Decimal word problems for 5th grade

These decimal word problems are great for ages 10 and older who are looking to improve their decimal skills.

Asha started with 1.74 cups and ended with half a cup of sugar after baking. How much sugar did she use in the baking process?

1.24 cups of sugar

• Explanation

Half a cup can be written as 0.50 in decimal form.
1.74 - 0.50 = 1.24

Convert ⅜ to a decimal

0.375

• Explanation

When converting to decimals, try to convert the denominator to either 10, 100 or 1000. Try:
8 x 125 = 1000.
Then 3 x 125 = 375
The fraction is now easier to convert being 375/1000 = 0.375

Order these decimals from smallest to largest: 0.2, 0.28, 0.19, 0.09, 0.35

0.09, 0.19, 0.2, 0.28, 0.35

• Explanation

0.09 is the smallest
0.19 is bigger
0.2 is bigger
0.28 is bigger
0.35 is the biggest

Dilly wants to eat just about ten calories per brownie. Which of these brownies should he eat? Brownie A = 8.98 calories Brownie B = 9.89 calories Brownie C = 9.98 calories Brownie D = 10.03 calories Brownie E = 10.30 calories

Brownie C

• Explanation

9.98 is within 0.02 of 10 making it the closest of the options to 10.

What is 4/100 as a decimal?

0.04

• Explanation

When dividing by 100, you should move two decimal places to the right. Moving 4 two decimal places to the right equals 0.04. You can also think of 100 as 10 x 10. And:
4/10 = 0.4
0.4/10 = 0.04

Tabby wants to learn to rank the numbers 0.3, 0.03 and 0.33 from smallest to largest. Which of these sets are correctly ranked? Set 1: 0.03, 0.33, 0.3 Set 2: 0.03, 0.3, 0.33 Set 3: 0.33, 0.3, 0.03

Set 2

• Explanation

When converting to decimals, try to convert the denominator to either 10, 100 or 1000. Try:
75/15 = 5 and 5 x 20 = 100. Then 30/15 = 2 and 2 x 20 = 40
The fraction is now easier to convert being 40/100 = 0.4

What Is 30/75 as a decimal?

0.4

• Explanation

When converting to decimals, try to convert the denominator to either 10, 100 or 1000. Try:
75/15 = 5 and 5 x 20 = 100. Then
30/15 = 2 and 2 x 20 = 40
The fraction is now easier to convert being 40/100 = 0.4

Jenine buys a pack of oranges for \$3.05, a bunch of strawberries for \$1.49 and a case of apples for \$2.30. What does her total bill come to?

6.84

• Explanation

It helps to first add the numbers after the decimal point.
5 + 49 + 30 = 84
Then add the numbers in front of the decimal point.
3 + 1 + 2 = 6
Together they make 6.84