Powers of 10
Rounding Decimals
Addition and Subtraction w/ Decimals
Multiplication and Division w/ Decimals
Word Problems
100

What is 10^3?

1,000

100

What is 23.183 rounded to the nearest hundredth?

23.18

100

84.1 - 83.9 = ?

0.2

100

2.4 x 2 = ?

4.8

100

Artie had $250.50. He shared it among 5 people. How much does each person get?

$50.10
200

Solve 10^4 x 7

70,000

200

What is 3,719.381 rounded to the nearest tenth?

3,719.4
200

371.134 - 129 = ?

242.134

200
5.5 x 2.5 = ?

13.75

200

Sammie had 7 turtles. Each turtle needed 3.5 grams of turtle food each day. How many grams of turtle food would Sammie need to feed her turtles for 3 days?

73.5 grams

300

What is 700 / 10^5?

0.007

300

What is 999,999,899 rounded to the nearest hundred?

999,999,900

300

284.21 + 38.291 = ?

332.501

300

28.7 / 7 = ?

4.1

300

Charlie drinks 12.8 gallons of water every 40 days. How many gallons of water does he drink in 10 days? How about in 1 day?

3.2 gallons = 10 days

0.32 gallons = 1 day

400

7,200,000 / 10^5 = ?

72

400

What is 273,134.199 rounded to the nearest hundredth?

273.134.20

400

1,293.381 - 999.271 = ?

294.11 OR 294.110

400

450.99 / 9 = ?

50.11

500

27.1 x 10^5 = ?

2,710,000

500

Write 3 decimal numbers that when rounded to the nearest tenth result in 294.1

Answers will vary

500

21.31 + 282.1 + 13.183 = ?

316.593

500

9.332 / 4 = ?

2.333

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