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Doubles and Halves Trick Worksheet

Maths tricks trick 5: Doubles and halves game · Set 867 · 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 54 =
  2. 2.Half of 52 =
  3. 3.Double 66 =
  4. 4.Half of 82 =
  5. 5.Half of 112 =
  6. 6.Half of 182 =
  7. 7.Half of 92 =
  8. 8.Half of 106 =
  9. 9.Half of 184 =
  10. 10.Double 53 =
  11. 11.Half of 142 =
  12. 12.Double 49 =
  13. 13.Half of 94 =
  14. 14.Half of 166 =
  15. 15.Half of 162 =
  16. 16.Double 28 =
  17. 17.Double 23 =
  18. 18.Half of 132 =
  19. 19.Half of 42 =
  20. 20.Half of 192 =
  21. 21.Double 51 =
  22. 22.Double 18 =
  23. 23.Double 36 =
  24. 24.Double 43 =
  25. 25.Half of 194 =
  26. 26.Double 56 =
  27. 27.Double 19 =
  28. 28.Half of 56 =
  29. 29.Double 16 =
  30. 30.Double 47 =
  31. 31.Half of 176 =
  32. 32.Half of 58 =
  33. 33.Double 82 =
  34. 34.Double 45 =
  35. 35.Half of 22 =
  36. 36.Half of 152 =
  37. 37.Half of 108 =
  38. 38.Double 13 =
  39. 39.Half of 172 =
  40. 40.Double 84 =

Answer key

  1. 27
  2. 26
  3. 132
  4. 41
  5. 56
  6. 91
  7. 46
  8. 53
  9. 92
  10. 106
  11. 71
  12. 98
  13. 47
  14. 83
  15. 81
  16. 56
  17. 46
  18. 66
  19. 21
  20. 96
  21. 102
  22. 36
  23. 72
  24. 86
  25. 97
  26. 112
  27. 38
  28. 28
  29. 32
  30. 94
  31. 88
  32. 29
  33. 164
  34. 90
  35. 11
  36. 76
  37. 54
  38. 26
  39. 86
  40. 168

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