Free online math practice
Complements to 10 Practice
Find the missing part that makes 10.
Start practicingComplements to 10
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What you’ll practice
Ask how much is missing from a full group of ten. The two parts can trade places while keeping the same whole.
Where this helps
Making ten in mental calculations.
Before you start
Use this topic to practice math you have already learned. The examples show the available kinds of recall tasks; this is not a complete textbook chapter. Check the answer form and any stated conditions.
Try a few examples
Real practice. Real progress.
Example 1 of 4
Enter an exact number. Equivalent fractions, decimals, and percentages are accepted.
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Start practicingComplements to 10
- Free to practice.
- No account required.
- Progress stays on this device.