Fractions Unit Review

Equivalent Fractions

100

1/3 = ?/6

2/6

200

3/8 = 9/?

9/24

300

5/7 = ?/35

25/35

400

2/3 = 12/?

12/18

500

?/11 = 15/55

3/11

Comparing Fractions

100

5/6 _____ 3/6

5/6 > 3/6

200

5/11 _____ 8/11

5/11 < 8/11

300

4/7 _____ 12/21

4/7 = 12/21

400

5/9 _____ 1/2

5/9 > 1/2

500

8/6 _____ 8/7

8/6 > 8/7

Adding and Subtracting Fractions

100

3/11 + 7/11 = ?

10/11

200

9/11 - 7/11 = ?

2/11

300

1/12 + 1/12 = ?

2/12 (1/6)

400

4/5 + 3/4 = ?

31/20 = 1 11/20

500

9/10 - 3/4 = ?

3/20

Multiplying Fractions

100

1/2 x 15 = ?

15/2 = 7 1/2

200

12 x 1/6 = ?

12/6 = 2

300

6 x 4/7 = ?

24/7 = 3 3/7

400

9/10 x 8

72/10 = 7 2/10 (7 1/5)

500

A baker can bake an average of 3/4 pies per hour. At this rate, how many pies can the baker make in 5 hours?

= 5 x 3/4

= 15/4

= 3 3/4

Therefore, the baker can make 3 3/4 pies in 5 hours.

Dividing Fractions

100

2 ÷ 1/10 = ?

= 2 x 10/1

= 20/1

= 20

200

10 ÷ 1/3 = ?

= 10 x 3/1

= 30/1

= 30

300

7 ÷ 4/6 = ?

= 7 x 6/4

= 42/4

= 10 2/4 (10 1/2)

400

2 ÷ 4/5 = ?

= 2 x 5/4

= 10/4

= 2 2/4 (2 1/2)

500

How many pieces of wood 1/2 metre long can be cut from a log that is 15 metres long.

= 15 ÷ 1/2

= 15 x 2/1

= 30/1

= 30

Therefore, 30 pieces of wood (1/2 m long) can be cut from a 15 metre long log.