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Standards/Math/Alabama/8.4

8.4

8 Grade 8
8.1
8.10
8.11
8.12
8.13
8.14
8.15
8.16
8.17
8.18
8.19
8.2
8.20
8.21
8.22
8.23
8.24
8.25
8.26
8.27
8.28
8.29
8.3
8.30
8.4
8.4.a8.4.b
8.5
8.6
8.7
8.8
8.9

Use square root and cube root symbols to represent solutions to equations.

8.4.aEvaluate square roots of perfect squares (less than or equal to 225) and cube roots of perfect cubes (less than or equal to 1000).8.4.bExplain that the square root of a non-perfect square is irrational.
Khan Academy Resources
Approximating square roots walk throughSquare roots of perfect squaresCube roots reviewCube rootsSquare rootsApproximating square rootsSquare and cube challengeEquations with square roots & cube rootsComparing irrational numbers with a calculatorEquations with square roots: decimals & fractionsComparing irrational numbersRoots of decimals & fractionsApproximating square roots to hundredthsSquare root of decimalComparing values with calculatorIntro to cube rootsApproximating square rootsIntro to square rootsComparing irrational numbers with radicalsDimensions of a cube from its volume
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