Exponents and Squares

Dean's pattern of increasing perfect squares is show below:

25, 36, ____, 64, 81, 100

What number does Dean need to square to find the missing term?

• 6

• 8

• 5

• 7

Which is a perfect square between 25 and 49?

• 28

• 36

• 26

• 30

• 10 + 10 + 10 + 10 + 10

• 10 x 10 x 10 x 10 x 10

• 10 x 5

• 5 x 5 x 5 x 5 x 5

Which is a perfect square between 100 and 144?

• 125

• 121

• 110

• 133

• 144

• 139

• 169

• 196

Which of the following numbers is NOT a perfect square?

• 90

• 144

• 121

• 49

Which of the values below are perfect squares? You must select all correct answers.

• 9

• 4

• 56

• 100

• 64

Which shows 7⁴ in expanded form?

• 7 • 7 • 7 • 7

• 4 • 4 • 4 • 4 • 4 • 4 • 4

• 2401

• 16,384

Which name describes the 5 in 5⁴?

• base

• exponent

• power

• root