← Doubles and halves game lesson New set →

Doubles and Halves Trick Worksheet

Maths tricks trick 5: Doubles and halves game · Set 112 · 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 96 =
  2. 2.Double 96 =
  3. 3.Half of 162 =
  4. 4.Half of 22 =
  5. 5.Double 95 =
  6. 6.Double 97 =
  7. 7.Half of 44 =
  8. 8.Half of 56 =
  9. 9.Double 54 =
  10. 10.Half of 186 =
  11. 11.Double 67 =
  12. 12.Half of 192 =
  13. 13.Half of 38 =
  14. 14.Half of 128 =
  15. 15.Half of 142 =
  16. 16.Half of 148 =
  17. 17.Double 19 =
  18. 18.Half of 78 =
  19. 19.Double 16 =
  20. 20.Half of 154 =
  21. 21.Double 41 =
  22. 22.Half of 166 =
  23. 23.Half of 66 =
  24. 24.Double 65 =
  25. 25.Half of 112 =
  26. 26.Double 33 =
  27. 27.Double 88 =
  28. 28.Double 42 =
  29. 29.Double 56 =
  30. 30.Double 82 =
  31. 31.Half of 12 =
  32. 32.Half of 146 =
  33. 33.Double 58 =
  34. 34.Half of 24 =
  35. 35.Double 73 =
  36. 36.Double 51 =
  37. 37.Double 61 =
  38. 38.Double 68 =
  39. 39.Double 12 =
  40. 40.Half of 132 =

Answer key

  1. 48
  2. 192
  3. 81
  4. 11
  5. 190
  6. 194
  7. 22
  8. 28
  9. 108
  10. 93
  11. 134
  12. 96
  13. 19
  14. 64
  15. 71
  16. 74
  17. 38
  18. 39
  19. 32
  20. 77
  21. 82
  22. 83
  23. 33
  24. 130
  25. 56
  26. 66
  27. 176
  28. 84
  29. 112
  30. 164
  31. 6
  32. 73
  33. 116
  34. 12
  35. 146
  36. 102
  37. 122
  38. 136
  39. 24
  40. 66

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