You can do this in your head! Blog post (text explanation): http://wp.me/p6aMk4qQ Doomsday Rule (previous video): https://www.youtube.com/watch?v=UsStBxY9STw Calcu

05:09
Can You Solve The Snake Eyes Probability Riddle?
389 views / 0 likes  addedYou close your eyes and roll a pair of dice. The casino dealer announces that at least one of the rolls is showing a 1.What is the probability that both dice are showing a 1? Watch the video for the solution. (Snake eyes is a term for rolling a pair of 1s

12:16
Singapore Math: Grade 3a Unit 2 (part 11)
317 views / 0 likes  addedSome 2step word problems.

05:53
Quantum Eraser Lottery Challenge  Space Time  PBS Digital Studios
442 views / 0 likes  addedMatt challenges you to use quantum physics to win the lottery. Are you up to the task? Previous Episode on Quantum Eraser https://www.youtube.com/watch?v=8ORLN_KwAgs Get your own Space Time tshirt at http://bit.ly/1QlzoBi Tweet at us! @pbsspacetime Faceb

05:55
"Impossible" Logic Puzzle  How Many Liars Are At The Party?
370 views / 0 likes  addedA party has 100 people who are either liars are truth tellers. Liars always lie and truth tellers always say the truth. After the party you ask each person, "How many truth tellers did you shake hands with?" Each person gives a different answer from 0 to

08:59
SAT Prep: Test 2 Section 9 Part 2
280 views / 0 likes  addedProblems 69 starting on page 488

09:35
SAT Prep: Test 4 Section 2 Part 1
316 views / 0 likes  addedProblems 16 starting on page 582

08:55
SAT Prep: Test 6 Section 7 Part 1
343 views / 0 likes  addedProblems 15 starting on page 733

11:31
Singapore Math: Grade 3a Unit 2 (part 10)
342 views / 0 likes  addedSome final 4 digit subtraction problems.

09:57
SAT Prep: Test 5 Section 7 Part 1
375 views / 0 likes  addedProblems 15 starting on page 669

09:28
SAT Prep: Test 6 Section 7 Part 2
358 views / 0 likes  addedProblems 69 starting on page 734

09:02
SAT Prep: Test 7 Section 8 Part 1
321 views / 0 likes  addedProblems 16 starting on page 803

09:40
SAT Prep: Test 1 Section 9 Part 1
289 views / 0 likes  addedProblems 14 starting on page 423

09:51
SAT Prep: Test 5 Section 7 Part 2
347 views / 0 likes  addedProblems 69 starting on page 670

09:50
SAT Prep: Test 1 Section 9 Part 2
276 views / 0 likes  addedProblems 58 starting on page 424

08:47
SAT Prep: Test 3 Section 2 Part 1
312 views / 0 likes  addedProblems 15 starting on page 518

09:48
SAT Prep: Test 6 Section 9 Part 1
361 views / 0 likes  addedProblems 16 starting on page 743

09:58
SAT Prep: Test 1 Section 3 Part 2
297 views / 0 likes  addedProblems 47 starting on page 396
>> View trigonometry problems solutions answers web videos