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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 59 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.47 × 4 =
  2. 2.15 × 4 =
  3. 3.17 × 4 =
  4. 4.41 × 4 =
  5. 5.36 × 4 =
  6. 6.42 × 4 =
  7. 7.14 × 4 =
  8. 8.19 × 4 =
  9. 9.29 × 4 =
  10. 10.21 × 4 =
  11. 11.10 × 4 =
  12. 12.54 × 4 =
  13. 13.37 × 4 =
  14. 14.39 × 4 =
  15. 15.20 × 4 =
  16. 16.16 × 4 =
  17. 17.25 × 4 =
  18. 18.49 × 4 =
  19. 19.13 × 4 =
  20. 20.9 × 4 =
  21. 21.31 × 4 =
  22. 22.27 × 4 =
  23. 23.11 × 4 =
  24. 24.48 × 4 =
  25. 25.46 × 4 =
  26. 26.38 × 4 =
  27. 27.24 × 4 =
  28. 28.28 × 4 =
  29. 29.52 × 4 =
  30. 30.50 × 4 =
  31. 31.43 × 4 =
  32. 32.22 × 4 =
  33. 33.53 × 4 =
  34. 34.56 × 4 =
  35. 35.18 × 4 =
  36. 36.32 × 4 =
  37. 37.7 × 4 =
  38. 38.12 × 4 =
  39. 39.50 × 4 =
  40. 40.23 × 4 =

Answer key

  1. 188
  2. 60
  3. 68
  4. 164
  5. 144
  6. 168
  7. 56
  8. 76
  9. 116
  10. 84
  11. 40
  12. 216
  13. 148
  14. 156
  15. 80
  16. 64
  17. 100
  18. 196
  19. 52
  20. 36
  21. 124
  22. 108
  23. 44
  24. 192
  25. 184
  26. 152
  27. 96
  28. 112
  29. 208
  30. 200
  31. 172
  32. 88
  33. 212
  34. 224
  35. 72
  36. 128
  37. 28
  38. 48
  39. 200
  40. 92

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