← Doubles and halves game lesson New set →

Doubles and Halves Trick Worksheet

Maths tricks trick 5: Doubles and halves game · Set 501 · 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 92 =
  2. 2.Half of 158 =
  3. 3.Double 32 =
  4. 4.Double 12 =
  5. 5.Half of 98 =
  6. 6.Half of 184 =
  7. 7.Double 37 =
  8. 8.Double 69 =
  9. 9.Half of 196 =
  10. 10.Double 91 =
  11. 11.Double 13 =
  12. 12.Double 71 =
  13. 13.Double 21 =
  14. 14.Half of 102 =
  15. 15.Double 86 =
  16. 16.Double 25 =
  17. 17.Half of 142 =
  18. 18.Double 23 =
  19. 19.Half of 178 =
  20. 20.Half of 48 =
  21. 21.Double 29 =
  22. 22.Half of 152 =
  23. 23.Half of 46 =
  24. 24.Double 84 =
  25. 25.Half of 198 =
  26. 26.Double 35 =
  27. 27.Half of 136 =
  28. 28.Double 81 =
  29. 29.Double 28 =
  30. 30.Double 79 =
  31. 31.Half of 194 =
  32. 32.Half of 22 =
  33. 33.Half of 32 =
  34. 34.Half of 52 =
  35. 35.Half of 96 =
  36. 36.Half of 64 =
  37. 37.Double 26 =
  38. 38.Half of 82 =
  39. 39.Half of 92 =
  40. 40.Half of 114 =

Answer key

  1. 184
  2. 79
  3. 64
  4. 24
  5. 49
  6. 92
  7. 74
  8. 138
  9. 98
  10. 182
  11. 26
  12. 142
  13. 42
  14. 51
  15. 172
  16. 50
  17. 71
  18. 46
  19. 89
  20. 24
  21. 58
  22. 76
  23. 23
  24. 168
  25. 99
  26. 70
  27. 68
  28. 162
  29. 56
  30. 158
  31. 97
  32. 11
  33. 16
  34. 26
  35. 48
  36. 32
  37. 52
  38. 41
  39. 46
  40. 57

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