Practice Decimal Operations in Math

Use these practice problems to test your method after reviewing the concept explanation and worked examples.

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Quick Recap

Decimal operations — addition, subtraction, multiplication, and division — follow the same rules as whole-number arithmetic but require careful attention to decimal point placement and alignment.

Decimal operations follow the same rules as whole numbers, but you must track the decimal point carefully—like keeping track of dollars and cents.

Showing a random 20 of 50 problems.

Example 1

challenge
A 2.5 kg bag of rice costs $4.50\$4.50. What is the price per kilogram?

Example 2

hard
Divide 0.84÷0.070.84\div 0.07.

Example 3

medium
Multiply 1.5×0.41.5\times 0.4.

Example 4

medium
Multiply 0.06×0.50.06\times 0.5.

Example 5

easy
What is 5.6÷105.6\div 10?

Example 6

hard
A water jug holds 4.54.5 L. How many 0.250.25 L glasses can it fill?

Example 7

medium
Divide 4.5÷0.54.5\div 0.5.

Example 8

easy
Add 12.74+5.6+0.0812.74 + 5.6 + 0.08.

Example 9

easy
Add 0.25+0.50.25+0.5.

Example 10

medium
A pen costs \$1.25. How much do 12 pens cost?

Example 11

easy
Subtract 8.3−4.758.3-4.75.

Example 12

medium
Divide 1.44÷1.21.44\div 1.2.

Example 13

medium
Divide 7.2÷67.2\div 6.

Example 14

medium
Divide 3.6÷0.93.6\div 0.9.

Example 15

hard
A car drives 0.60.6 km per minute. How far in 7.57.5 minutes?

Example 16

easy
Add 1.2+3.51.2+3.5.

Example 17

medium
Multiply 1.25×0.41.25\times 0.4 and explain the decimal placement.

Example 18

medium
Divide 4.5÷0.54.5\div 0.5.

Example 19

easy
Subtract 5.6−2.15.6-2.1.

Example 20

medium
Round 4.6734.673 to the nearest hundredth.
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