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Percent of a number worksheets

Find a percent of a number: 25% of 80, 10% of 240. Twenty problems in three versions with answer keys, with friendly percents and whole-number answers.

Percent: percent of a number (10%, 25%, 50%…)

NameDate

Find the percent of each number.

  1. 10% of 240 =
  2. 100% of 140 =
  3. 50% of 80 =
  4. 20% of 80 =
  5. 75% of 160 =
  6. 100% of 20 =
  7. 100% of 180 =
  8. 50% of 140 =
  9. 50% of 60 =
  10. 10% of 220 =
  11. 25% of 60 =
  12. 10% of 180 =
  13. 75% of 180 =
  14. 50% of 100 =
  15. 75% of 60 =
  16. 50% of 220 =
  17. 10% of 80 =
  18. 50% of 180 =
  19. 10% of 120 =
  20. 25% of 120 =
Sheet AFree at teach.peabody.kids

Percent: percent of a number (10%, 25%, 50%…)

NameDate

Find the percent of each number.

  1. 20% of 200 =
  2. 50% of 120 =
  3. 100% of 160 =
  4. 10% of 40 =
  5. 75% of 20 =
  6. 10% of 60 =
  7. 25% of 240 =
  8. 10% of 160 =
  9. 75% of 120 =
  10. 25% of 20 =
  11. 100% of 200 =
  12. 75% of 240 =
  13. 75% of 200 =
  14. 100% of 60 =
  15. 75% of 40 =
  16. 50% of 160 =
  17. 20% of 220 =
  18. 25% of 180 =
  19. 20% of 120 =
  20. 100% of 40 =
Sheet BFree at teach.peabody.kids

Percent: percent of a number (10%, 25%, 50%…)

NameDate

Find the percent of each number.

  1. 100% of 240 =
  2. 50% of 20 =
  3. 75% of 100 =
  4. 10% of 100 =
  5. 10% of 140 =
  6. 20% of 100 =
  7. 25% of 80 =
  8. 20% of 240 =
  9. 20% of 160 =
  10. 25% of 160 =
  11. 25% of 200 =
  12. 25% of 40 =
  13. 75% of 140 =
  14. 25% of 220 =
  15. 20% of 60 =
  16. 50% of 40 =
  17. 20% of 140 =
  18. 10% of 20 =
  19. 100% of 100 =
  20. 50% of 240 =
Sheet CFree at teach.peabody.kids

Answer key

Sheet A

  1. 24
  2. 140
  3. 40
  4. 16
  5. 120
  6. 20
  7. 180
  8. 70
  9. 30
  10. 22
  11. 15
  12. 18
  13. 135
  14. 50
  15. 45
  16. 110
  17. 8
  18. 90
  19. 12
  20. 30

Sheet B

  1. 40
  2. 60
  3. 160
  4. 4
  5. 15
  6. 6
  7. 60
  8. 16
  9. 90
  10. 5
  11. 200
  12. 180
  13. 150
  14. 60
  15. 30
  16. 80
  17. 44
  18. 45
  19. 24
  20. 40

Sheet C

  1. 240
  2. 10
  3. 75
  4. 10
  5. 14
  6. 20
  7. 20
  8. 48
  9. 32
  10. 40
  11. 50
  12. 10
  13. 105
  14. 55
  15. 12
  16. 20
  17. 28
  18. 2
  19. 100
  20. 120
Answer keyFree at teach.peabody.kids

Percent: 20 problems a sheet, 3 versions that do not repeat each other where the numbers allow.

How to use it

  1. Look at the sheet: it is a real, printable sheet. Switch between Sheet A, B and C, or press New numbers (N) for a fresh set.
  2. Change how many problems, how many versions, and whether the key prints. Settings stay in this browser; Share copies a link that rebuilds the same sheets.
  3. Press Print sheet A and key, or Print all. The answer key prints on its own page, so you can keep it back.

Ideas for class

  • Teach the benchmarks first: 50% is a half, 25% is a quarter, 10% is a tenth. Most other percents can be built from them.
  • Ask for the fraction beside each percent in the first few problems, so students see they are the same.
  • Have students estimate before they calculate, and say whether the answer is more or less than half the number.

Related

Questions

Why are the numbers always multiples of 20?

Because every percent on this sheet is a multiple of 5, and a multiple of 20 times a multiple of 5 divided by 100 is always a whole number. It keeps the sheet to mental math.

Where are harder percents?

In the maker: choose Percent and then Any percent of a number, What percent is it?, or Discounts, tips and price increases. Each has whole-number answers.

Are the answer keys checked?

Each answer is worked out by the code that wrote the problem, and our tests recompute every answer a second way and compare. Please still look over the key before you grade a class set.

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What this worksheet covers

Finding a percent of a number is the first step in percent problems. This sheet uses the percents that students meet most often, 10%, 20%, 25%, 50%, 75% and 100%, with numbers that are multiples of 20 up to 240, so every answer is a whole number. It is a sheet for building the benchmarks that let students find a percent mentally.

Who it is for

Sixth grade. Common Core 6.RP.A.3c asks students to find a percent of a quantity as a rate per 100. Students should know that a percent is a fraction with a denominator of 100 and be comfortable with 1/2, 1/4 and 1/10.

Finding 10%, 25%, 50% and similar percents of a number · grade 6

A worked example

25% of 80. 25% is one quarter, and a quarter of 80 is 20. For 10% of 240, move the decimal point one place to the left to get 24. For 75%, find 25% and multiply by 3: 60.

Mistakes to watch for

  • Treating the percent as the answer, writing 25 for 25% of 80. Ask whether the result should be smaller than 80, and by how much.
  • Multiplying by 25 and forgetting to divide by 100. A fraction benchmark is a way round the slip.

Make it your own

This sheet is one setting of the math worksheet generator. Open it there to change the skill, the range of numbers or the heading, or to mix several skills on one sheet.