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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 571 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.53 × 4 =
  2. 2.11 × 4 =
  3. 3.54 × 4 =
  4. 4.51 × 4 =
  5. 5.33 × 4 =
  6. 6.41 × 4 =
  7. 7.20 × 4 =
  8. 8.43 × 4 =
  9. 9.14 × 4 =
  10. 10.17 × 4 =
  11. 11.40 × 4 =
  12. 12.34 × 4 =
  13. 13.24 × 4 =
  14. 14.19 × 4 =
  15. 15.16 × 4 =
  16. 16.45 × 4 =
  17. 17.58 × 4 =
  18. 18.59 × 4 =
  19. 19.21 × 4 =
  20. 20.35 × 4 =
  21. 21.22 × 4 =
  22. 22.13 × 4 =
  23. 23.28 × 4 =
  24. 24.15 × 4 =
  25. 25.60 × 4 =
  26. 26.57 × 4 =
  27. 27.8 × 4 =
  28. 28.9 × 4 =
  29. 29.55 × 4 =
  30. 30.29 × 4 =
  31. 31.10 × 4 =
  32. 32.30 × 4 =
  33. 33.48 × 4 =
  34. 34.32 × 4 =
  35. 35.7 × 4 =
  36. 36.49 × 4 =
  37. 37.12 × 4 =
  38. 38.52 × 4 =
  39. 39.39 × 4 =
  40. 40.23 × 4 =

Answer key

  1. 212
  2. 44
  3. 216
  4. 204
  5. 132
  6. 164
  7. 80
  8. 172
  9. 56
  10. 68
  11. 160
  12. 136
  13. 96
  14. 76
  15. 64
  16. 180
  17. 232
  18. 236
  19. 84
  20. 140
  21. 88
  22. 52
  23. 112
  24. 60
  25. 240
  26. 228
  27. 32
  28. 36
  29. 220
  30. 116
  31. 40
  32. 120
  33. 192
  34. 128
  35. 28
  36. 196
  37. 48
  38. 208
  39. 156
  40. 92

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