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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 220 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.11 × 4 =
  2. 2.56 × 4 =
  3. 3.48 × 4 =
  4. 4.12 × 4 =
  5. 5.18 × 4 =
  6. 6.42 × 4 =
  7. 7.52 × 4 =
  8. 8.19 × 4 =
  9. 9.41 × 4 =
  10. 10.54 × 4 =
  11. 11.28 × 4 =
  12. 12.37 × 4 =
  13. 13.27 × 4 =
  14. 14.23 × 4 =
  15. 15.31 × 4 =
  16. 16.6 × 4 =
  17. 17.15 × 4 =
  18. 18.13 × 4 =
  19. 19.32 × 4 =
  20. 20.51 × 4 =
  21. 21.25 × 4 =
  22. 22.47 × 4 =
  23. 23.34 × 4 =
  24. 24.17 × 4 =
  25. 25.24 × 4 =
  26. 26.8 × 4 =
  27. 27.46 × 4 =
  28. 28.60 × 4 =
  29. 29.14 × 4 =
  30. 30.21 × 4 =
  31. 31.38 × 4 =
  32. 32.35 × 4 =
  33. 33.10 × 4 =
  34. 34.55 × 4 =
  35. 35.30 × 4 =
  36. 36.58 × 4 =
  37. 37.9 × 4 =
  38. 38.36 × 4 =
  39. 39.50 × 4 =
  40. 40.33 × 4 =

Answer key

  1. 44
  2. 224
  3. 192
  4. 48
  5. 72
  6. 168
  7. 208
  8. 76
  9. 164
  10. 216
  11. 112
  12. 148
  13. 108
  14. 92
  15. 124
  16. 24
  17. 60
  18. 52
  19. 128
  20. 204
  21. 100
  22. 188
  23. 136
  24. 68
  25. 96
  26. 32
  27. 184
  28. 240
  29. 56
  30. 84
  31. 152
  32. 140
  33. 40
  34. 220
  35. 120
  36. 232
  37. 36
  38. 144
  39. 200
  40. 132

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