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# Comparing Values With Calculator | Numbers And Operations | 8th Grade | Khan Academy

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Channel: Khan Academy
Categories: Basic Math   |   Math
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## Description

Learn how to compare 22.9% to √0.45 using a calculator.

Practice this lesson yourself on KhanAcademy.org right now:
https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-approximating-irrational-numbers/e/approximating-irrational-numbers?utm_source=YT&utm_medium=Desc&utm_campaign=8thgrade

Watch the next lesson: https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-pos-neg-exponents/v/negative-exponents?utm_source=YT&utm_medium=Desc&utm_campaign=8thgrade

Missed the previous lesson?
https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-approximating-irrational-numbers/v/approximating-square-roots?utm_source=YT&utm_medium=Desc&utm_campaign=8thgrade

8th grade on Khan Academy: 8th grade is all about tackling the meat of algebra and getting exposure to some of the foundational concepts in geometry. If you get this stuff (and you should because you're incredibly persistent), the rest of your life will be easy. Okay, maybe not your whole life, but at least your mathematical life. Seriously, if you really get the equations and functions stuff we cover here, most of high school will feel intuitive, even relaxing. (Content was selected for this grade level based on a typical curriculum in the United States.)

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