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8th Grade Square and Cube Roots Worksheets

Ages 13-14 · 4 sub-topics · Free previews · Print-ready PDFs

A square root is the nonnegative number that gives a number when squared, and a cube root is the number that gives it when cubed. There are 22 worksheets for 8th grade, each with an answer key, on perfect squares and cubes, root equations and estimating roots. Square Roots of Perfect Squares to 400, Solve x Squared Equals p, Two Solutions and Place Square Roots on Number Lines are three of the sheets. Native sheets practice 8.EE.A.2 and 8.NS.A.2.

Written by Adi Ackerman, Head Teacher

Square and Cube Roots▼

Frequently Asked Questions

A square root undoes squaring, so the square root of 49 is 7 because 7 × 7 = 49. A cube root undoes cubing, so the cube root of 125 is 5 because 5 × 5 × 5 = 125. A cube root can be negative, but a square root of a negative number has no real answer.

More math worksheets

Explore all of our 8th grade math worksheets, covering number theory, exponents, scientific notation, square and cube roots, and more.

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