Math topics

Percentages

Percent means “per 100.” 50% is 50/100 = 1/2. To find a percent of a number, convert the percent to a decimal or fraction, then multiply. Tutorai gives hints without requiring an account.

Practice in Tutorai (topic ready) Share page

Worked example

Problem. What is 50% of 50?

1. 50% = 50/100 = 0.5.
2. Multiply: 50 × 0.5 = 25.
3. Check: half of 50 is 25.

Answer. 25

Practice set

1. Practice 1. What is 10% of 80?

   Show answer

   8

2. Practice 2. What is 25% of 40?

   Show answer

   10

3. Practice 3. What is 100% of 17?

   Show answer

   17

Related pages

• Decimals practice
• Ratios practice
• Math for grades 6–8

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