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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 517 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.58 × 4 =
  2. 2.45 × 4 =
  3. 3.37 × 4 =
  4. 4.56 × 4 =
  5. 5.47 × 4 =
  6. 6.41 × 4 =
  7. 7.27 × 4 =
  8. 8.13 × 4 =
  9. 9.31 × 4 =
  10. 10.11 × 4 =
  11. 11.35 × 4 =
  12. 12.17 × 4 =
  13. 13.14 × 4 =
  14. 14.22 × 4 =
  15. 15.46 × 4 =
  16. 16.38 × 4 =
  17. 17.6 × 4 =
  18. 18.29 × 4 =
  19. 19.40 × 4 =
  20. 20.32 × 4 =
  21. 21.42 × 4 =
  22. 22.54 × 4 =
  23. 23.15 × 4 =
  24. 24.55 × 4 =
  25. 25.10 × 4 =
  26. 26.60 × 4 =
  27. 27.39 × 4 =
  28. 28.50 × 4 =
  29. 29.28 × 4 =
  30. 30.34 × 4 =
  31. 31.18 × 4 =
  32. 32.30 × 4 =
  33. 33.36 × 4 =
  34. 34.59 × 4 =
  35. 35.21 × 4 =
  36. 36.51 × 4 =
  37. 37.52 × 4 =
  38. 38.53 × 4 =
  39. 39.19 × 4 =
  40. 40.16 × 4 =

Answer key

  1. 232
  2. 180
  3. 148
  4. 224
  5. 188
  6. 164
  7. 108
  8. 52
  9. 124
  10. 44
  11. 140
  12. 68
  13. 56
  14. 88
  15. 184
  16. 152
  17. 24
  18. 116
  19. 160
  20. 128
  21. 168
  22. 216
  23. 60
  24. 220
  25. 40
  26. 240
  27. 156
  28. 200
  29. 112
  30. 136
  31. 72
  32. 120
  33. 144
  34. 236
  35. 84
  36. 204
  37. 208
  38. 212
  39. 76
  40. 64

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