Inverse operations
Add or Subtract
Multiply or divide
One step operations
Substituting in for a variable
100

T or F: Adding is the opposite of division

False

100

Solve: x-9=5

x=14

100

4m=24

m=6

100

x + 4= 10

x=6

100

Solve: n+8.    When n=6

14

200

T or F: Subtracting is the opposite of adding 

True

200

Solve: y+4=12

y=8

200

x / 5=3

x=15

200

x-9=3

x=12

200

Solve: 3y when y= 4

12

300

 T or F: Multiplication is the opposite of adding 

False

300

H-3=8

H=11

300

6 Y= 36

y=6

300

5x=45

x=9

300
Solve 3b when b=5

15

400

T or F: Division is the opposite of multiplication

True

400

Z+12=18

z=6

400

G / 6=2

G=12

400

x-15=22

x=37

400

Solve: a+7 when a =12

19

500

x-4=12 what operation do i need to do to get rid of the 4

add

500

F+4=30

F=26

500

3y= 21

y=7

500

x divided by 2 =11

x=22

500
Solve m divided by 5 when m= 35

7