Exponents
Square Roots
Perfect Squares
Word Problems/Powers of 10
Vocab
100

How do you express 2 x 2 x 2 in exponent form?

23

100
What is the square root of 4?
2
100

Which of the following is a perfect square? 

 A. 11    B. 20     C. 4      D. 8

C. 4

100

What is the exponential form of 1,000,000?

106

100

Anything to the 2 power is also called ________

squared

200

What is 45 in expanded form?

4 x 4 x 4 x 4 x 4

200

Solve. √49 =

7

200

What is the perfect square of 8? 

64

200

A square has an area of 81 centimeters. What is the length of its sides?

The sides are 9 centimeters.

200

What is a perfect square?


the product of a number multiplied by itself

300

Solve 171

17
300

What is the square root sign (√) called?

A radical

300

What are the two different ways you can say 52?

"Five to the second power" and "five squared"

300

What is three written as a power of 10?

103

300

47: What is the 4 called?

Base

400

Solve 80

1

400

Which if the following is false?

A. √169 = 13

B. √196 = 14

C. √255 = 15

D. √361 = 19

C. √255 = 15

400

Solve. 152

225

400

The sides of a square are 4 inches. What is the area of the square?


The area is 16 inches.

400

Anything to the 3 power is also called __________.

cubed

500

What is the value of 64?

1296

500

Finish the pattern:

9, 16, 25, 36, 49, 64, _____

81

500
Explain why we call it a "Perfect Square." Be specific!
When finding the area of a square, you multiply length times width. In a square, all four sides are equal. Therefore, when you find the area of a perfect square, you are multiplying the same number by itself.
500

What do you need to do to the area of a square to find the length of its sides?


Take the square root of the area.

500

65 : What is the 5 called?

Exponent/power

M
e
n
u