Multiply or Divide by 10
6000 / 30
200
56 X 200
11, 200
30 X 2000
60,000
What is the opposite of addition?
Subtraction
830 / 10
83
6,400 / 800
8
25 X 4000
100, 000
What is the opposite of multiplication?
Division
800 X 70
56, 000
42,000 / 600
70
45,000 / 9000
5
Which two operations result in a number getting bigger?
Addition and multiplication
809 X 10
8,090
150 X 500
75,000
810,000 / 9000
90
Which two operations results in a number getting smaller?
Subtraction and division
9000 / 30
300
84,000 / 700
120
64, 000 / 4000
16