Addition Equations
Subtraction Equations
Multiplication Equations
Division Equations
Vocabulary
100

n+7=25

n=18

100

y-12=89

y=101

100

8u=56

u=7

100

1=u/2

u=2

100

The inverse of addition.

What is subtraction.

200

25+y=42

y=17

200

y-11=20

y=31

200

4b=20

b=5

200

h÷3=12

h=36

200
The inverse of division.

What is multiplication.

300

x+15=22

x=7

300

51-a=27

a=24

300

3p=246

p=82

300

81=m/9

m=9

300

The opposite of an operation 

What is inverse

400

58+g=93

g=35

400

60=x-16

76=x

400

7c=245

c=35

400

180=a/12

a=2,160
400

Adding the same number to both sides to keep things equivalent and balanced.

What is the addition property of equality.

500

150=e+42

e=108

500

z-313=176

z=489

500

936=78w

w=12

500

29=k÷5

k=145

500

A math sentence that has an equal sign and has to stay balanced on both sides.

What is an equation