← Doubles and halves game lesson New set →

Doubles and Halves Trick Worksheet

Maths tricks trick 5: Doubles and halves game · Set 333 · 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 184 =
  2. 2.Double 26 =
  3. 3.Half of 138 =
  4. 4.Half of 132 =
  5. 5.Half of 18 =
  6. 6.Double 85 =
  7. 7.Double 51 =
  8. 8.Half of 62 =
  9. 9.Double 52 =
  10. 10.Double 46 =
  11. 11.Double 42 =
  12. 12.Double 89 =
  13. 13.Double 58 =
  14. 14.Double 34 =
  15. 15.Double 84 =
  16. 16.Half of 82 =
  17. 17.Double 91 =
  18. 18.Half of 178 =
  19. 19.Half of 72 =
  20. 20.Half of 58 =
  21. 21.Double 79 =
  22. 22.Half of 42 =
  23. 23.Half of 24 =
  24. 24.Half of 112 =
  25. 25.Double 96 =
  26. 26.Half of 154 =
  27. 27.Half of 118 =
  28. 28.Half of 78 =
  29. 29.Double 97 =
  30. 30.Half of 166 =
  31. 31.Half of 152 =
  32. 32.Double 74 =
  33. 33.Double 59 =
  34. 34.Half of 176 =
  35. 35.Half of 66 =
  36. 36.Half of 44 =
  37. 37.Half of 126 =
  38. 38.Half of 28 =
  39. 39.Double 14 =
  40. 40.Double 62 =

Answer key

  1. 92
  2. 52
  3. 69
  4. 66
  5. 9
  6. 170
  7. 102
  8. 31
  9. 104
  10. 92
  11. 84
  12. 178
  13. 116
  14. 68
  15. 168
  16. 41
  17. 182
  18. 89
  19. 36
  20. 29
  21. 158
  22. 21
  23. 12
  24. 56
  25. 192
  26. 77
  27. 59
  28. 39
  29. 194
  30. 83
  31. 76
  32. 148
  33. 118
  34. 88
  35. 33
  36. 22
  37. 63
  38. 14
  39. 28
  40. 124

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