Perfect Square Roots and Prime Roots

Which number has a square root that  is between 5 and 6?

• 48

• 81

• 28

• 36

Tags

CCSS.8.EE.A.2

If I know the area of a square, how do I find the side length?

• I square the area.

• I divide the area by 2.

• I take the square root of the area.

• I divide the area by 4.

Tags

CCSS.8.EE.A.2

The area of a square is 36 cm².  What is the length of one side?

• 6 cm

• 24 cm

• 9 cm

• 9 cm

Tags

CCSS.8.EE.A.2

If the prime factorization of a square number is

3x3x3x3x5x5x5x5 then the square root of the number is______

• 155

• 335

• 115

• 225

Tags

CCSS.8.EE.A.2

The total number of trees in a garden is 441. In the garden, the number of rows is same as the number of trees in each row. Find the number of rows of trees in the garden.

• 21

• 24

• 26

• 29

Which of the following is NOT a perfect square?

• 1

• 4

• 100

• 8

Tags

CCSS.8.EE.A.2

The area of the square pool on Mr. Carr's vacation was 256 ft². How long was one side of the pool?

• 17 ft

• 18 ft

• 16 ft

• 15 ft

Tags

CCSS.8.EE.A.2

Which would be the next number in the pattern? 
36, 49, 64, 81 __

• 82

• 18

• 64

• 100

Tags

CCSS.HSF.BF.A.2

The square root of 1.96 is_____

• 1.4

• 0.14

• 1.2

• 0.12

Tags

CCSS.8.EE.A.2

Which one of the following number is not a perfect squre?

• 64

• 121

• 144

• 85

Tags

CCSS.8.EE.A.2