8A Fall Review

Square Roots

100

sqrt25

5

200

sqrt64

8

300

sqrt121

11

400

sqrt169

13

500

sqrt324

18

Exponents

100

5²

25

200

6²

36

300

4³

64

400

18¹

18

500

24⁰

1

Combining Like Terms

100

5a - 3 + 2a

7a - 3 

or

-3 + 7a

200

a + a + a + a

4a

300

2xy + 2xy + 3 y

4xy + 3y

400

b + b + b - 2b

b  

500

3s + 9 - 6 - 5s

-2 s + 3

Order of Operations (PEMDAS)

100

What does the E stand for in PEMDAS?

Exponents

200

Which operation should you do first?

3 + (4 - 2) + 3²

Parenthesis first, so (4 - 2)

300

Which operation should you do first?

Multiplication or Division?

Work from LEFT to RIGHT!

--->

400

4 - 3 x 2

-2

500

12 x 3 - 20

16