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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 333 · 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. 2.49 × 4 =
  3. 3.28 × 4 =
  4. 4.23 × 4 =
  5. 5.46 × 4 =
  6. 6.7 × 4 =
  7. 7.52 × 4 =
  8. 8.22 × 4 =
  9. 9.13 × 4 =
  10. 10.60 × 4 =
  11. 11.17 × 4 =
  12. 12.31 × 4 =
  13. 13.36 × 4 =
  14. 14.10 × 4 =
  15. 15.25 × 4 =
  16. 16.38 × 4 =
  17. 17.29 × 4 =
  18. 18.12 × 4 =
  19. 19.56 × 4 =
  20. 20.16 × 4 =
  21. 21.6 × 4 =
  22. 22.48 × 4 =
  23. 23.39 × 4 =
  24. 24.37 × 4 =
  25. 25.33 × 4 =
  26. 26.19 × 4 =
  27. 27.47 × 4 =
  28. 28.15 × 4 =
  29. 29.32 × 4 =
  30. 30.51 × 4 =
  31. 31.18 × 4 =
  32. 32.9 × 4 =
  33. 33.41 × 4 =
  34. 34.24 × 4 =
  35. 35.50 × 4 =
  36. 36.14 × 4 =
  37. 37.27 × 4 =
  38. 38.35 × 4 =
  39. 39.11 × 4 =
  40. 40.55 × 4 =

Answer key

  1. 232
  2. 196
  3. 112
  4. 92
  5. 184
  6. 28
  7. 208
  8. 88
  9. 52
  10. 240
  11. 68
  12. 124
  13. 144
  14. 40
  15. 100
  16. 152
  17. 116
  18. 48
  19. 224
  20. 64
  21. 24
  22. 192
  23. 156
  24. 148
  25. 132
  26. 76
  27. 188
  28. 60
  29. 128
  30. 204
  31. 72
  32. 36
  33. 164
  34. 96
  35. 200
  36. 56
  37. 108
  38. 140
  39. 44
  40. 220

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