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Doubles and Halves Trick Worksheet

Maths tricks trick 5: Doubles and halves game · Set 253 · 40 questions
TalentJR

The trick (Split and double): Split the number into tens and ones: 37 = 30 + 7. Double each part (30 → 60, 7 → 14) — or halve each part. Add the two answers: 60 + 14 = 74.

NameDateTime takenScore ___ / 40
  1. 1.Double 56 =
  2. 2.Half of 32 =
  3. 3.Half of 52 =
  4. 4.Half of 114 =
  5. 5.Half of 54 =
  6. 6.Half of 148 =
  7. 7.Half of 74 =
  8. 8.Double 14 =
  9. 9.Double 22 =
  10. 10.Half of 172 =
  11. 11.Double 26 =
  12. 12.Half of 108 =
  13. 13.Half of 44 =
  14. 14.Double 44 =
  15. 15.Half of 184 =
  16. 16.Half of 82 =
  17. 17.Double 29 =
  18. 18.Double 86 =
  19. 19.Half of 84 =
  20. 20.Half of 98 =
  21. 21.Double 23 =
  22. 22.Double 37 =
  23. 23.Half of 12 =
  24. 24.Half of 188 =
  25. 25.Double 46 =
  26. 26.Double 16 =
  27. 27.Double 85 =
  28. 28.Half of 168 =
  29. 29.Double 62 =
  30. 30.Double 31 =
  31. 31.Double 28 =
  32. 32.Half of 118 =
  33. 33.Double 91 =
  34. 34.Half of 42 =
  35. 35.Double 32 =
  36. 36.Double 34 =
  37. 37.Half of 22 =
  38. 38.Double 77 =
  39. 39.Double 96 =
  40. 40.Half of 154 =

Answer key

  1. 112
  2. 16
  3. 26
  4. 57
  5. 27
  6. 74
  7. 37
  8. 28
  9. 44
  10. 86
  11. 52
  12. 54
  13. 22
  14. 88
  15. 92
  16. 41
  17. 58
  18. 172
  19. 42
  20. 49
  21. 46
  22. 74
  23. 6
  24. 94
  25. 92
  26. 32
  27. 170
  28. 84
  29. 124
  30. 62
  31. 56
  32. 59
  33. 182
  34. 21
  35. 64
  36. 68
  37. 11
  38. 154
  39. 192
  40. 77

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