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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 346 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.14 × 4 =
  2. 2.36 × 4 =
  3. 3.30 × 4 =
  4. 4.17 × 4 =
  5. 5.18 × 4 =
  6. 6.26 × 4 =
  7. 7.20 × 4 =
  8. 8.39 × 4 =
  9. 9.38 × 4 =
  10. 10.58 × 4 =
  11. 11.6 × 4 =
  12. 12.59 × 4 =
  13. 13.55 × 4 =
  14. 14.29 × 4 =
  15. 15.22 × 4 =
  16. 16.13 × 4 =
  17. 17.46 × 4 =
  18. 18.34 × 4 =
  19. 19.12 × 4 =
  20. 20.15 × 4 =
  21. 21.50 × 4 =
  22. 22.41 × 4 =
  23. 23.11 × 4 =
  24. 24.49 × 4 =
  25. 25.19 × 4 =
  26. 26.33 × 4 =
  27. 27.23 × 4 =
  28. 28.24 × 4 =
  29. 29.35 × 4 =
  30. 30.10 × 4 =
  31. 31.25 × 4 =
  32. 32.31 × 4 =
  33. 33.45 × 4 =
  34. 34.16 × 4 =
  35. 35.21 × 4 =
  36. 36.52 × 4 =
  37. 37.44 × 4 =
  38. 38.28 × 4 =
  39. 39.53 × 4 =
  40. 40.57 × 4 =

Answer key

  1. 56
  2. 144
  3. 120
  4. 68
  5. 72
  6. 104
  7. 80
  8. 156
  9. 152
  10. 232
  11. 24
  12. 236
  13. 220
  14. 116
  15. 88
  16. 52
  17. 184
  18. 136
  19. 48
  20. 60
  21. 200
  22. 164
  23. 44
  24. 196
  25. 76
  26. 132
  27. 92
  28. 96
  29. 140
  30. 40
  31. 100
  32. 124
  33. 180
  34. 64
  35. 84
  36. 208
  37. 176
  38. 112
  39. 212
  40. 228

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