4th Grade Fractions Review

Decompose & Unit Fractions

100

Decompose 3/8 into unit fractions.

1/8 +1/8 + 1/8

200

Decompose 9/12 in two ways. Write your answer on the board.

Answers will vary.

300

Jo and two friends each ran 1/5 of a race. Write a number sentence to show the total amount of the race run.

1/5 + 1/5 + 1/5 = 3/5

400

 Decompose 1 1/4.

 1/4 + 1/4 + 1/4 + 1/4 + 1/4

    or

any combination of 4ths to make 5/4

500

 Show 1 as a sum of its unit fractions.

 Any sum of unit fractions with 1 as the numberator and any digit as the denominator.

Adding and Subtracting Fractions

100

1/5 + 3/5

4/5

200

3/9 + 3/9 Simplify.

6/9 = 2/3

300

6/8- 3/8

3/8

400

3/5+ 4/5+ 3/5

2

500

4/9 + 5/9 + 8/9

1 8/9

Adding and Subtracting Mixed Numbers

100

3 2/7 + 2 3/7

5 5/7

200

5 6/8 - 2 3/8

3 3/8

300

3 4/5 + 6 4/5

10 3/5

400

3 7/15 + 4 9/15 + 5 10/15

13 1/15

500

3 4/5 + 10 3/5 + 6 2/5

20 4/5

Comparing and Ordering Fractions

100

Put the Following in order from least to greatest: 1/12, 7/12, 3/12, 5/12

1/12, 3/12, 5/12, 7/12

200

Compare: 4/5 ____ 2/5

Greater Than >

300

Order from Greatest to least: 4/12, 3/5, 8/9

8/9, 3/5, 4/12

400

Compare 4/5 _____ 3/6

Greater than >

500

Order from least to greatest: 3/4, 2/3, 5/9, 7/8

5/9, 2/3, 3/4, 7/8

Simplifying and Equivalent Fractions

100

Simplify this Fraction: 3/12

1/4

200

Find an equivalent fraction for 4/5.

8/10, 12/15, 16/20, 20/25....etc.

300

Simplify this fraction: 8/14

4/7

400

Find an equivalent fraction for 5/11

10/22, 15/33, 20/44..etc...

500

Simplify ALL the way! 36/42

6/7