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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 264 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.33 × 4 =
  2. 2.52 × 4 =
  3. 3.54 × 4 =
  4. 4.11 × 4 =
  5. 5.18 × 4 =
  6. 6.14 × 4 =
  7. 7.40 × 4 =
  8. 8.7 × 4 =
  9. 9.19 × 4 =
  10. 10.26 × 4 =
  11. 11.50 × 4 =
  12. 12.27 × 4 =
  13. 13.35 × 4 =
  14. 14.13 × 4 =
  15. 15.20 × 4 =
  16. 16.43 × 4 =
  17. 17.29 × 4 =
  18. 18.30 × 4 =
  19. 19.58 × 4 =
  20. 20.47 × 4 =
  21. 21.6 × 4 =
  22. 22.12 × 4 =
  23. 23.15 × 4 =
  24. 24.10 × 4 =
  25. 25.24 × 4 =
  26. 26.8 × 4 =
  27. 27.16 × 4 =
  28. 28.48 × 4 =
  29. 29.36 × 4 =
  30. 30.39 × 4 =
  31. 31.31 × 4 =
  32. 32.45 × 4 =
  33. 33.17 × 4 =
  34. 34.51 × 4 =
  35. 35.60 × 4 =
  36. 36.37 × 4 =
  37. 37.25 × 4 =
  38. 38.28 × 4 =
  39. 39.46 × 4 =
  40. 40.22 × 4 =

Answer key

  1. 132
  2. 208
  3. 216
  4. 44
  5. 72
  6. 56
  7. 160
  8. 28
  9. 76
  10. 104
  11. 200
  12. 108
  13. 140
  14. 52
  15. 80
  16. 172
  17. 116
  18. 120
  19. 232
  20. 188
  21. 24
  22. 48
  23. 60
  24. 40
  25. 96
  26. 32
  27. 64
  28. 192
  29. 144
  30. 156
  31. 124
  32. 180
  33. 68
  34. 204
  35. 240
  36. 148
  37. 100
  38. 112
  39. 184
  40. 88

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