Multiply or Divide by 10
Multiply or Divide by 100
Multiply or Divide by 1000
Knowing Words
Fraction Decimals
100

6000 / 10

600

100

16 X 200

3, 200

100

30 X 2000

60,000

100

What is the opposite of addition?

Subtraction

100

What is 2/100 as a decimal

0.02

200

830 / 10

83

200

6,400 / 100

64

200

25 X 2000

50, 000

200

What is the opposite of multiplication?

Division

200

What is 6/20 as a decimal?

O.03

300

800 X 20

16 000

300

42,000 / 600

70

300

20 000 / 2000

10

300

Which two operations result in a number getting bigger?

Addition and multiplication

300

What is 3/4 as a decimal?

0.75

400

809 X 10

8,090

400

150 X 200

30,000

400

810,000 / 1000

810

400

Which two operations results in a number getting smaller?

Subtraction and division

400

What is 34/50 as a decimal?

0.68

500

9000 / 30

300

500

84,000 / 100

840

500

12, 000 / 2000

6

500

What is 5/10 as a decimal

0.5

500

What is 13/20 as a decimal?

0.65

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