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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 403 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.32 × 4 =
  2. 2.27 × 4 =
  3. 3.20 × 4 =
  4. 4.39 × 4 =
  5. 5.42 × 4 =
  6. 6.37 × 4 =
  7. 7.57 × 4 =
  8. 8.44 × 4 =
  9. 9.8 × 4 =
  10. 10.55 × 4 =
  11. 11.50 × 4 =
  12. 12.17 × 4 =
  13. 13.12 × 4 =
  14. 14.10 × 4 =
  15. 15.28 × 4 =
  16. 16.29 × 4 =
  17. 17.47 × 4 =
  18. 18.24 × 4 =
  19. 19.25 × 4 =
  20. 20.33 × 4 =
  21. 21.49 × 4 =
  22. 22.11 × 4 =
  23. 23.18 × 4 =
  24. 24.45 × 4 =
  25. 25.40 × 4 =
  26. 26.13 × 4 =
  27. 27.21 × 4 =
  28. 28.15 × 4 =
  29. 29.34 × 4 =
  30. 30.53 × 4 =
  31. 31.14 × 4 =
  32. 32.30 × 4 =
  33. 33.22 × 4 =
  34. 34.38 × 4 =
  35. 35.35 × 4 =
  36. 36.52 × 4 =
  37. 37.16 × 4 =
  38. 38.7 × 4 =
  39. 39.45 × 4 =
  40. 40.6 × 4 =

Answer key

  1. 128
  2. 108
  3. 80
  4. 156
  5. 168
  6. 148
  7. 228
  8. 176
  9. 32
  10. 220
  11. 200
  12. 68
  13. 48
  14. 40
  15. 112
  16. 116
  17. 188
  18. 96
  19. 100
  20. 132
  21. 196
  22. 44
  23. 72
  24. 180
  25. 160
  26. 52
  27. 84
  28. 60
  29. 136
  30. 212
  31. 56
  32. 120
  33. 88
  34. 152
  35. 140
  36. 208
  37. 64
  38. 28
  39. 180
  40. 24

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