Adding Fractions
Subtracting Fractions
Benchmark Fractions
Subtracting Mixed Numbers
Real World Problems
100

2/6 + 3/6 

5/6

100

8/9 - 1/3

5/9

100

Estimate the sum using benchmark fractions

6/9 + 1/5

1

100

6 1/2 - 3 5/10

3

100

Mrs. Thomas spends 2/3 of an hour making sub plans Monday, and then spends 3/4 of an hour Tuesday grading papers.  How much total time does she spend making sub plans and grading papers?

1 5/12 hour

200

2/3 + 4/5

1 7/15

200

6/8 - 2/3

1/12

200

Estimate the sum using benchmark fractions.

4/9 + 5/8

1

200

7 2/5 - 4 1/2 

2 9/10

200

A store sells 3/5 pound of carrots and 1/3 pound of asparagus. How many more pounds of carrots did the store sell?

4/15 of pound

300

4/5 + 2/6

1 2/15

300

9/10 - 4/5

1/10

300

Estimate the difference using benchmark fractions

8/9 - 3/5

1/2

300

8 1/2 -2 2/3

5 5/6

300

Annie spent 3 1/3 hours reading a novel and 1 1/3 hours reading poetry. How many hours did Annie spend reading?

4 2/3 hours

400

7/3 + 4/6

3

400

6/7 - 3/4

3/28

400

Round the mixed number using benchmark fractions

3 4/5

4

400

9 1/3 - 4 3/5

4 11/15

400

Frank is putting up wallpaper in his bedroom. His bedroom measures 1 1/8 feet long and 9 3/4 feet wide. What is the perimeter of Frank’s bedroom

21 3/4 ft

500

1 2/3 + 4 3/4

6 5/12

500

6/9 - 3/5

1/15

500

Estimate the sum of mixed numbers.

2 5/6 + 2 6/7

6

500

8 1/4 - 3 3/10

4 19/20

500

Rafi feeds his cat 5/6 of a can of cat food in the morning and  2/3 of a can in the evening. How many cans of cat food will Rafi need in order to feed his cat for 5 days?

8 cans