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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 464 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.12 × 4 =
  2. 2.28 × 4 =
  3. 3.59 × 4 =
  4. 4.11 × 4 =
  5. 5.40 × 4 =
  6. 6.56 × 4 =
  7. 7.7 × 4 =
  8. 8.25 × 4 =
  9. 9.27 × 4 =
  10. 10.38 × 4 =
  11. 11.24 × 4 =
  12. 12.44 × 4 =
  13. 13.18 × 4 =
  14. 14.37 × 4 =
  15. 15.50 × 4 =
  16. 16.52 × 4 =
  17. 17.14 × 4 =
  18. 18.39 × 4 =
  19. 19.9 × 4 =
  20. 20.57 × 4 =
  21. 21.6 × 4 =
  22. 22.33 × 4 =
  23. 23.22 × 4 =
  24. 24.53 × 4 =
  25. 25.21 × 4 =
  26. 26.45 × 4 =
  27. 27.13 × 4 =
  28. 28.16 × 4 =
  29. 29.48 × 4 =
  30. 30.60 × 4 =
  31. 31.15 × 4 =
  32. 32.43 × 4 =
  33. 33.35 × 4 =
  34. 34.51 × 4 =
  35. 35.20 × 4 =
  36. 36.26 × 4 =
  37. 37.34 × 4 =
  38. 38.46 × 4 =
  39. 39.8 × 4 =
  40. 40.36 × 4 =

Answer key

  1. 48
  2. 112
  3. 236
  4. 44
  5. 160
  6. 224
  7. 28
  8. 100
  9. 108
  10. 152
  11. 96
  12. 176
  13. 72
  14. 148
  15. 200
  16. 208
  17. 56
  18. 156
  19. 36
  20. 228
  21. 24
  22. 132
  23. 88
  24. 212
  25. 84
  26. 180
  27. 52
  28. 64
  29. 192
  30. 240
  31. 60
  32. 172
  33. 140
  34. 204
  35. 80
  36. 104
  37. 136
  38. 184
  39. 32
  40. 144

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