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

Probability worksheet

Advanced · 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

Proper chances to seventy-five · advanced
Name Date

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

  1. 1. A bag holds 49 counters and 39 of them are red. What is the chance of drawing a red one?
  2. 2. A bag holds 52 counters and 2 of them are red. What is the chance of drawing a red one?
  3. 3. A bag holds 39 counters and 15 of them are red. What is the chance of drawing a red one?
  4. 4. A bag holds 58 counters and 46 of them are red. What is the chance of drawing a red one?
  5. 5. A bag holds 32 counters and 28 of them are red. What is the chance of drawing a red one?
  6. 6. A bag holds 33 counters and 17 of them are red. What is the chance of drawing a red one?
  7. 7. A bag holds 71 counters and 42 of them are red. What is the chance of drawing a red one?
  8. 8. A bag holds 69 counters and 19 of them are red. What is the chance of drawing a red one?
  9. 9. A bag holds 59 counters and 26 of them are red. What is the chance of drawing a red one?
  10. 10. A bag holds 55 counters and 4 of them are red. What is the chance of drawing a red one?
  11. 11. A bag holds 34 counters and 6 of them are red. What is the chance of drawing a red one?
  12. 12. A bag holds 61 counters and 16 of them are red. What is the chance of drawing a red one?
  13. 13. A bag holds 39 counters and 12 of them are red. What is the chance of drawing a red one?
  14. 14. A bag holds 62 counters and 50 of them are red. What is the chance of drawing a red one?
  15. 15. A bag holds 49 counters and 18 of them are red. What is the chance of drawing a red one?
  16. 16. A bag holds 43 counters and 32 of them are red. What is the chance of drawing a red one?
  17. 17. A bag holds 58 counters and 35 of them are red. What is the chance of drawing a red one?
  18. 18. A bag holds 70 counters and 7 of them are red. What is the chance of drawing a red one?
  19. 19. A bag holds 54 counters and 6 of them are red. What is the chance of drawing a red one?
  20. 20. A bag holds 36 counters and 6 of them are red. What is the chance of drawing a red one?
  21. 21. A bag holds 73 counters and 67 of them are red. What is the chance of drawing a red one?
  22. 22. A bag holds 62 counters and 30 of them are red. What is the chance of drawing a red one?
  23. 23. A bag holds 32 counters and 1 of them is red. What is the chance of drawing a red one?
  24. 24. A bag holds 54 counters and 9 of them are red. What is the chance of drawing a red one?
mathgamescentral.com — free to print, free to copy, no login.

Probability practice

Proper chances to seventy-five · advanced
Name Date
Answer key
  1. 1. A bag holds 49 counters and 39 of them are red. What is the chance of drawing a red one? 39/49
  2. 2. A bag holds 52 counters and 2 of them are red. What is the chance of drawing a red one? 1/26
  3. 3. A bag holds 39 counters and 15 of them are red. What is the chance of drawing a red one? 5/13
  4. 4. A bag holds 58 counters and 46 of them are red. What is the chance of drawing a red one? 23/29
  5. 5. A bag holds 32 counters and 28 of them are red. What is the chance of drawing a red one? 7/8
  6. 6. A bag holds 33 counters and 17 of them are red. What is the chance of drawing a red one? 17/33
  7. 7. A bag holds 71 counters and 42 of them are red. What is the chance of drawing a red one? 42/71
  8. 8. A bag holds 69 counters and 19 of them are red. What is the chance of drawing a red one? 19/69
  9. 9. A bag holds 59 counters and 26 of them are red. What is the chance of drawing a red one? 26/59
  10. 10. A bag holds 55 counters and 4 of them are red. What is the chance of drawing a red one? 4/55
  11. 11. A bag holds 34 counters and 6 of them are red. What is the chance of drawing a red one? 3/17
  12. 12. A bag holds 61 counters and 16 of them are red. What is the chance of drawing a red one? 16/61
  13. 13. A bag holds 39 counters and 12 of them are red. What is the chance of drawing a red one? 4/13
  14. 14. A bag holds 62 counters and 50 of them are red. What is the chance of drawing a red one? 25/31
  15. 15. A bag holds 49 counters and 18 of them are red. What is the chance of drawing a red one? 18/49
  16. 16. A bag holds 43 counters and 32 of them are red. What is the chance of drawing a red one? 32/43
  17. 17. A bag holds 58 counters and 35 of them are red. What is the chance of drawing a red one? 35/58
  18. 18. A bag holds 70 counters and 7 of them are red. What is the chance of drawing a red one? 1/10
  19. 19. A bag holds 54 counters and 6 of them are red. What is the chance of drawing a red one? 1/9
  20. 20. A bag holds 36 counters and 6 of them are red. What is the chance of drawing a red one? 1/6
  21. 21. A bag holds 73 counters and 67 of them are red. What is the chance of drawing a red one? 67/73
  22. 22. A bag holds 62 counters and 30 of them are red. What is the chance of drawing a red one? 15/31
  23. 23. A bag holds 32 counters and 1 of them is red. What is the chance of drawing a red one? 1/32
  24. 24. A bag holds 54 counters and 9 of them are red. What is the chance of drawing a red one? 1/6
mathgamescentral.com — free to print, free to copy, no login.

Standards this covers

  • 7.SP.C.5
  • 7.SP.C.7

More probability