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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 17 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.13 × 4 =
  2. 2.29 × 4 =
  3. 3.14 × 4 =
  4. 4.39 × 4 =
  5. 5.60 × 4 =
  6. 6.30 × 4 =
  7. 7.58 × 4 =
  8. 8.10 × 4 =
  9. 9.9 × 4 =
  10. 10.15 × 4 =
  11. 11.24 × 4 =
  12. 12.59 × 4 =
  13. 13.6 × 4 =
  14. 14.11 × 4 =
  15. 15.7 × 4 =
  16. 16.49 × 4 =
  17. 17.57 × 4 =
  18. 18.53 × 4 =
  19. 19.28 × 4 =
  20. 20.55 × 4 =
  21. 21.8 × 4 =
  22. 22.12 × 4 =
  23. 23.46 × 4 =
  24. 24.35 × 4 =
  25. 25.17 × 4 =
  26. 26.38 × 4 =
  27. 27.51 × 4 =
  28. 28.19 × 4 =
  29. 29.50 × 4 =
  30. 30.45 × 4 =
  31. 31.27 × 4 =
  32. 32.43 × 4 =
  33. 33.25 × 4 =
  34. 34.40 × 4 =
  35. 35.36 × 4 =
  36. 36.20 × 4 =
  37. 37.47 × 4 =
  38. 38.21 × 4 =
  39. 39.54 × 4 =
  40. 40.52 × 4 =

Answer key

  1. 52
  2. 116
  3. 56
  4. 156
  5. 240
  6. 120
  7. 232
  8. 40
  9. 36
  10. 60
  11. 96
  12. 236
  13. 24
  14. 44
  15. 28
  16. 196
  17. 228
  18. 212
  19. 112
  20. 220
  21. 32
  22. 48
  23. 184
  24. 140
  25. 68
  26. 152
  27. 204
  28. 76
  29. 200
  30. 180
  31. 108
  32. 172
  33. 100
  34. 160
  35. 144
  36. 80
  37. 188
  38. 84
  39. 216
  40. 208

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