Skip to content
Math Games Central — horizontal lockupMath Games Central Print something

Probability worksheet

Intermediate · 24 problems with a full answer key. Free to print, free to copy, and nothing to sign up for.

Practise it online instead

The answer key prints as the second page. Everything is generated in your browser, so the topic page explains the method and this page just gives you the practice.

Probability practice

Up to thirty · intermediate
Name Date

Show your working. The answer key is on the next page.

  1. 1. A bag holds 19 counters and 15 of them are red. What is the chance of drawing a red one?
  2. 2. A bag holds 14 counters and 13 of them are red. What is the chance of drawing a red one?
  3. 3. A bag holds 29 counters and 15 of them are red. What is the chance of drawing a red one?
  4. 4. A bag holds 21 counters and 13 of them are red. What is the chance of drawing a red one?
  5. 5. A bag holds 17 counters and 4 of them are red. What is the chance of drawing a red one?
  6. 6. A bag holds 20 counters and 15 of them are red. What is the chance of drawing a red one?
  7. 7. A bag holds 12 counters and 9 of them are red. What is the chance of drawing a red one?
  8. 8. A bag holds 16 counters and 3 of them are red. What is the chance of drawing a red one?
  9. 9. A bag holds 16 counters and 12 of them are red. What is the chance of drawing a red one?
  10. 10. A bag holds 16 counters and 15 of them are red. What is the chance of drawing a red one?
  11. 11. A bag holds 15 counters and 12 of them are red. What is the chance of drawing a red one?
  12. 12. A bag holds 16 counters and 9 of them are red. What is the chance of drawing a red one?
  13. 13. A bag holds 22 counters and 7 of them are red. What is the chance of drawing a red one?
  14. 14. A bag holds 28 counters and 5 of them are red. What is the chance of drawing a red one?
  15. 15. A bag holds 27 counters and 14 of them are red. What is the chance of drawing a red one?
  16. 16. A bag holds 26 counters and 24 of them are red. What is the chance of drawing a red one?
  17. 17. A bag holds 30 counters and 26 of them are red. What is the chance of drawing a red one?
  18. 18. A bag holds 27 counters and 1 of them is red. What is the chance of drawing a red one?
  19. 19. A bag holds 22 counters and 9 of them are red. What is the chance of drawing a red one?
  20. 20. A bag holds 24 counters and 10 of them are red. What is the chance of drawing a red one?
  21. 21. A bag holds 19 counters and 13 of them are red. What is the chance of drawing a red one?
  22. 22. A bag holds 22 counters and 6 of them are red. What is the chance of drawing a red one?
  23. 23. A bag holds 19 counters and 1 of them is red. What is the chance of drawing a red one?
  24. 24. A bag holds 15 counters and 1 of them is red. What is the chance of drawing a red one?
mathgamescentral.com — free to print, free to copy, no login.

Probability practice

Up to thirty · intermediate
Name Date
Answer key
  1. 1. A bag holds 19 counters and 15 of them are red. What is the chance of drawing a red one? 15/19
  2. 2. A bag holds 14 counters and 13 of them are red. What is the chance of drawing a red one? 13/14
  3. 3. A bag holds 29 counters and 15 of them are red. What is the chance of drawing a red one? 15/29
  4. 4. A bag holds 21 counters and 13 of them are red. What is the chance of drawing a red one? 13/21
  5. 5. A bag holds 17 counters and 4 of them are red. What is the chance of drawing a red one? 4/17
  6. 6. A bag holds 20 counters and 15 of them are red. What is the chance of drawing a red one? 3/4
  7. 7. A bag holds 12 counters and 9 of them are red. What is the chance of drawing a red one? 3/4
  8. 8. A bag holds 16 counters and 3 of them are red. What is the chance of drawing a red one? 3/16
  9. 9. A bag holds 16 counters and 12 of them are red. What is the chance of drawing a red one? 3/4
  10. 10. A bag holds 16 counters and 15 of them are red. What is the chance of drawing a red one? 15/16
  11. 11. A bag holds 15 counters and 12 of them are red. What is the chance of drawing a red one? 4/5
  12. 12. A bag holds 16 counters and 9 of them are red. What is the chance of drawing a red one? 9/16
  13. 13. A bag holds 22 counters and 7 of them are red. What is the chance of drawing a red one? 7/22
  14. 14. A bag holds 28 counters and 5 of them are red. What is the chance of drawing a red one? 5/28
  15. 15. A bag holds 27 counters and 14 of them are red. What is the chance of drawing a red one? 14/27
  16. 16. A bag holds 26 counters and 24 of them are red. What is the chance of drawing a red one? 12/13
  17. 17. A bag holds 30 counters and 26 of them are red. What is the chance of drawing a red one? 13/15
  18. 18. A bag holds 27 counters and 1 of them is red. What is the chance of drawing a red one? 1/27
  19. 19. A bag holds 22 counters and 9 of them are red. What is the chance of drawing a red one? 9/22
  20. 20. A bag holds 24 counters and 10 of them are red. What is the chance of drawing a red one? 5/12
  21. 21. A bag holds 19 counters and 13 of them are red. What is the chance of drawing a red one? 13/19
  22. 22. A bag holds 22 counters and 6 of them are red. What is the chance of drawing a red one? 3/11
  23. 23. A bag holds 19 counters and 1 of them is red. What is the chance of drawing a red one? 1/19
  24. 24. A bag holds 15 counters and 1 of them is red. What is the chance of drawing a red one? 1/15
mathgamescentral.com — free to print, free to copy, no login.

Standards this covers

  • 7.SP.C.5
  • 7.SP.C.7

More probability