Chapter 4 Review

Word Problems

100

A restaurant manager bought 300 packs of napkins. If each pack contains 50 napkins, how many napkins did he buy?

300 X 50= 15,000 napkins 

200

A newborn baby sleeps up to 18 hours per day. up to how many hours does a newborn sleep in a week?

18 X 7= 126 hours

300

A motel has $489 to buy new pillows. If the cost of each pillow is $13, how many pillows will the motel be able to buy? 

37 pillows

400

The parking lot for a new shopping center is going to have 105 parking spaces in equal rows. If each row has 15 spaces, how many rows will the parking lot have? 

7

500

Amelia has 4 times the number of stickers that Dereck has. How many stickers does dereck have if Amelia has 120 stickers?

30

Miscellaneous

100

List all the factors of 64

1,2,4,8,16,32,64

200

A whole number greater than 1 with more than two distinct factors is called? 

Composite number

300

List the first 5 multiples of 11

0,11,22,33,44

400

I am a two digit prime number. The difference between my digits is 0. What number am I? 

11

500

When playing his favorite video game, John earns 5 points every time he retrieves a lost animal. How many animals does he need to retrieve to earn 170 points? 

34 

Multiplication

100

Find the Product of 512 X10⁶

1,000,000

200

200 X 7,000

1,400,000

300

450 X 300

13,500

400

28 X 144

4,032

500

An elephant living in a hot climate typically drinks 193 liters of water a day. How many liters of water does an elephant drink per year? 

193 X 365= 70,445

Estimate

100

31 X 384 

Answers will vary- 

Front end= 9,000

Rounding=12,000

Compatable numbers= 10,000

200

The cost of a classroom chair is $22. What is the approximate price of 28 chairs

Answers will vary....

300

835/24

800/20= 80/2= 40

400

99/ 6

Answers will vary

500

921/ 31

Answers will vary

Divide

100

16,000/ 8

2,000

200

810,000 / 900 =

900

300

175/8

21 R 7

400

1232/ 4

308

500

34069/ 54

_{630 R 49}