Fraction Review

Reduce

100

12/32

3/8

200

15/27

5/9

300

(12*35)/(7*18)

3 1/3

400

(1*2*3*4*5)/(2*3*4*5*6)

1/6

500

(7*15*24)/(21*25*36)

2/15

Add/Subtract

100

1/3 + 1/3 + 1/6

5/6

200

3/8 + 6/7

 

69/56 = 1 13/56

300

4/5 - 1/3

7/15

400

1 1/4 - 3/5

26/40 = 13/20

500

I bought a tree that was 1 2/5 meters tall. One year later it was  2 3/8 meters taller. How tall is the tree now?

1 2/5 + 2 3/8 = 3 31/40 meters

Multiplication

100

The Smith family is driving to a park that is 80 miles away. So far, the family has driven 3/8 of the distance. How many miles have they driven? 

30 miles

200

5/8 * 4/9

20/72 = 5/18

300

What is 2/5 of 30

12

400

2 2/5 * 1 7/8

4 1/2

500

Rebecca is reading a book. She has read 25 pages of the book. That is  5/8 of the total length of the book. How many total pages are in the book? 

Hint: Use a picture to help you solve. 

40 pages

Division

100

8/9 div2/9

4

200

12/21 div 16/28

1

300

We bought 9 pizzas (cut into 8 slices). Everyone wants to eat 3 slices. How many students can we feed before we run out of pizza?

24 students

400

5div2/3

7 1/2

500

5 3/5 div 2 1/3

2 2/5

Equations

100

3x-19=20

x=13

200

x div 4+7=20

x=52

300

5x-38=3x

x=19

400

6 1/3-x=3 3/4

x = 2 7/12

500

12x-28=18x-100

x=12