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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 668 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.7 × 4 =
  2. 2.48 × 4 =
  3. 3.31 × 4 =
  4. 4.11 × 4 =
  5. 5.14 × 4 =
  6. 6.19 × 4 =
  7. 7.49 × 4 =
  8. 8.27 × 4 =
  9. 9.12 × 4 =
  10. 10.16 × 4 =
  11. 11.8 × 4 =
  12. 12.50 × 4 =
  13. 13.28 × 4 =
  14. 14.57 × 4 =
  15. 15.13 × 4 =
  16. 16.53 × 4 =
  17. 17.30 × 4 =
  18. 18.25 × 4 =
  19. 19.35 × 4 =
  20. 20.42 × 4 =
  21. 21.10 × 4 =
  22. 22.15 × 4 =
  23. 23.20 × 4 =
  24. 24.38 × 4 =
  25. 25.17 × 4 =
  26. 26.29 × 4 =
  27. 27.18 × 4 =
  28. 28.52 × 4 =
  29. 29.34 × 4 =
  30. 30.45 × 4 =
  31. 31.59 × 4 =
  32. 32.36 × 4 =
  33. 33.6 × 4 =
  34. 34.21 × 4 =
  35. 35.26 × 4 =
  36. 36.51 × 4 =
  37. 37.47 × 4 =
  38. 38.60 × 4 =
  39. 39.33 × 4 =
  40. 40.23 × 4 =

Answer key

  1. 28
  2. 192
  3. 124
  4. 44
  5. 56
  6. 76
  7. 196
  8. 108
  9. 48
  10. 64
  11. 32
  12. 200
  13. 112
  14. 228
  15. 52
  16. 212
  17. 120
  18. 100
  19. 140
  20. 168
  21. 40
  22. 60
  23. 80
  24. 152
  25. 68
  26. 116
  27. 72
  28. 208
  29. 136
  30. 180
  31. 236
  32. 144
  33. 24
  34. 84
  35. 104
  36. 204
  37. 188
  38. 240
  39. 132
  40. 92

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