← Doubles and halves game lesson New set →

Doubles and Halves Trick Worksheet

Maths tricks trick 5: Doubles and halves game · Set 238 · 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 16 =
  2. 2.Half of 94 =
  3. 3.Half of 22 =
  4. 4.Half of 32 =
  5. 5.Double 38 =
  6. 6.Half of 158 =
  7. 7.Double 62 =
  8. 8.Double 77 =
  9. 9.Double 46 =
  10. 10.Half of 196 =
  11. 11.Half of 166 =
  12. 12.Half of 182 =
  13. 13.Half of 184 =
  14. 14.Half of 98 =
  15. 15.Double 41 =
  16. 16.Half of 86 =
  17. 17.Half of 66 =
  18. 18.Half of 82 =
  19. 19.Half of 152 =
  20. 20.Half of 56 =
  21. 21.Double 66 =
  22. 22.Double 91 =
  23. 23.Double 12 =
  24. 24.Double 11 =
  25. 25.Half of 68 =
  26. 26.Double 27 =
  27. 27.Double 57 =
  28. 28.Double 99 =
  29. 29.Half of 42 =
  30. 30.Half of 52 =
  31. 31.Half of 112 =
  32. 32.Half of 62 =
  33. 33.Half of 142 =
  34. 34.Double 92 =
  35. 35.Double 14 =
  36. 36.Half of 38 =
  37. 37.Half of 156 =
  38. 38.Double 75 =
  39. 39.Half of 134 =
  40. 40.Double 56 =

Answer key

  1. 8
  2. 47
  3. 11
  4. 16
  5. 76
  6. 79
  7. 124
  8. 154
  9. 92
  10. 98
  11. 83
  12. 91
  13. 92
  14. 49
  15. 82
  16. 43
  17. 33
  18. 41
  19. 76
  20. 28
  21. 132
  22. 182
  23. 24
  24. 22
  25. 34
  26. 54
  27. 114
  28. 198
  29. 21
  30. 26
  31. 56
  32. 31
  33. 71
  34. 184
  35. 28
  36. 19
  37. 78
  38. 150
  39. 67
  40. 112

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