7A Review

Fractions

100

6/7 x 1/3

6/21

200

Can you simplify 1/3?

No, because the numerator is a 1.

300

Simplify 8/24

1/3

400

8/15 - 1/5

5/15 or 1/3

500

1/3 + 1/2

5/6

Order of Operations

100

(2 - 5) x 10

-30

200

12 + 3 - 5

10

300

5 + 2³ 

13

400

2- (-3) x 3¹

11

500

-2 + (-5) - 3⁰

-8

Integers

100

-2 + (-4)

-6

200

358 + 225

583

300

-5 - (-14)

9

400

-4.5 + 2.1

-2.4

500

54 + (-72)

-18

One-step Equations

100

3 + x = 9

x=6

200

12 = x - 4

16

300

24 = -3x

-8

400

5= x/2

10

500

- 50x = -100

2

Exponents

100

3³

27

200

2¹

2

300

3⁰

1

400

2² + 3¹

7

500

5⁰ x 10³

1,000