Chapter 3

Divide Whole Numbers

100

5777/24

240 R17

200

14,558/29

502

300

606,048/642

944

400

504,144/36

14,004

500

A pallet of bottles of water weighs 1860 pounds. Each case of water weighs 31 pounds. How many cases of water are on a pallet?

There are 60 cases of water on a pallet.

Division Patterns

100

56.39/10

56.39/100

56.39/1000

5.639, 0.5639, 0.05639

200

9.9/10

3.9/100

0.99, 0.039

300

2.75/0.1

2.75/0.01

2.75/0.001

27.5, 275, 2750

400

5.8/0.1

58/0.01

58, 5800

500

2.5/0.0001

2.5/0.00001

25,000

250,000

Divide Decimals by Whole Numbers

100

0.95/5

0.19

200

49.32/9

5.48

300

58.92/4

14.73

400

$34.80/12

$2.90

500

A large box of books weighs 34.5 lb and is three times the weight of a smaller box. How much does the smaller box weigh?

The smaller box weighs 11.5 lb.

Divide Decimals by Decimals

100

0.1748/0.19

0.92

200

6.463/2.3

2.81

300

4.824/0.8

6.03

400

0.00144/0.024

0.06

500

An athletic director orders baseball caps for a team. The total cost is $25.56. Each cap costs $2.84. How many caps did the athletic director order?

The athletic director ordered 9 caps.

Write/Evaluate Division Expressions

100

Write the word expression as an algebraic expression: a number divided by 12

x/12

200

Write the algebraic expression as a word expression:b/92

b divided by 92, the quotient of b and 92

300

w/20, when w = 500

25

400

q/p x 200, when q=225 and p =1.2

37,500

500

A company sells name-brand shampoo for m dollars a bottle. A generic brand of similar shampoo costs one-twelfth the amount. Suppose the name-brand shampoo costs $18.84 a bottle. How much does the generic brand cost?

Expression: m/12

The generic brand costs $1.57 for a bottle.