Square root of 2 triangle - Square root of 2 - Wikipedia, the free encyclopedia

### Cube Root

Cubed Root: Find the prime factors of the number under the radical; look for groups of 3 of the same number, like 3 - 2's (cubed root of 8) to take out of the radical; if negative, can factor out the -1

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So cool! Tennenbaum’s visual proof of the irrationality of the square root of 2.

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Babylonian tablet illustrating a square and working out the square root of 2…

My kids never quite grasped that to find one side of a square you need to find the square root of the area... I like this for them! :)

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FREE Square Roots of Perfect Squares Reference Card - from the square root of 1 to the square root of 400.

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Math = Love: "Best Activity Ever for Reviewing Square Roots"

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Cute idea... good way to get them to learn square roots without them knowing it because they know the numbers under the post its! It is very inexpensive and not at all time consuming to make. The only problem I can think of with this would be the postit notes loosing their ability to stick onto the clock's face.

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square root of negative one teach math: algebra 2

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You must be the square root of 2 because I feel irrational around you. ~ Walowitz

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