Unit 5: Operations With Fractions

Adding Fractions

100

2/3 + 1/3 = ?

What is 3/3 or 1

200

Find the sum of 2/5 and 1/4 

What is 13/20

300

Add 2 1/16 and 5 1/16

7 2/16

400

Add 2 4/5 and 1 2/3

4 7/15

500

Stacey ran 4 2/3 miles on Monday and 3 5/8 miles on Tuesday. How many miles did she run altogether?

Write a number sentence for this problem.

8 7/24 miles

4 2/3 + 3 5/8 = 8 7/24

Subtracting Fractions

100

Subtract 8/10 from 9/10

1/10

200

What is the difference between 3/4 and 1/3?

5/12

300

7 - 4 6/8 = ?

2 2/8 OR 2 1/4

400

What is 5 2/5 minus 3 4/5?

2 3/5

500

James is travelling from Detroit to Georgia. The flight will take 4 1/4 hours. He has been on the plane for 1 2/3 hours. How much longer will he be on the plane?

Write a number sentence for this problem.

2 7/12 hours

4 1/4 - 1 2/3 = 2 7/12

Fraction of Whole Number

100

What is 1/6 of 12?

2

200

Find 3/4 of 16!

12

300

24 X 5/8 = ?

15

400

Tracey has 20 feet of ribbon. She uses 4/5 of it to create a gigantic bow. How much ribbon did she use?

16 feet of ribbon

500

Multiply 30 by 5/8

15 15/4 OR 18 3/4

Fraction of Fraction

100

1/3 X 2/4 = ?

2/12 OR 1/6

200

What is 4/5 of 2/7?

8/35

300

Jonathan had 1/3 of a chocolate bar. He gave 2/5 of the bar to his sister. What part of the bar did his sister get?

2/15 of the chocolate bar

400

What is the area of a rectangle with the dimensions 5/6 feet by 2/3 feet? 

10/18 OR 5/9 squared feet

500

Draw an area model for the problem 2/3 by 1/4.

Write a number sentence for this problem.

2/12 OR 1/6

Miscellaneous

100

Compare these two fractions using <, >, or =: 2/3 ? 1/2

2/3 > 1/2

200

Compare these two fractions using <, >, or =: 3/4 ? 3/5

3/4 > 3/5

300

Put the following fractions in order from least to greatest: 5/8, 3/5, 1/2

1/2, 3/5, 5/8

400

What is the LCM (least common multiple) of 6 and 8?

24

500

What is the GCF (greatest common factor) of 12 and 16?

4