ITCA Warm-Up (Radical Expressions)

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What is a perfect square?

Back

A perfect square is a number that can be expressed as the square of an integer. For example, 1, 4, 9, 16, 25 are perfect squares.

Tags

CCSS.6.EE.A.1

Front

List the first five perfect squares.

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1, 4, 9, 16, 25.

Tags

CCSS.6.EE.A.1

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What is the square root of a number?

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The square root of a number is a value that, when multiplied by itself, gives the original number. For example, the square root of 9 is 3.

Tags

CCSS.8.EE.A.2

Front

What is the cube root of a number?

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The cube root of a number is a value that, when multiplied by itself three times, gives the original number. For example, the cube root of 27 is 3.

Tags

CCSS.8.EE.A.2

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Back

Front

What are the two square roots of 16?

Back

4 and -4.

Tags

CCSS.8.EE.A.2

Front

Which number is both a perfect square and a perfect cube?

Back

64.

Tags

CCSS.8.EE.A.2

Front

How do you simplify a radical expression?

Back

To simplify a radical expression, factor the number under the radical into its prime factors and look for pairs (for square roots) or triplets (for cube roots) to simplify.

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Back

9.

Tags

CCSS.8.EE.A.2

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Back

10.

Tags

CCSS.8.EE.A.2