Powers of 10
Rounding
Adding Fractions
& Decimals
Subtracting Fractions
& Decimals
Mystery!
100

50 x 100

What is 5,000?

100

3,782 rounded to the nearest thousand

What is 4,000?

100

16.23 + 13.51

What is 29.74?

100

156.95 - 43.21

What is 113.74?
100

0.001 + 16

What is 16.001?

200

142 x 0.1

What is 14.2?

200

59.25 rounded to the nearest tenth

What is 59.3?

200

2/9 + 3/9

What is 5/9?

200

7/8 - 3/8

What is 4/8?

200

902 rounded to the nearest ten

What is 900?

300

35 x 103

What is 35,000?

300

52,035 rounded to the nearest hundred

What is 52,000?

300

1/62/3

What is 5/6?

Also 15/18?

300

12/16 - 4/8

What is 4/16?

300

10 x 10 x 10 x 10 x 10 written in exponent form

What is 105?

400

400 ÷ 102

What is 4?

400

0.1428 rounded to the nearest thousandth

What is 0.143?

400

82.87 + 19.097

What is 101.967?

400

100.45 - 86.917

What is 13.533?

400

45/10 + 51/2

What is 10?

Also 910/10

500

28 ÷ 1,000

What is 0.028?

500

9,876 rounded to the nearest thousand

What is 10,000?

500

2 4/7 + 1/2

What is 215/14?

Also 31/14

500

23/4 - 7/8

What is 17/8?

500

1006/8 - 802/4

What is 202/8?

Also 208/32

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