5th Grade Decimals and Place Value

Place Value and Rounding

100

What is the place value of the 4

3.498

tenths

200

What is the value of the 9?

80.896

9 hundredths

300

Round to the nearest thousandth

3.8057

3.806

400

Round to the nearest ones place

34.22

34

500

Round to the nearest tenth. What is the place value of the five after rounding?

908.45

908.5

tenths

Expanded, Standard, and Word Form

100

Write in standard form:

four hundred sixty and 17 thousandths

460.017

200

Write in expanded form:

5,679.45

5000 + 600 + 70 + 9 + .4 + .05

300

Write in standard form:

three thousand eight hundred fifty and five tenths.

3,850.5

400

Write in expanded form:

308.043

300 + 8 + .04 + .003

500

5,000 + 80 + 3 + .05 + .008 

write in word form

five thousand and eighty three and fifty eight thousandths

Adding and Subtracting Decimals

100

78.91 + 36.9

115.81

200

78.91 - 36.9

42.01

300

4567.9 + 23.995

4,591.895

400

855.2 - 9.687

845.513

500

4.36 + 803.9 - 266.74

541.52

Multiplying and Dividing Decimals

100

5.46 x .78

4.2588

200

6.2 x 9.105

56.451

300

66.9 divided by 7.5

8.92

400

56.14 divided by 7

8.02

500

5.65 x 3.45 divided by 2.5

7.797

Trivia

100

How many continents are there?

7

200

What's the main character in a story called?

Protagonist

300

Who's credited with inventing the light bulb?

Thomas Edison

400

What are the first 10 Amendments of the Constituation called?

The Bill of Rights

500

How old is the Earth approximately?

4.5 billion years