Identifying Decimals
Rounding Decimals
Adding Decimals
Subtracting Decimals
Powers of 10
100

Which is the standard form for two and twelve thousandths?

2.012

100

Which symbol makes this inequality true?

38.21 ____ 38.023

>

100

Find the sum:

28.65 + 14.93

43.58

100

Find the difference:

8.6 - 3.71 = ____

4.89

100

7.69 x 10² = ___

769

200

Which has a value 10 times greater than 0.008?

0.08

200

It takes 686.98 days for Mars to revolve around the sun. To the nearest WHOLE number, how many days does it take for Mars to revolve around the sun?

687 days

200

Find the sum:

5.82 + 9.7

15.52

200

Find the difference:

62.16 - 43.7 = ____

18.46

200

2.5 x 10³ = ___

2,500

300

If the mass of Earth is equal to 1, the mass of Mercury is 0.055. Which is the number name for Mercury's mass?

fifty-five thousandths

300

What is 8.14 rounded to the nearest tenth?

8.1

300

Jacob bought a movie ticket for $7.50, popcorn for $3.95, and a drink for $2.25. How much money did Jacob spend in all?

$13.70

300

The distance from Walker's home to the beach is 92.6 miles. After one hour, Zeke has driven 57.8 miles. HOW MANY MORE miles does Zeke need to drive to reach the beach?

34.8 miles

300

47  ÷ 10 = ___

4.7

400

The land speed record for one mile is seven hundred sixty-three and thirty-five thousandths miles per hour. Which shows the decimal in expanded form?

700 + 60 + 3 + 0.03 + 0.005

400

Levi's bedroom is 3.37 meters. What is the width of Levi's bedroom to the nearest TENTH of a meter?

3.4 meters

400

Malaysia drove 9.8 miles to visit a friend and then drove 2.5 miles to visit her grandmother. How many miles did Malaysia drive in total?

12.3 miles

400

Amon worked 37.25 hours this week. He worked 29.5 hours last week. HOW MANY MORE hours did Amon work this week than last week?

7.75 hours

400

2.34  ÷ 10² = ___

0.0234

500

What is the expanded form with multiplication for 836.205?

8 x 100 + 3 x 10 + 6 x 1 + 2 X 1/10 + 5 x 1/1000

500

What is 6.493 rounded to the nearest hundredth?

6.49

500

Last year, John was 56.5 inches tall. Since then he has grown 3.75 inches. How tall is John now?

60.25 inches

500

Erin has $28.92. She bought a sweater for $16.75. How much change did she receive?

$12.17

500

47.62 x 10⁴ = ___

476,200