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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 636 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.18 × 4 =
  2. 2.10 × 4 =
  3. 3.21 × 4 =
  4. 4.54 × 4 =
  5. 5.51 × 4 =
  6. 6.46 × 4 =
  7. 7.11 × 4 =
  8. 8.26 × 4 =
  9. 9.45 × 4 =
  10. 10.58 × 4 =
  11. 11.28 × 4 =
  12. 12.39 × 4 =
  13. 13.17 × 4 =
  14. 14.44 × 4 =
  15. 15.33 × 4 =
  16. 16.15 × 4 =
  17. 17.38 × 4 =
  18. 18.52 × 4 =
  19. 19.19 × 4 =
  20. 20.29 × 4 =
  21. 21.37 × 4 =
  22. 22.24 × 4 =
  23. 23.12 × 4 =
  24. 24.23 × 4 =
  25. 25.6 × 4 =
  26. 26.9 × 4 =
  27. 27.8 × 4 =
  28. 28.40 × 4 =
  29. 29.60 × 4 =
  30. 30.42 × 4 =
  31. 31.13 × 4 =
  32. 32.16 × 4 =
  33. 33.55 × 4 =
  34. 34.31 × 4 =
  35. 35.47 × 4 =
  36. 36.56 × 4 =
  37. 37.14 × 4 =
  38. 38.7 × 4 =
  39. 39.20 × 4 =
  40. 40.27 × 4 =

Answer key

  1. 72
  2. 40
  3. 84
  4. 216
  5. 204
  6. 184
  7. 44
  8. 104
  9. 180
  10. 232
  11. 112
  12. 156
  13. 68
  14. 176
  15. 132
  16. 60
  17. 152
  18. 208
  19. 76
  20. 116
  21. 148
  22. 96
  23. 48
  24. 92
  25. 24
  26. 36
  27. 32
  28. 160
  29. 240
  30. 168
  31. 52
  32. 64
  33. 220
  34. 124
  35. 188
  36. 224
  37. 56
  38. 28
  39. 80
  40. 108

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