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Lesson 12 · Whole Numbers

Squares and Square Roots

MathematicsSubject

14 minEstimated read

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Lesson 12 topics

Squares and Square Roots Cubes and Cube Roots HCF and LCM Binary and Base Five Numbers

Quick Facts

Lesson: 12: Whole Numbers
Topic: Squares and Square Roots
Domain: Number

A square number is one that can be arranged into a square. Squaring multiplies a number by itself, and a square root undoes it.

Study Tip

Squaring is not doubling. And when finding a root by prime factors, pair them up: a factor left without a partner means the number is not a perfect square at all.