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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 101 · 40 questions
TalentJR

The trick (Double double): Double the number. Double the answer again. That is the number × 4.

NameDateTime takenScore ___ / 40
  1. 1.31 × 4 =
  2. 2.17 × 4 =
  3. 3.27 × 4 =
  4. 4.59 × 4 =
  5. 5.46 × 4 =
  6. 6.36 × 4 =
  7. 7.15 × 4 =
  8. 8.9 × 4 =
  9. 9.58 × 4 =
  10. 10.57 × 4 =
  11. 11.51 × 4 =
  12. 12.43 × 4 =
  13. 13.6 × 4 =
  14. 14.29 × 4 =
  15. 15.18 × 4 =
  16. 16.34 × 4 =
  17. 17.53 × 4 =
  18. 18.25 × 4 =
  19. 19.16 × 4 =
  20. 20.52 × 4 =
  21. 21.45 × 4 =
  22. 22.30 × 4 =
  23. 23.47 × 4 =
  24. 24.21 × 4 =
  25. 25.8 × 4 =
  26. 26.7 × 4 =
  27. 27.35 × 4 =
  28. 28.26 × 4 =
  29. 29.14 × 4 =
  30. 30.32 × 4 =
  31. 31.28 × 4 =
  32. 32.37 × 4 =
  33. 33.23 × 4 =
  34. 34.40 × 4 =
  35. 35.11 × 4 =
  36. 36.12 × 4 =
  37. 37.19 × 4 =
  38. 38.24 × 4 =
  39. 39.28 × 4 =
  40. 40.39 × 4 =

Answer key

  1. 124
  2. 68
  3. 108
  4. 236
  5. 184
  6. 144
  7. 60
  8. 36
  9. 232
  10. 228
  11. 204
  12. 172
  13. 24
  14. 116
  15. 72
  16. 136
  17. 212
  18. 100
  19. 64
  20. 208
  21. 180
  22. 120
  23. 188
  24. 84
  25. 32
  26. 28
  27. 140
  28. 104
  29. 56
  30. 128
  31. 112
  32. 148
  33. 92
  34. 160
  35. 44
  36. 48
  37. 76
  38. 96
  39. 112
  40. 156

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