G.E.D. Math 20b, Square Roots

An explanation of square roots, raising a number to a second power, how square roots relate to two measures like length times width for area, finding square roots, the radical sign, perfect squares, the square root of 0, finding the square root of a number that isn't a perfect square, negative and positive square roots, principal square roots, indexes, cube roots, using a calculator to find a square root.

Grade 6 Math #12.5a, Perfect Squares and Square roots

Grade 6 Math #12.5b, Square Roots as decimals - non-perfect squares

Grade 8 Math #1.1c, Find a square root or a cube root of a number

Grade 8 Math #1.1d, Irrational numbers and estimating their value

Exponents, Gr 6 - Alg I Playlist

Algebra I Radical Expressions & Equations Chapter 11 Playlist (square roots)

Algebra II 7.1A, Square Roots, Principal Square Roots & 2 Theorems

Algebra II 7.1B, Odd and Even Roots (indexes)

G.E.D. Math 20a, Exponents
Algebra Word Problems Playlist

G.E.D. Math Playlist

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[arvilcampbell]

At first you said the little number is called radican then you said it was called a index number. Which one is it