← Doubles and halves game lesson New set →

Doubles and Halves Trick Worksheet

Maths tricks trick 5: Doubles and halves game · Set 932 · 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 22 =
  2. 2.Double 11 =
  3. 3.Half of 112 =
  4. 4.Half of 98 =
  5. 5.Double 96 =
  6. 6.Double 63 =
  7. 7.Half of 56 =
  8. 8.Double 44 =
  9. 9.Half of 26 =
  10. 10.Half of 134 =
  11. 11.Half of 102 =
  12. 12.Double 58 =
  13. 13.Half of 14 =
  14. 14.Half of 174 =
  15. 15.Half of 136 =
  16. 16.Half of 192 =
  17. 17.Half of 52 =
  18. 18.Half of 168 =
  19. 19.Double 78 =
  20. 20.Double 87 =
  21. 21.Double 49 =
  22. 22.Half of 156 =
  23. 23.Half of 176 =
  24. 24.Half of 92 =
  25. 25.Half of 84 =
  26. 26.Double 74 =
  27. 27.Double 41 =
  28. 28.Double 71 =
  29. 29.Half of 122 =
  30. 30.Half of 62 =
  31. 31.Double 61 =
  32. 32.Double 47 =
  33. 33.Double 27 =
  34. 34.Double 54 =
  35. 35.Double 95 =
  36. 36.Half of 178 =
  37. 37.Double 46 =
  38. 38.Double 64 =
  39. 39.Double 17 =
  40. 40.Double 82 =

Answer key

  1. 11
  2. 22
  3. 56
  4. 49
  5. 192
  6. 126
  7. 28
  8. 88
  9. 13
  10. 67
  11. 51
  12. 116
  13. 7
  14. 87
  15. 68
  16. 96
  17. 26
  18. 84
  19. 156
  20. 174
  21. 98
  22. 78
  23. 88
  24. 46
  25. 42
  26. 148
  27. 82
  28. 142
  29. 61
  30. 31
  31. 122
  32. 94
  33. 54
  34. 108
  35. 190
  36. 89
  37. 92
  38. 128
  39. 34
  40. 164

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