Name:    Lesson 6: Subtracting Fractions with Grids

1.

Use the grid strategy to calculate each difference for Questions 1 - 5.

3/5 - 1/3
 a. 9/15 b. 4/15 c. 5/15 d. 2/2

2.

7/8 - 2/5
 a. 5/3 b. 19/40 c. 35/40 d. 16/40

3.

3/4 - 1/5
 a. 2/1 b. 11/20 c. 15/20 d. 4/20

4.

7/8 - 2/3
 a. 21/24 b. 5/5 c. 16/24 d. 5/24

5.

2/4 - 2/5
 a. 10/20 b. 1/10 c. 8/20 d. 1/1

6.

Ella delivered 1/6 of her flyers. Then she delivered 3/4 of her flyers. What fraction of Ella’s flyers are left to deliver?
 a. 2/12 b. 9/12 c. 1/12 d. 2/2

7.

Dong walked 4/5 of the way to school from his house. Then his mom picked him up and drove the rest of the way. What fraction shows how much of the way his mom drove?
 a. 1/5 b. 4/5 c. 2/5 d. 3/5

8.

A barrel contains 1/6 water and 2/3 paint. How much of the barrel is empty?
 a. 1/6 b. 1/2 c. 3/3 d. 5/6

9.

When Sherry left her home she had 4/5 of a tank of gas. She drove to her Grandma’s house.  When she got to her Grandma’s house she had 1/8 of a tank of gas left.  How much gas did Sherry use to drive to her Grandma’s house?
 a. 27/40 b. 1 3/4 c. 3/5 d. 7/40 + 1/4

10.

What is the difference of 5/6 and 1/2?
 a. 1/3 b. 10/12 c. 6/12 d. 3/4