Fractions Review

Adding/Subtracting Fractions

100

1/2 + 5/2

6/2

200

1/2 + 4/5

13/10

300

11/2 - 5/3

23/6

400

1 2/5 - 1 3/4

13/20

500

5 1/2 - 2 1/3

19/6

Multiplying Fractions

100

3 xx 1/2

3/2

200

4/3 xx 4

16/3

300

10 xx 4/3

40/3

400

2 1/2 xx 5

25/2

500

3 3/4 xx 2

30/4

Making Percentages

100

5/10

50%

200

0.3

30%

300

11/20

55%

400

6/8

75%

500

7/14

50%

Equivalent Ratios

100

5:6 = ___:18

15

200

___ : 28 = 8:7

32

300

24:42  = 4:___

7

400

24:6 = 32:___

*Hint: Use unit rates.

8

500

6:54 = 9:___

81

Word Problems

100

A car travels 100km in 2 hours. How far did it go in one hour?

50km

200

A student completes 15 math problems in 5 minutes. How many would he complete in 1 minute?

3 math problems. 

300

It costs $30 for 10 notebooks. How much would it cost for 7 notebooks?

$21

400

The world record for hot dog eating is 80 hotdogs in 10 minutes. How many hot dogs could he eat in 7 minutes at the same pace?

56 hot dogs. 

500

20cm of snow fell in 4 hours. How much snow would fall in 5 hours?

25cm