Adding Decimals
Subtracting Decimals
Dividing Decimals
Multiplying Decimals
Powers of 10
100

8.6 + 7

15.6

100

8.9 - 5

3.9

100

5.6 ÷ 8

0.7

100

What is the value of the expression? 

2.58 x 4

10.32

100

4.6 ÷ 100

0.046

200

45.7 + 1.4 =

47.1

200

12.6 - 7.8

4.8

200

10.35 ÷ 45

0.23

200

What is the value of the expression? 

23.5 x 6

141

200

103 x 2.4

2,400

300

Find the sum of 802.67 and 34.9.

837.57

300

What is the difference between 85.3 and 2.96?

82.34

300

Find the quotient of 7.8 and 6.

1.3

300

What is the product of 0.78 and 0.9? 

0.702

300

What value of n makes the equation true?

n x 102 = 2,340

23.4

400

Find the sum of 756.9 and 2.843. 

759.743

400

What is the difference between 1 and 0.593?

0.407

400

Find the quotient of 0.3 and 6.

0.05

400

What is the product of 12.56 and 1.83?

22.9848

400

Make the equation true. 

87.5 × 100 = 875 × _____

10

500

A box of crayons has a length of 4.2 inches and a width of 3.4 inches. What is the perimeter of the box of crayons?

4.2 + 4.2 + 3.4 + 3.4= 15.2 inches

500

The Christmas tree was selling trees that were 10.8 feet tall. One of the trees was 1.03 feet shorter than the rest. What is the height of the shorter tree?

9.77 feet tall

500

Sarah was painting the trim in the rooms of her apartment. She had a 1.1 gallons of paint she needed to share evenly between 2 rooms. How many gallons of paint will she use in each room? 

1.1 ÷ 2= 0.55 gallons

500

A pool has a width of 16.9 feet and a width of 32.3 feet. What is the area of the pool?

545.87 square feet

500

6.78 ÷ 0.1

67.8

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