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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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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square root of negative one teach math: algebra 2

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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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square root of negative one teach math: Airplane Method for Factoring..this is a new one for me, very cool

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

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printable primary math worksheet

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Square root worksheets: Find the square root of whole numbers, fractions and decimals; Square root charts for teachers and homeschooling

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Calculating naturally-occuring curves among square lines using the square root of 2 (about 1:1.414)

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Parts of a Radical Graphic Organizer for Interactive Notebooks

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