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Divisibility Rules of 4 and 8 Worksheet

Maths tricks trick 21: Divisible by 4 or 8? · Set 666 · 40 questions
TalentJR

The trick (Odd or even): For 4: even tens digit → the ones digit must be 0, 4 or 8. Odd tens digit → the ones digit must be 2 or 6. For 8: even hundreds digit → the last two digits must be in the 8 table. Odd hundreds digit → the last two digits plus 4 must be in the 8 table (5136: 36 + 4 = 40 ✓).

NameDateTime takenScore ___ / 40
  1. 1.Is 2720 divisible by 8? (a) Yes (b) No
  2. 2.Is 3680 divisible by 4? (a) No (b) Yes
  3. 3.Is 7020 divisible by 8? (a) Yes (b) No
  4. 4.Is 9398 divisible by 4? (a) Yes (b) No
  5. 5.Is 4302 divisible by 4? (a) No (b) Yes
  6. 6.Is 9008 divisible by 8? (a) No (b) Yes
  7. 7.Is 4674 divisible by 4? (a) Yes (b) No
  8. 8.Is 4898 divisible by 4? (a) Yes (b) No
  9. 9.Is 3904 divisible by 8? (a) Yes (b) No
  10. 10.Is 4246 divisible by 4? (a) No (b) Yes
  11. 11.Is 666 divisible by 4? (a) No (b) Yes
  12. 12.Is 3392 divisible by 4? (a) No (b) Yes
  13. 13.Is 1678 divisible by 4? (a) Yes (b) No
  14. 14.Is 1912 divisible by 4? (a) Yes (b) No
  15. 15.Is 6316 divisible by 4? (a) No (b) Yes
  16. 16.Is 1752 divisible by 8? (a) No (b) Yes
  17. 17.Is 6322 divisible by 4? (a) No (b) Yes
  18. 18.Is 3340 divisible by 8? (a) No (b) Yes
  19. 19.Is 9148 divisible by 8? (a) Yes (b) No
  20. 20.Is 1692 divisible by 8? (a) No (b) Yes
  21. 21.Is 8150 divisible by 4? (a) Yes (b) No
  22. 22.Is 5744 divisible by 8? (a) No (b) Yes
  23. 23.Is 2248 divisible by 8? (a) No (b) Yes
  24. 24.Is 4264 divisible by 8? (a) Yes (b) No
  25. 25.Is 5148 divisible by 4? (a) No (b) Yes
  26. 26.Is 5988 divisible by 4? (a) Yes (b) No
  27. 27.Is 6900 divisible by 8? (a) Yes (b) No
  28. 28.Is 2360 divisible by 8? (a) No (b) Yes
  29. 29.Is 4740 divisible by 8? (a) Yes (b) No
  30. 30.Is 4944 divisible by 4? (a) No (b) Yes
  31. 31.Is 2538 divisible by 4? (a) No (b) Yes
  32. 32.Is 6520 divisible by 8? (a) No (b) Yes
  33. 33.Is 2600 divisible by 4? (a) No (b) Yes
  34. 34.Is 9502 divisible by 4? (a) Yes (b) No
  35. 35.Is 7448 divisible by 4? (a) No (b) Yes
  36. 36.Is 4252 divisible by 4? (a) No (b) Yes
  37. 37.Is 8096 divisible by 4? (a) No (b) Yes
  38. 38.Is 5628 divisible by 8? (a) No (b) Yes
  39. 39.Is 2868 divisible by 4? (a) No (b) Yes
  40. 40.Is 4432 divisible by 8? (a) Yes (b) No

Answer key

  1. Yes
  2. Yes
  3. No
  4. No
  5. No
  6. Yes
  7. No
  8. No
  9. Yes
  10. No
  11. No
  12. Yes
  13. No
  14. Yes
  15. Yes
  16. Yes
  17. No
  18. No
  19. No
  20. No
  21. No
  22. Yes
  23. Yes
  24. Yes
  25. Yes
  26. Yes
  27. No
  28. Yes
  29. No
  30. Yes
  31. No
  32. Yes
  33. Yes
  34. No
  35. Yes
  36. Yes
  37. Yes
  38. No
  39. Yes
  40. Yes

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