1. Real Numbers

1.01 The real number system

1.02 Review: Exponent notation and perfect squares

1.03 Square roots of perfect squares

1.04 Estimating square roots

1.05 Cube roots of perfect cubes

1.06 Comparing and ordering real numbers

United States of America UT

Grade 8

1.03 Square roots of perfect squares

Interactive practice questions

Evaluate $12^2$122

Easy

< 1min

Evaluate $9^2$92

Easy

< 1min

Evaluate $\left(-4\right)^2$(−4)2

Easy

< 1min

Evaluate $\left(-16\right)^2$(−16)2

Easy

< 1min

Outcomes

8.EE.2

Use square root and cube root symbols to represent solutions to equations of the form x2 = p and x3 = p, where p is a positive rational number. Evaluate square roots of small perfect squares and cube roots of small perfect cubes. Know that √2 is irrational.

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