Unit 2: Multiplying and Dividing Rationals

Multiplication

100

Simplify:

3 x (-7)

-21

200

Simplify: 

(-12) x (-3)

36

300

Simplify:

(-11) x 6

-66

400

Simplify:

9 x (-7)

-63

500

Simplify:

(-20) x (-25)

500

Dividing Integers

100

Simplify: 

(-16) / (-4)

4

200

Simplify:

24 / (-6)

-4

300

Simplify:

-72 / 9

-8

400

Simplify:

(-132) / (-12)

11

500

Simplify:

176/8

22

Dividing Rationals

100

Simplify:

0.36 / (-9)

-0.04

200

Simplify:

(2/3) / (-2/3)

-1

300

Simplify Completely:

(-5/4) / (-9/2)

5/18

400

Simplify Completely:

(6/8) / (-18/3)

-1/8

500

Simplify:

(-5.8)/(0.8)

-7.25

Order of Operations

100

Simplify:

3(4-7)

-9

200

Simplify:

(6-3)²/(-3)

-3

300

Simplify:

[2(5-9)] / (1/2)

-16

400

Simplify:

[(4/5) - (1/5)] / (4/3)

9/20

500

Simplify:

4(9.2 - 6.1) / 2²

3.1

Word Problems

100

A new restaurant owner loses $150 over the course of the first three days of being open. If this continues how much would you expect them to make or lose on the 4th day?

-$50

200

A basketball player scores 32 points in her first four games of the season. How many points does she score on average?

8 points

300

If 18 people get together for a party and each person eats 1/6 of a cake, how many cakes would be needed to feed everybody and have no leftovers?

3 cakes

400

A rectangle has length 4/3 inches and width 3/2 inches. What is the area of the figure?

2in²

500

Maria is going to bake some cookies and has 15 cups of sugar. If every batch of cookies requires 3/2 of a cup of sugar, how many batches can she make?

10 Batches of Cookies.