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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 234 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.28 × 4 =
  2. 2.8 × 4 =
  3. 3.31 × 4 =
  4. 4.27 × 4 =
  5. 5.58 × 4 =
  6. 6.11 × 4 =
  7. 7.54 × 4 =
  8. 8.20 × 4 =
  9. 9.15 × 4 =
  10. 10.39 × 4 =
  11. 11.30 × 4 =
  12. 12.12 × 4 =
  13. 13.40 × 4 =
  14. 14.45 × 4 =
  15. 15.25 × 4 =
  16. 16.10 × 4 =
  17. 17.7 × 4 =
  18. 18.43 × 4 =
  19. 19.9 × 4 =
  20. 20.17 × 4 =
  21. 21.51 × 4 =
  22. 22.18 × 4 =
  23. 23.50 × 4 =
  24. 24.55 × 4 =
  25. 25.26 × 4 =
  26. 26.56 × 4 =
  27. 27.34 × 4 =
  28. 28.42 × 4 =
  29. 29.32 × 4 =
  30. 30.14 × 4 =
  31. 31.36 × 4 =
  32. 32.13 × 4 =
  33. 33.19 × 4 =
  34. 34.44 × 4 =
  35. 35.29 × 4 =
  36. 36.46 × 4 =
  37. 37.24 × 4 =
  38. 38.21 × 4 =
  39. 39.23 × 4 =
  40. 40.59 × 4 =

Answer key

  1. 112
  2. 32
  3. 124
  4. 108
  5. 232
  6. 44
  7. 216
  8. 80
  9. 60
  10. 156
  11. 120
  12. 48
  13. 160
  14. 180
  15. 100
  16. 40
  17. 28
  18. 172
  19. 36
  20. 68
  21. 204
  22. 72
  23. 200
  24. 220
  25. 104
  26. 224
  27. 136
  28. 168
  29. 128
  30. 56
  31. 144
  32. 52
  33. 76
  34. 176
  35. 116
  36. 184
  37. 96
  38. 84
  39. 92
  40. 236

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