Adding with Decimals
Subtracting with Decimals
Adding with Decimals (Word Problems)
Subtracting with Decimals (Word Problems)
Challenge Problems
100

15.75 + 12.23 = 

27.98

100

12.65 - 4.32 = 

8.33

100

Mia bought a pencil for $1.25 and an eraser for $0.50. How much did she spend altogether?

$1.75

100

A bottle contained 5.75 liters of juice. Students drank 2.25 liters. How many liters of juice were left?

3.50 liters

100

24.75 + _____ = 50.00

What number belongs in the blank?

25.25

200

9.86 + 2.07 = 

11.93

200

19.51 - 11.48 = 

8.03

200

Lucas biked 4.35 miles on Saturday and 2.48 miles on Sunday. How many miles did he bike in all?

6.83 miles

200

Jayden had $30.00 to spend at the book fair. He bought a book for $17.68. How much money did he have left?

$12.32

200

65.80 - 18.45 - 7.96 =  

39.39

300

25.46 + 15.44 = 

40.90 or 40.9

300

51.62 - 15.44 = 

36.18

300

The class sold $18.76 worth of cookies in the morning and $24.89 worth in the afternoon. How much money did the class earn altogether?

$43.65

300

A roll contained 42.50 meters of ribbon. A teacher used 18.76 meters for a project. How many meters of ribbon remained?

23.74 meters

300

Olivia had $80.99. She bought a game for $26.75 and a book for $14.89. Then her grandmother gave her $10.50. How much money does Olivia have now?

$49.85

400

19.92 + 7.50 = 

27.42

400

36.99 - 25.58 = 

11.41

400

A scientist poured 16.78 mL of liquid into a beaker and then added 8.97 mL more. How much liquid was in the beaker altogether?

25.75 mL

400

An aquarium had 60.05 liters of water. Workers removed 27.89 liters. How many liters of water remained?

32.16 liters

400

Marcus solved this problem:

42.60 - 17.85 = 35.25

Is Marcus correct? If not, find the correct answer and explain his mistake.

No. The correct answer is 24.75.

500

36.55 + 24.12 = 

60.67

500

73.21 - 45.65 = 

27.56

500

Three friends hiked 18.67 miles, 24.89 miles, and 17.48 miles over a weekend. How many miles did they hike altogether?

61.04 miles

500

The fifth-grade class raised $80.99. They spent $36.78 on supplies and another $18.96 on decorations. How much money remained?

$25.25

500

I am thinking of a number. When you add 18.75 to me and then subtract 9.68, the answer is 40.25. What is my number?

31.18