Chapter 2.1 to 2.3 Review

Reciprocal

100

^{12 / 5}

5 / 12

200

3/9

9/3

300

6/17

17/6

400

1/5

5/1

500

20

1/20

Convert Mixed to Improper

100

2 1/2

3/2

200

4 2/3

14/3

300

5 3/4

23/4

400

9

9/1

500

7 3/5

38/5

Multiply Fractions

100

1/4 x 2/5

2/20 or 1/10

200

3/8 x 1/9

3/72 or 1/24

300

6 x 7/8

42/8 or 21/4

400

2 1/2 x 4/5

20/10 or 10/5 or 2/1 or 2

500

1 1/6 x 6 3/4

189/24 or 63/8 or 7 7/8

Divide Fractions

100

1/3 divided by 1/2

2/3

200

7/10 divided by 3/8

56/30 or 28/15 or 1 13/15

300

14/27 divided by 7

14/189 or 2/27

400

2 1/4 divided by 3/4

36/12 or 18/6 or 9/3 or 3

500

3 3/4 divided by 2 1/12

180/300 or 18/30  or 3/5

Story Problems

100

What is the area of a shape with a length of 5 1/4 ft and 3 1/3 ft

210/12 ft or 17 1/2 sqft

200

The cooking time for a ham is 2/5 of an hour per pound. How long will it take to cook 2 3/4 pounds of ham?

22/20 hours or 1 1/10 hours

300

You are given 3/5 of an apple pie. You divide the pie into 5 equal slices. What portion of the original pie is in each piece?

3/25

400

Mrs. Marshall has 6 pints of paint. It takes 7/8 pint to paint a bowl. How many bowls can Mrs. Marshall paint with her supply?

48/7 or 6 6/7 bowls

500

A bag of dog food contains 42 cups of food. Your dog eats 2 1/3 cups of dog food per day. Will one bag last 3 weeks. Why or Why Not

126/7 or 18 days. No