Square Roots, Cube Roots and Estimating

√16

• 4

• 8

• 2

• 9

Tags

CCSS.8.EE.A.2

√36

• 4

• 3

• 6

• 5

Tags

CCSS.8.EE.A.2

±√121

• 12

• 10

• 11

• ±11

Tags

CCSS.8.EE.A.2

√256

• 14

• 16

• 13

• 17

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CCSS.8.EE.A.2

Identify the letter that best estimates the following square root on the following number line.

√156

• d

• b

• c

• e

Tags

CCSS.8.NS.A.2

Between what two integers is the square root of 77?

• 5 and 6

• 6 and 7

• 7 and 8

• 8 and 9

Tags

CCSS.8.NS.A.2

Find the best estimate for √18 .
Look at the number line.

• 4.2

• 4.4

• 5.1

• 4

Tags

CCSS.8.NS.A.2

• A

• B

• C

• D

Answer explanation

Think about the perfect squares less than and more than. 6²=36 and 7²=49.

Tags

CCSS.8.NS.A.2

Find the best estimate for √18 .
Look at the number line.

• 4.2

• 4.4

• 5.1

• 4

Tags

CCSS.8.NS.A.2

Between what two integers is the square root of 44?

• 3 and 4

• 4 and 5

• 5 and 6

• 6 and 7

Tags

CCSS.8.NS.A.2