Addition Property of Equality
Division Property of Equality
Multiplication Property of Equality
Subtraction Property of Equality
Word Problems
100

t-7=9

What is t=16

100

7x=56

What is x=8

100
m/5=1.3
What is m=6.5
100

x+7=9

What is 2

100

Four friends bought tickets to the school play.  If it cost them a total of $28, this multiplication equation could be used to find how much each friend paid.

4x =28

200

x-3=2

What is x=5

200

x/7=-1.4

What is x=9.8

200
-3=x/-4
What is x=12
200

2+a=8

What is a=-6

200

The height reached by Ann's rocket was one fourth the height reached by Min's rocket.  Ann's rocket reached a height of 15 meters.  This division equation can be used to find the height reached by Min's rocket.

m/4 = 15

300

m - 13=7

What is 6

300

3x=4215

What is x=1405

300

w/5=10

What is w=-50

300

10.7=6.2+m

What is m=4.5

300

Chad earned $30 for raking leaves.  He has also earned money by doing chores.  Altogether, he has earned $120.  This is the amount he earned doing chores.

$20

400

819=g-75

What is g=894

400

5e=1/4

What is e=1/20

400

21=x/12

What is x=-252

400

1/2+n=11 1/2

What is n=11

400

A pet store has 45 mice.  The number of mice is 22 more than the number of cats.  This addition equation can be used to find the number of cats (c).

c + 22 =45

500

y+2/3=7/9

What is y=1/9

500

8m=2.40

What is m=0.30

500

x/3=10

What is x=-30

500

27.2=h+45.6

What is h=-18.4

500

Julia bought 9 new golf balls. If she now has a total of 22 golf balls, how may did she start with?

13