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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 274 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.29 × 4 =
  2. 2.13 × 4 =
  3. 3.22 × 4 =
  4. 4.39 × 4 =
  5. 5.57 × 4 =
  6. 6.27 × 4 =
  7. 7.8 × 4 =
  8. 8.48 × 4 =
  9. 9.11 × 4 =
  10. 10.20 × 4 =
  11. 11.52 × 4 =
  12. 12.33 × 4 =
  13. 13.40 × 4 =
  14. 14.6 × 4 =
  15. 15.25 × 4 =
  16. 16.51 × 4 =
  17. 17.49 × 4 =
  18. 18.38 × 4 =
  19. 19.47 × 4 =
  20. 20.17 × 4 =
  21. 21.21 × 4 =
  22. 22.14 × 4 =
  23. 23.28 × 4 =
  24. 24.46 × 4 =
  25. 25.58 × 4 =
  26. 26.53 × 4 =
  27. 27.19 × 4 =
  28. 28.42 × 4 =
  29. 29.36 × 4 =
  30. 30.16 × 4 =
  31. 31.12 × 4 =
  32. 32.24 × 4 =
  33. 33.43 × 4 =
  34. 34.45 × 4 =
  35. 35.9 × 4 =
  36. 36.15 × 4 =
  37. 37.10 × 4 =
  38. 38.32 × 4 =
  39. 39.31 × 4 =
  40. 40.56 × 4 =

Answer key

  1. 116
  2. 52
  3. 88
  4. 156
  5. 228
  6. 108
  7. 32
  8. 192
  9. 44
  10. 80
  11. 208
  12. 132
  13. 160
  14. 24
  15. 100
  16. 204
  17. 196
  18. 152
  19. 188
  20. 68
  21. 84
  22. 56
  23. 112
  24. 184
  25. 232
  26. 212
  27. 76
  28. 168
  29. 144
  30. 64
  31. 48
  32. 96
  33. 172
  34. 180
  35. 36
  36. 60
  37. 40
  38. 128
  39. 124
  40. 224

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