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Doubles and Halves Trick Worksheet

Maths tricks trick 5: Doubles and halves game · Set 74 · 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.Half of 92 =
  2. 2.Half of 52 =
  3. 3.Half of 182 =
  4. 4.Half of 22 =
  5. 5.Double 54 =
  6. 6.Half of 126 =
  7. 7.Half of 68 =
  8. 8.Half of 44 =
  9. 9.Half of 144 =
  10. 10.Double 53 =
  11. 11.Double 16 =
  12. 12.Double 48 =
  13. 13.Double 55 =
  14. 14.Half of 76 =
  15. 15.Double 71 =
  16. 16.Double 61 =
  17. 17.Double 41 =
  18. 18.Half of 66 =
  19. 19.Double 18 =
  20. 20.Double 86 =
  21. 21.Half of 32 =
  22. 22.Double 62 =
  23. 23.Half of 158 =
  24. 24.Double 76 =
  25. 25.Double 95 =
  26. 26.Half of 142 =
  27. 27.Double 51 =
  28. 28.Half of 46 =
  29. 29.Double 49 =
  30. 30.Half of 48 =
  31. 31.Double 26 =
  32. 32.Half of 102 =
  33. 33.Double 36 =
  34. 34.Half of 56 =
  35. 35.Double 34 =
  36. 36.Double 13 =
  37. 37.Half of 184 =
  38. 38.Double 98 =
  39. 39.Double 91 =
  40. 40.Double 89 =

Answer key

  1. 46
  2. 26
  3. 91
  4. 11
  5. 108
  6. 63
  7. 34
  8. 22
  9. 72
  10. 106
  11. 32
  12. 96
  13. 110
  14. 38
  15. 142
  16. 122
  17. 82
  18. 33
  19. 36
  20. 172
  21. 16
  22. 124
  23. 79
  24. 152
  25. 190
  26. 71
  27. 102
  28. 23
  29. 98
  30. 24
  31. 52
  32. 51
  33. 72
  34. 28
  35. 68
  36. 26
  37. 92
  38. 196
  39. 182
  40. 178

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