Unit 2 6 th Grade Math Exponents, Perfect Squares, Square Roots and Order of Operation Review

Rules for review Use a white board (or piece of paper ) to work out the problems and display your answer Show work when required Circle your answer Each slide will have one question followed by the answer Let’s begin!!

In the expression 5 4, what is the base and what is the exponent? 1

5454 Exponent Base ( 5 * 5 * 5 * 5)

How do you read the expression 5 4 2

5 4 = 5 to the power of 4 ( 5 * 5 * 5 * 5)

What is 10 cubed? 3

10 cubed is 10 to the power of three 10 3 ( 10 * 10 * 10)

What is the value of 2 3 4

2 x 2 x 2 4 x 2 8

What is the value of 4 3 5

4 x 4 x 4 16 x 4 64

Write 4 x 4 x 4 x 4 in exponential form 6

Write 4 x 4 x 4 x 4 in exponential form4

Write 5 x 5 x 5 in exponential form 7

Write 5 x 5 x 5 in exponential form 5 3

What is the square root of 81? 8

x 9

What is the square root of 144? 9

x 12

A square patio has an area of 400 square feet. How long is each side? 10

A square patio has an area of 400 square feet. How long is each side? 20 feet x 20

Janet’s pattern of increasing perfect squares is shown below. 25, 36, 49, ___, 81, 100 What number does Janet need to square in order to find the missing term? 11

25, 36, 49, ____, 81,

What are the perfect squares between 0 and

What are the perfect squares between 0 and

A square rug has an area of 361 square feet. What is the length of one side? 13

A square rug has an area of 361 square feet. What is the length of one side? x 19

14

10 10 x 10

Simplify 4 2 X 2 –

4 2 X 2 – X 2 – –

Simplify 48 - (2 x 3) 2 16

48 - (2 x 3)

Simplify 1 + (5 -3) 0 x 12 17

1 + (5 - 3) 0 x x x

Simplify 8 (5 – 3) x

8 (5 – 3) x x x

Simplify ( )

4 2 - ( ) (16 - 9)

1,345,634, Simplify

1,345,634,345 0 = 1