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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 482 · 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. 2.18 × 4 =
  3. 3.27 × 4 =
  4. 4.51 × 4 =
  5. 5.58 × 4 =
  6. 6.7 × 4 =
  7. 7.52 × 4 =
  8. 8.53 × 4 =
  9. 9.48 × 4 =
  10. 10.29 × 4 =
  11. 11.9 × 4 =
  12. 12.45 × 4 =
  13. 13.25 × 4 =
  14. 14.21 × 4 =
  15. 15.36 × 4 =
  16. 16.32 × 4 =
  17. 17.24 × 4 =
  18. 18.19 × 4 =
  19. 19.56 × 4 =
  20. 20.20 × 4 =
  21. 21.13 × 4 =
  22. 22.12 × 4 =
  23. 23.37 × 4 =
  24. 24.22 × 4 =
  25. 25.46 × 4 =
  26. 26.23 × 4 =
  27. 27.33 × 4 =
  28. 28.50 × 4 =
  29. 29.47 × 4 =
  30. 30.16 × 4 =
  31. 31.38 × 4 =
  32. 32.57 × 4 =
  33. 33.35 × 4 =
  34. 34.31 × 4 =
  35. 35.44 × 4 =
  36. 36.8 × 4 =
  37. 37.10 × 4 =
  38. 38.26 × 4 =
  39. 39.39 × 4 =
  40. 40.6 × 4 =

Answer key

  1. 56
  2. 72
  3. 108
  4. 204
  5. 232
  6. 28
  7. 208
  8. 212
  9. 192
  10. 116
  11. 36
  12. 180
  13. 100
  14. 84
  15. 144
  16. 128
  17. 96
  18. 76
  19. 224
  20. 80
  21. 52
  22. 48
  23. 148
  24. 88
  25. 184
  26. 92
  27. 132
  28. 200
  29. 188
  30. 64
  31. 152
  32. 228
  33. 140
  34. 124
  35. 176
  36. 32
  37. 40
  38. 104
  39. 156
  40. 24

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