Estimating Square Roots

Between which two whole numbers is the square root of 20?

• 5 and 6
• 10 and 2
• 4 and 5
• 3 and 4

Tags

CCSS.6.NS.C.7

Which number has a square root that  is between 7 and 8?

• 48
• 81
• 60
• 36

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.8

Which is the best estimate of the square root of 63?

• 7.1
• 7.3
• 7.5
• 7.9

Tags

CCSS.8.NS.A.2

Which is the best estimate of the square root of 26?

• 5.09
• 5.89

• 5.75
• 5.58

Tags

CCSS.8.NS.A.2

Which number has a square root that could be estimated at 8.94?

• 65
• 90
• 80
• 70

Tags

CCSS.8.EE.A.2

CCSS.8.NS.A.2

Which number is NOT a perfect square?

• 196
• 169
• 121
• 132

Tags

CCSS.8.EE.A.2

Which number is a perfect square?

• 225
• 132
• 99
• 110

Tags

CCSS.8.EE.A.2

The square root of 99 falls between which two consecutive whole numbers?

• 8 and 10
• 8 and 9
• 10 and 11

• 9 and 10

Tags

CCSS.6.NS.C.7