Add Fractions with Like Denominators
Subtract Fractions with Like Denominators
Decomposing
Adding Mixed Numbers
Subtracting Mixed Numbers
100

1/3 + 1/3 

2/3

100

3/9 - 2/9

1/9

100
Show one way to decompose 4/5 

Sample answer: 1/5 + 3/5

100

5 2/8 + 3 1/8

8 3/8

100
6 2/3 - 5 1/3
1 1/3
200

3/10 + 5/10

8/10

200

5/12 - 3/12

2/12

200

Show one way to decompose 6/12.

Sample answer: 3/12 + 1/12 + 2/12

200

5 3/7 + 2 2/7

7  5/7

200

8 15/16 - 3 12/16

5 3/16

300

11/12 + 2/12 

13/12  OR   1 and 1/12

300

12/8 - 2/8

10/8  OR   1 and 2/8

300

Decompose 4/9 using unit fractions.

1/9 + 1/9 + 1/9 + 1/9

300

4 1/2 + 6 1/2

11

300

6 - 2  4/5

3 1/5

400

6/8 + 6/8 + 7/8

19/8   OR  2 and 3/8

400

11/4 - 2/4

9/4  OR  2 and 1/4

400

Show two ways to decompose 7/3.

Sample answer: 4/3 + 3/3 and 3/3 + 3/3 + 1/3

400

1 7/12 + 2 7/12

4  2/12

400

10 1/4 - 8 3/4

1  2/4

500

Aahana worked on her math homework for 2/6 of an hour, her ELA homework for 3/6 of an hour, and her science homework for 2/6 of an hour.  How much time did Aahana spend on homework in all?

Aahana spent 1 and 1/6 hours in all.

500

Alex had one foot of rope.  He used 2/5 of a foot for a project.  How much rope does Alex have remaining?

3/5 foot of rope

500

Show two ways to decompose 1 and 2/7

Sample answer: 7/7 + 2/7, and 7/7 + 1/7 + 1/7

500

Micah ran 3 1/3 kilometers day one, and 4 1/3 kilometers day two.  How far did Micah run in total?

7  2/3 kilometers

500

A jar contains 6 1/8 ounces of jelly.  Sofia uses 2 7/8 ounces for a recipe.  How many ounces of jelly are left in the jar?

3  2/8 ounces of jelly