← Doubles and halves game lesson New set →

Doubles and Halves Trick Worksheet

Maths tricks trick 5: Doubles and halves game · Set 995 · 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 36 =
  2. 2.Half of 32 =
  3. 3.Double 37 =
  4. 4.Half of 64 =
  5. 5.Double 96 =
  6. 6.Half of 174 =
  7. 7.Half of 12 =
  8. 8.Double 47 =
  9. 9.Double 66 =
  10. 10.Half of 46 =
  11. 11.Double 74 =
  12. 12.Double 91 =
  13. 13.Double 52 =
  14. 14.Half of 78 =
  15. 15.Half of 158 =
  16. 16.Double 35 =
  17. 17.Double 21 =
  18. 18.Half of 96 =
  19. 19.Half of 86 =
  20. 20.Half of 56 =
  21. 21.Double 16 =
  22. 22.Double 71 =
  23. 23.Double 62 =
  24. 24.Double 58 =
  25. 25.Half of 142 =
  26. 26.Half of 198 =
  27. 27.Double 41 =
  28. 28.Double 79 =
  29. 29.Half of 98 =
  30. 30.Double 94 =
  31. 31.Double 49 =
  32. 32.Double 26 =
  33. 33.Half of 116 =
  34. 34.Double 34 =
  35. 35.Half of 136 =
  36. 36.Half of 184 =
  37. 37.Double 14 =
  38. 38.Double 99 =
  39. 39.Half of 114 =
  40. 40.Double 56 =

Answer key

  1. 18
  2. 16
  3. 74
  4. 32
  5. 192
  6. 87
  7. 6
  8. 94
  9. 132
  10. 23
  11. 148
  12. 182
  13. 104
  14. 39
  15. 79
  16. 70
  17. 42
  18. 48
  19. 43
  20. 28
  21. 32
  22. 142
  23. 124
  24. 116
  25. 71
  26. 99
  27. 82
  28. 158
  29. 49
  30. 188
  31. 98
  32. 52
  33. 58
  34. 68
  35. 68
  36. 92
  37. 28
  38. 198
  39. 57
  40. 112

Free maths tricks lessons, practice and worksheets at talentjr.in/maths-tricks