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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 436 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.31 × 4 =
  2. 2.14 × 4 =
  3. 3.10 × 4 =
  4. 4.11 × 4 =
  5. 5.38 × 4 =
  6. 6.30 × 4 =
  7. 7.21 × 4 =
  8. 8.29 × 4 =
  9. 9.52 × 4 =
  10. 10.7 × 4 =
  11. 11.6 × 4 =
  12. 12.20 × 4 =
  13. 13.13 × 4 =
  14. 14.46 × 4 =
  15. 15.24 × 4 =
  16. 16.39 × 4 =
  17. 17.15 × 4 =
  18. 18.27 × 4 =
  19. 19.12 × 4 =
  20. 20.53 × 4 =
  21. 21.41 × 4 =
  22. 22.43 × 4 =
  23. 23.16 × 4 =
  24. 24.9 × 4 =
  25. 25.40 × 4 =
  26. 26.26 × 4 =
  27. 27.33 × 4 =
  28. 28.28 × 4 =
  29. 29.25 × 4 =
  30. 30.57 × 4 =
  31. 31.51 × 4 =
  32. 32.60 × 4 =
  33. 33.50 × 4 =
  34. 34.37 × 4 =
  35. 35.55 × 4 =
  36. 36.22 × 4 =
  37. 37.56 × 4 =
  38. 38.58 × 4 =
  39. 39.32 × 4 =
  40. 40.18 × 4 =

Answer key

  1. 124
  2. 56
  3. 40
  4. 44
  5. 152
  6. 120
  7. 84
  8. 116
  9. 208
  10. 28
  11. 24
  12. 80
  13. 52
  14. 184
  15. 96
  16. 156
  17. 60
  18. 108
  19. 48
  20. 212
  21. 164
  22. 172
  23. 64
  24. 36
  25. 160
  26. 104
  27. 132
  28. 112
  29. 100
  30. 228
  31. 204
  32. 240
  33. 200
  34. 148
  35. 220
  36. 88
  37. 224
  38. 232
  39. 128
  40. 72

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