Simplify
Estimate Sums and Differences
Common Denominators
Adding and Subtracting Fractions
Adding and Subtracting Mixed Numbers
100

Can you simplify 1/3?

No
100

Use benchmark fractions to tell whether the difference of 7/8-1/5 is closer to 0, 1/2 or 1. 

1

100

Make equivalent fractions for each fraction that have a common denominator. 1/4 and 1/2 

1/4 and 2/4 

100

Add and simplify:

2/15+2/3 

4/5

100

1 3/4 + 7 5/8= 

9 3/8

200

Simplify 2/12

1/6

200

Estimate the sum of 5/6 and 9/10

2

200

Name the first 3 common multiples for each fractions denominator: 2/3 and 2/9

9, 18, 27 

200

Subtract and simplify if possible:

1/4-1/8

1/8

200

8 7/10 - 1 2/5

7 3/10 

300

Simplify 16/24

2/3

300

Estimate the difference of 11/12 and 89/100

0

300

Find common denominators for the fractions 5/6 and 8/9. 

30/36 and 32/36

300

Add and simplify if possible:

3/4 + 1/8 =

7/8

300

3 3/10 + 2 7/20 = 

5 13/20

400

What is the greatest common factor of 8/32?

8

400

Your friend says that 7/8-5/12 is about 0. Find a closer estimate and explain why your estimate is closer. 

1/2

400

What would you multiply 4/5 by to equal 12/15.

3

400

Mrs. Hood ordered a pizza. Mr. Hood ate 3/4 of the pizza and Waters ate 1/8 of the pizza. How much pizza did Mrs. Hood have left?

1/8 

400
A family adopts a puppy that weighs 7 7/8 pounds. They take him to the vet 2 weeks later, and he weighs 12 3/16 pounds. How much weight did the puppy gain?

4 5/16 lbs 

500

Simplify 25/10

5/2

500

Which benchmark fraction is 11/9 closest to? 

1

500

Is 16/20 equivalent to 4/5? If yes, what do you multiply 4/5 by. 

yes, 4

500

Ms. Dyer used 2/6 of a cup of sugar to make brownies and then she used 4/5 cup of sugar to make sweet tea. How much sugar in all did Ms. Dyer use in the brownies and the tea? Simplify if possible 

34/30 or 1 2/15

500

A radio station plays three commercials between two songs. The commercials play for 2 minutes altogether. The first commercial is 1/2 minute, the second commercial is 1 1/4 minute. How long is the third commercial? 

1/4 minute 

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