Free online math practice
Mental percent of a quantity Practice
Finding common percentages of a number mentally.
Start practicingMental percent of a quantity
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What you’ll practice
Find ten percent by dividing by ten, or one percent by dividing by one hundred. Combine known parts when a percentage has a familiar decomposition.
Where this helps
Discounts, tips, comparisons, and estimation.
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.
Grades and courses that include this topic
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Further reading
Start practicingMental percent of a quantity
- Free to practice.
- No account required.
- Progress stays on this device.