All About Decimals!

Adding and Subtracting

100

What is 3.25 + 8.77?

12.02

200

What is 8.05-0.14?

7.91

300

What is 3 + 47.407?

50.407

400

What is 218.355 - 0.37?

217.985

500

What is 47 - 39.52?

7.48

Powers of 10

100

What is 1000 as a power of ten?

10³

200

What is 0.03 x 10⁴

300

300

What is 876,000 divided by 10,000?

87.6

400

What is 10.9 divided by 1000?

0.0109

500

What is 0.0489 x 10⁶?

48,900

Comparing

100

Which is greater? 28.3 or 28.37

28.37

200

Which of the following numbers is greater than 8.6?

A. 8.62

B. 8.60

C. 8.542

D. 8.452

A. 8.62

300

What symbol should go in the blank? 

6.25 ____6.2423

>

400

Fill in the blank with the correct symbol.

6.2____ 6.208

<

500

The weights for different types of trout are listed below. Which type of trout is smallest?

Rainbow trout- 47.56

Speckled trout- 48.65

Lemon trout- 48.742

Alaskan trout- 48.253

White trout- 46.562

white trout

Forms

100

What is 34.5 in word form?

thirty-four and five tenths 

200

What is 388.76 in expanded form?

(3x100)+(8x10)+(8x1)+(7x0.1)+(6x0.01)

300

What is 8.019 in expanded form?

(8 x 1) + (1 x 0.01) + (9 x 0.001)

400

What is seven hundred eleven and nineteen thousandths in standard form?

711.019

500

What is the sum of 12.6 and 96.45 in expanded form?

109.05

(1 x 100)+(9 x 1)+(5 x 0.01)

Rounding

100

Round 3.23 to the nearest tenth 

3.2

200

Which number rounds to 6.87 when rounded to the nearest hundredth?

A. 6.864

B. 6.879

C. 6.871

C. 6.871

300

Which of the following numbers rounds to 8 when rounded to the nearest whole number?

A. 8.62

B. 8.720

C. 8.542

D. 8.452

D. 8.452

400

Cha'Kerra took her dog to the vet. At the vet, her dog weighed 18.92 pounds. What was her dog's weight rounded to the nearest whole?

19 pounds

500

Round 0.6751 to the nearest whole number.

1