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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 156 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.18 × 4 =
  2. 2.55 × 4 =
  3. 3.49 × 4 =
  4. 4.25 × 4 =
  5. 5.17 × 4 =
  6. 6.51 × 4 =
  7. 7.7 × 4 =
  8. 8.42 × 4 =
  9. 9.58 × 4 =
  10. 10.15 × 4 =
  11. 11.32 × 4 =
  12. 12.43 × 4 =
  13. 13.11 × 4 =
  14. 14.60 × 4 =
  15. 15.20 × 4 =
  16. 16.45 × 4 =
  17. 17.23 × 4 =
  18. 18.35 × 4 =
  19. 19.57 × 4 =
  20. 20.53 × 4 =
  21. 21.26 × 4 =
  22. 22.52 × 4 =
  23. 23.9 × 4 =
  24. 24.38 × 4 =
  25. 25.22 × 4 =
  26. 26.59 × 4 =
  27. 27.24 × 4 =
  28. 28.46 × 4 =
  29. 29.13 × 4 =
  30. 30.16 × 4 =
  31. 31.10 × 4 =
  32. 32.27 × 4 =
  33. 33.54 × 4 =
  34. 34.14 × 4 =
  35. 35.33 × 4 =
  36. 36.12 × 4 =
  37. 37.39 × 4 =
  38. 38.31 × 4 =
  39. 39.28 × 4 =
  40. 40.37 × 4 =

Answer key

  1. 72
  2. 220
  3. 196
  4. 100
  5. 68
  6. 204
  7. 28
  8. 168
  9. 232
  10. 60
  11. 128
  12. 172
  13. 44
  14. 240
  15. 80
  16. 180
  17. 92
  18. 140
  19. 228
  20. 212
  21. 104
  22. 208
  23. 36
  24. 152
  25. 88
  26. 236
  27. 96
  28. 184
  29. 52
  30. 64
  31. 40
  32. 108
  33. 216
  34. 56
  35. 132
  36. 48
  37. 156
  38. 124
  39. 112
  40. 148

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