← Doubles and halves game lesson New set →

Doubles and Halves Trick Worksheet

Maths tricks trick 5: Doubles and halves game · Set 725 · 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 88 =
  2. 2.Half of 148 =
  3. 3.Half of 126 =
  4. 4.Half of 198 =
  5. 5.Half of 132 =
  6. 6.Double 46 =
  7. 7.Half of 12 =
  8. 8.Double 51 =
  9. 9.Half of 122 =
  10. 10.Double 78 =
  11. 11.Half of 182 =
  12. 12.Double 41 =
  13. 13.Half of 104 =
  14. 14.Double 69 =
  15. 15.Half of 192 =
  16. 16.Half of 108 =
  17. 17.Half of 32 =
  18. 18.Double 39 =
  19. 19.Half of 72 =
  20. 20.Double 27 =
  21. 21.Double 87 =
  22. 22.Double 45 =
  23. 23.Double 97 =
  24. 24.Half of 48 =
  25. 25.Double 36 =
  26. 26.Double 44 =
  27. 27.Double 21 =
  28. 28.Half of 56 =
  29. 29.Half of 94 =
  30. 30.Half of 154 =
  31. 31.Double 54 =
  32. 32.Half of 178 =
  33. 33.Half of 142 =
  34. 34.Half of 22 =
  35. 35.Double 12 =
  36. 36.Half of 44 =
  37. 37.Double 11 =
  38. 38.Half of 106 =
  39. 39.Double 55 =
  40. 40.Double 93 =

Answer key

  1. 44
  2. 74
  3. 63
  4. 99
  5. 66
  6. 92
  7. 6
  8. 102
  9. 61
  10. 156
  11. 91
  12. 82
  13. 52
  14. 138
  15. 96
  16. 54
  17. 16
  18. 78
  19. 36
  20. 54
  21. 174
  22. 90
  23. 194
  24. 24
  25. 72
  26. 88
  27. 42
  28. 28
  29. 47
  30. 77
  31. 108
  32. 89
  33. 71
  34. 11
  35. 24
  36. 22
  37. 22
  38. 53
  39. 110
  40. 186

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