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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 548 · 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. 2.31 × 4 =
  3. 3.28 × 4 =
  4. 4.14 × 4 =
  5. 5.51 × 4 =
  6. 6.26 × 4 =
  7. 7.6 × 4 =
  8. 8.40 × 4 =
  9. 9.16 × 4 =
  10. 10.12 × 4 =
  11. 11.59 × 4 =
  12. 12.52 × 4 =
  13. 13.25 × 4 =
  14. 14.41 × 4 =
  15. 15.55 × 4 =
  16. 16.13 × 4 =
  17. 17.21 × 4 =
  18. 18.11 × 4 =
  19. 19.42 × 4 =
  20. 20.19 × 4 =
  21. 21.37 × 4 =
  22. 22.50 × 4 =
  23. 23.34 × 4 =
  24. 24.35 × 4 =
  25. 25.54 × 4 =
  26. 26.7 × 4 =
  27. 27.15 × 4 =
  28. 28.27 × 4 =
  29. 29.38 × 4 =
  30. 30.10 × 4 =
  31. 31.39 × 4 =
  32. 32.18 × 4 =
  33. 33.9 × 4 =
  34. 34.44 × 4 =
  35. 35.8 × 4 =
  36. 36.22 × 4 =
  37. 37.32 × 4 =
  38. 38.45 × 4 =
  39. 39.60 × 4 =
  40. 40.58 × 4 =

Answer key

  1. 212
  2. 124
  3. 112
  4. 56
  5. 204
  6. 104
  7. 24
  8. 160
  9. 64
  10. 48
  11. 236
  12. 208
  13. 100
  14. 164
  15. 220
  16. 52
  17. 84
  18. 44
  19. 168
  20. 76
  21. 148
  22. 200
  23. 136
  24. 140
  25. 216
  26. 28
  27. 60
  28. 108
  29. 152
  30. 40
  31. 156
  32. 72
  33. 36
  34. 176
  35. 32
  36. 88
  37. 128
  38. 180
  39. 240
  40. 232

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