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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 465 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.27 × 4 =
  2. 2.14 × 4 =
  3. 3.32 × 4 =
  4. 4.60 × 4 =
  5. 5.19 × 4 =
  6. 6.47 × 4 =
  7. 7.40 × 4 =
  8. 8.28 × 4 =
  9. 9.13 × 4 =
  10. 10.22 × 4 =
  11. 11.42 × 4 =
  12. 12.17 × 4 =
  13. 13.35 × 4 =
  14. 14.8 × 4 =
  15. 15.18 × 4 =
  16. 16.11 × 4 =
  17. 17.15 × 4 =
  18. 18.10 × 4 =
  19. 19.21 × 4 =
  20. 20.30 × 4 =
  21. 21.48 × 4 =
  22. 22.50 × 4 =
  23. 23.6 × 4 =
  24. 24.20 × 4 =
  25. 25.58 × 4 =
  26. 26.59 × 4 =
  27. 27.51 × 4 =
  28. 28.41 × 4 =
  29. 29.45 × 4 =
  30. 30.33 × 4 =
  31. 31.31 × 4 =
  32. 32.39 × 4 =
  33. 33.9 × 4 =
  34. 34.24 × 4 =
  35. 35.53 × 4 =
  36. 36.46 × 4 =
  37. 37.34 × 4 =
  38. 38.26 × 4 =
  39. 39.36 × 4 =
  40. 40.7 × 4 =

Answer key

  1. 108
  2. 56
  3. 128
  4. 240
  5. 76
  6. 188
  7. 160
  8. 112
  9. 52
  10. 88
  11. 168
  12. 68
  13. 140
  14. 32
  15. 72
  16. 44
  17. 60
  18. 40
  19. 84
  20. 120
  21. 192
  22. 200
  23. 24
  24. 80
  25. 232
  26. 236
  27. 204
  28. 164
  29. 180
  30. 132
  31. 124
  32. 156
  33. 36
  34. 96
  35. 212
  36. 184
  37. 136
  38. 104
  39. 144
  40. 28

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