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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 368 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.53 × 4 =
  2. 2.32 × 4 =
  3. 3.54 × 4 =
  4. 4.36 × 4 =
  5. 5.24 × 4 =
  6. 6.8 × 4 =
  7. 7.59 × 4 =
  8. 8.14 × 4 =
  9. 9.51 × 4 =
  10. 10.38 × 4 =
  11. 11.58 × 4 =
  12. 12.45 × 4 =
  13. 13.17 × 4 =
  14. 14.31 × 4 =
  15. 15.15 × 4 =
  16. 16.11 × 4 =
  17. 17.21 × 4 =
  18. 18.48 × 4 =
  19. 19.19 × 4 =
  20. 20.25 × 4 =
  21. 21.12 × 4 =
  22. 22.20 × 4 =
  23. 23.56 × 4 =
  24. 24.13 × 4 =
  25. 25.52 × 4 =
  26. 26.9 × 4 =
  27. 27.33 × 4 =
  28. 28.16 × 4 =
  29. 29.49 × 4 =
  30. 30.23 × 4 =
  31. 31.10 × 4 =
  32. 32.50 × 4 =
  33. 33.6 × 4 =
  34. 34.55 × 4 =
  35. 35.46 × 4 =
  36. 36.60 × 4 =
  37. 37.27 × 4 =
  38. 38.57 × 4 =
  39. 39.35 × 4 =
  40. 40.39 × 4 =

Answer key

  1. 212
  2. 128
  3. 216
  4. 144
  5. 96
  6. 32
  7. 236
  8. 56
  9. 204
  10. 152
  11. 232
  12. 180
  13. 68
  14. 124
  15. 60
  16. 44
  17. 84
  18. 192
  19. 76
  20. 100
  21. 48
  22. 80
  23. 224
  24. 52
  25. 208
  26. 36
  27. 132
  28. 64
  29. 196
  30. 92
  31. 40
  32. 200
  33. 24
  34. 220
  35. 184
  36. 240
  37. 108
  38. 228
  39. 140
  40. 156

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