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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 82 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.40 × 4 =
  2. 2.15 × 4 =
  3. 3.11 × 4 =
  4. 4.56 × 4 =
  5. 5.32 × 4 =
  6. 6.45 × 4 =
  7. 7.33 × 4 =
  8. 8.23 × 4 =
  9. 9.39 × 4 =
  10. 10.7 × 4 =
  11. 11.51 × 4 =
  12. 12.6 × 4 =
  13. 13.53 × 4 =
  14. 14.22 × 4 =
  15. 15.46 × 4 =
  16. 16.25 × 4 =
  17. 17.35 × 4 =
  18. 18.28 × 4 =
  19. 19.38 × 4 =
  20. 20.41 × 4 =
  21. 21.31 × 4 =
  22. 22.13 × 4 =
  23. 23.29 × 4 =
  24. 24.55 × 4 =
  25. 25.48 × 4 =
  26. 26.52 × 4 =
  27. 27.9 × 4 =
  28. 28.50 × 4 =
  29. 29.26 × 4 =
  30. 30.24 × 4 =
  31. 31.57 × 4 =
  32. 32.47 × 4 =
  33. 33.20 × 4 =
  34. 34.16 × 4 =
  35. 35.54 × 4 =
  36. 36.21 × 4 =
  37. 37.18 × 4 =
  38. 38.27 × 4 =
  39. 39.17 × 4 =
  40. 40.14 × 4 =

Answer key

  1. 160
  2. 60
  3. 44
  4. 224
  5. 128
  6. 180
  7. 132
  8. 92
  9. 156
  10. 28
  11. 204
  12. 24
  13. 212
  14. 88
  15. 184
  16. 100
  17. 140
  18. 112
  19. 152
  20. 164
  21. 124
  22. 52
  23. 116
  24. 220
  25. 192
  26. 208
  27. 36
  28. 200
  29. 104
  30. 96
  31. 228
  32. 188
  33. 80
  34. 64
  35. 216
  36. 84
  37. 72
  38. 108
  39. 68
  40. 56

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