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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 344 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.54 × 4 =
  2. 2.7 × 4 =
  3. 3.26 × 4 =
  4. 4.36 × 4 =
  5. 5.28 × 4 =
  6. 6.22 × 4 =
  7. 7.55 × 4 =
  8. 8.14 × 4 =
  9. 9.52 × 4 =
  10. 10.15 × 4 =
  11. 11.53 × 4 =
  12. 12.12 × 4 =
  13. 13.31 × 4 =
  14. 14.8 × 4 =
  15. 15.13 × 4 =
  16. 16.42 × 4 =
  17. 17.48 × 4 =
  18. 18.30 × 4 =
  19. 19.25 × 4 =
  20. 20.10 × 4 =
  21. 21.24 × 4 =
  22. 22.51 × 4 =
  23. 23.49 × 4 =
  24. 24.60 × 4 =
  25. 25.47 × 4 =
  26. 26.19 × 4 =
  27. 27.29 × 4 =
  28. 28.37 × 4 =
  29. 29.21 × 4 =
  30. 30.39 × 4 =
  31. 31.16 × 4 =
  32. 32.41 × 4 =
  33. 33.50 × 4 =
  34. 34.17 × 4 =
  35. 35.38 × 4 =
  36. 36.23 × 4 =
  37. 37.34 × 4 =
  38. 38.43 × 4 =
  39. 39.49 × 4 =
  40. 40.9 × 4 =

Answer key

  1. 216
  2. 28
  3. 104
  4. 144
  5. 112
  6. 88
  7. 220
  8. 56
  9. 208
  10. 60
  11. 212
  12. 48
  13. 124
  14. 32
  15. 52
  16. 168
  17. 192
  18. 120
  19. 100
  20. 40
  21. 96
  22. 204
  23. 196
  24. 240
  25. 188
  26. 76
  27. 116
  28. 148
  29. 84
  30. 156
  31. 64
  32. 164
  33. 200
  34. 68
  35. 152
  36. 92
  37. 136
  38. 172
  39. 196
  40. 36

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