← Doubles and halves game lesson New set →

Doubles and Halves Trick Worksheet

Maths tricks trick 5: Doubles and halves game · Set 357 · 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 176 =
  2. 2.Half of 162 =
  3. 3.Double 66 =
  4. 4.Half of 126 =
  5. 5.Half of 56 =
  6. 6.Double 92 =
  7. 7.Half of 142 =
  8. 8.Half of 28 =
  9. 9.Double 82 =
  10. 10.Double 23 =
  11. 11.Half of 18 =
  12. 12.Double 67 =
  13. 13.Double 11 =
  14. 14.Half of 118 =
  15. 15.Half of 104 =
  16. 16.Double 85 =
  17. 17.Double 53 =
  18. 18.Double 91 =
  19. 19.Half of 74 =
  20. 20.Double 41 =
  21. 21.Half of 84 =
  22. 22.Double 12 =
  23. 23.Half of 168 =
  24. 24.Double 98 =
  25. 25.Double 84 =
  26. 26.Half of 58 =
  27. 27.Double 71 =
  28. 28.Double 86 =
  29. 29.Half of 128 =
  30. 30.Half of 116 =
  31. 31.Double 61 =
  32. 32.Double 69 =
  33. 33.Half of 134 =
  34. 34.Half of 192 =
  35. 35.Half of 144 =
  36. 36.Half of 148 =
  37. 37.Half of 112 =
  38. 38.Half of 34 =
  39. 39.Double 93 =
  40. 40.Double 76 =

Answer key

  1. 88
  2. 81
  3. 132
  4. 63
  5. 28
  6. 184
  7. 71
  8. 14
  9. 164
  10. 46
  11. 9
  12. 134
  13. 22
  14. 59
  15. 52
  16. 170
  17. 106
  18. 182
  19. 37
  20. 82
  21. 42
  22. 24
  23. 84
  24. 196
  25. 168
  26. 29
  27. 142
  28. 172
  29. 64
  30. 58
  31. 122
  32. 138
  33. 67
  34. 96
  35. 72
  36. 74
  37. 56
  38. 17
  39. 186
  40. 152

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