Chapter 4 Review

Base 10

100

0.305 x 10 

3.05

200

2.3 x 100 

230

300

1.7 x 1000 

1700

400

10⁴ x 30

300,000

500

10^? x 70 = 70,000

3

Multiplication 1

100

0.4 x 0.6

.24

200

20 x 0.4

8

300

1.68 x 3.4

5.712

400

3.4 x 4.28 

14.552

500

15.24 x 5.2

79.248

Multiplication 2

100

18 x 4.4

79.2

200

12.1 x 1.72

20.821

300

23.7 x 0.02

0.474

400

6.2 x 2.14

13.268

500

2.8 x 212.1

593.88

Find the Mistake

100

0.6 x 0.7 = 0.042

0.42

200

2.8 x 345.1 = 9,662.8

966.28

300

1.1 x 13.8 = 1.518

15.18

400

8.06 x 3 = 2.418

24.18

500

56.2 x 7.9 = 44.398

443.98

Story Problems

100

Travis can read a book chapter in 2.3 hours. The book has 18 chapters. How long will it take him to read the book?

41.1 hours

200

Zane needs to buy 27 party favors for the family reunion. The favors cost $2.98 each. How much will the party favors cost in all?

$80.46

300

A bag of grass seed weighs 5.8 pounds. How many pounds would 2.5 bags weigh?

14.5

400

One serving of yogurt has 9.15 calories. What is the number of calories in 2.5 servings

22.875 calories

500

Amelia can walk 14.04 miles in one hour. How far can she walk in 6.2 hours?

87.048