← Doubles and halves game lesson New set →

Doubles and Halves Trick Worksheet

Maths tricks trick 5: Doubles and halves game · Set 192 · 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.Double 88 =
  2. 2.Half of 168 =
  3. 3.Half of 156 =
  4. 4.Double 55 =
  5. 5.Half of 56 =
  6. 6.Double 16 =
  7. 7.Double 64 =
  8. 8.Half of 98 =
  9. 9.Double 11 =
  10. 10.Half of 124 =
  11. 11.Half of 184 =
  12. 12.Double 76 =
  13. 13.Double 31 =
  14. 14.Double 93 =
  15. 15.Half of 162 =
  16. 16.Half of 54 =
  17. 17.Half of 172 =
  18. 18.Double 58 =
  19. 19.Double 63 =
  20. 20.Half of 114 =
  21. 21.Double 48 =
  22. 22.Half of 196 =
  23. 23.Double 49 =
  24. 24.Double 96 =
  25. 25.Half of 122 =
  26. 26.Double 66 =
  27. 27.Half of 42 =
  28. 28.Half of 176 =
  29. 29.Double 98 =
  30. 30.Double 79 =
  31. 31.Half of 22 =
  32. 32.Double 84 =
  33. 33.Double 41 =
  34. 34.Half of 92 =
  35. 35.Half of 28 =
  36. 36.Half of 38 =
  37. 37.Double 61 =
  38. 38.Half of 48 =
  39. 39.Double 51 =
  40. 40.Half of 146 =

Answer key

  1. 176
  2. 84
  3. 78
  4. 110
  5. 28
  6. 32
  7. 128
  8. 49
  9. 22
  10. 62
  11. 92
  12. 152
  13. 62
  14. 186
  15. 81
  16. 27
  17. 86
  18. 116
  19. 126
  20. 57
  21. 96
  22. 98
  23. 98
  24. 192
  25. 61
  26. 132
  27. 21
  28. 88
  29. 196
  30. 158
  31. 11
  32. 168
  33. 82
  34. 46
  35. 14
  36. 19
  37. 122
  38. 24
  39. 102
  40. 73

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