IAG - Estimating Square Roots - 2024-25 - NO CALCULATOR!

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What is a square root?

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A 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 because 3 x 3 = 9.

Tags

CCSS.8.EE.A.2

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Estimate the square root of 50. What two whole numbers does it fall between?

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The square root of 50 falls between 7 and 8.

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CCSS.8.NS.A.2

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Back

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CCSS.8.NS.A.2

Front

How can you estimate the square root of a number without a calculator?

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You can estimate the square root by finding the two perfect squares it falls between and determining which one it is closer to.

Tags

CCSS.8.NS.A.2

Front

What is the square root of 64?

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The square root of 64 is 8.

Tags

CCSS.8.EE.A.2

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Back

Tags

CCSS.8.NS.A.2

Front

Estimate the square root of 20. What two whole numbers does it fall between?

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The square root of 20 falls between 4 and 5.

Tags

CCSS.8.NS.A.2

Front

What is the square root of 81?

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The square root of 81 is 9.

Tags

CCSS.8.EE.A.2

Front

Back

Tags

CCSS.8.EE.A.2

Front

Estimate the square root of 30. What two whole numbers does it fall between?

Back

The square root of 30 falls between 5 and 6.

Tags

CCSS.8.NS.A.2