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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 401 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.17 × 4 =
  2. 2.12 × 4 =
  3. 3.11 × 4 =
  4. 4.29 × 4 =
  5. 5.53 × 4 =
  6. 6.39 × 4 =
  7. 7.35 × 4 =
  8. 8.13 × 4 =
  9. 9.30 × 4 =
  10. 10.46 × 4 =
  11. 11.47 × 4 =
  12. 12.38 × 4 =
  13. 13.15 × 4 =
  14. 14.6 × 4 =
  15. 15.36 × 4 =
  16. 16.31 × 4 =
  17. 17.58 × 4 =
  18. 18.40 × 4 =
  19. 19.50 × 4 =
  20. 20.28 × 4 =
  21. 21.33 × 4 =
  22. 22.23 × 4 =
  23. 23.27 × 4 =
  24. 24.60 × 4 =
  25. 25.52 × 4 =
  26. 26.51 × 4 =
  27. 27.56 × 4 =
  28. 28.18 × 4 =
  29. 29.20 × 4 =
  30. 30.9 × 4 =
  31. 31.55 × 4 =
  32. 32.8 × 4 =
  33. 33.10 × 4 =
  34. 34.45 × 4 =
  35. 35.41 × 4 =
  36. 36.26 × 4 =
  37. 37.34 × 4 =
  38. 38.22 × 4 =
  39. 39.54 × 4 =
  40. 40.32 × 4 =

Answer key

  1. 68
  2. 48
  3. 44
  4. 116
  5. 212
  6. 156
  7. 140
  8. 52
  9. 120
  10. 184
  11. 188
  12. 152
  13. 60
  14. 24
  15. 144
  16. 124
  17. 232
  18. 160
  19. 200
  20. 112
  21. 132
  22. 92
  23. 108
  24. 240
  25. 208
  26. 204
  27. 224
  28. 72
  29. 80
  30. 36
  31. 220
  32. 32
  33. 40
  34. 180
  35. 164
  36. 104
  37. 136
  38. 88
  39. 216
  40. 128

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