Inverse operation
What is the inverse of Division?
Multiplication
80-50=
30
1x1=
1
5,10,15,20 what am I skip counting by?
10's
144/12=
12
What is the inverse of subtraction?
Addition
90-50=
40
1x0=
0
50+50=
100
81/9=
9
What is the inverse of Multiplication?
Division
10-10=
0
50x10=
500
60+20=
80
1/1=
1
What is the inverse of addition?
Subtraction
600-300=
300
12x12=
144
80+80
160
18/2=
9
8x9=72 what is the inverse of this problem?
72/9=8
100-200=
invalid answer
9x9=
81
If there are 60 minutes in 1 hour then how many minutes are there in 2 hours?
120
120/60=
60