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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 666 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.6 × 4 =
  2. 2.53 × 4 =
  3. 3.39 × 4 =
  4. 4.16 × 4 =
  5. 5.25 × 4 =
  6. 6.12 × 4 =
  7. 7.46 × 4 =
  8. 8.42 × 4 =
  9. 9.9 × 4 =
  10. 10.20 × 4 =
  11. 11.54 × 4 =
  12. 12.15 × 4 =
  13. 13.10 × 4 =
  14. 14.13 × 4 =
  15. 15.50 × 4 =
  16. 16.58 × 4 =
  17. 17.29 × 4 =
  18. 18.22 × 4 =
  19. 19.28 × 4 =
  20. 20.8 × 4 =
  21. 21.19 × 4 =
  22. 22.7 × 4 =
  23. 23.17 × 4 =
  24. 24.34 × 4 =
  25. 25.60 × 4 =
  26. 26.59 × 4 =
  27. 27.24 × 4 =
  28. 28.31 × 4 =
  29. 29.56 × 4 =
  30. 30.55 × 4 =
  31. 31.45 × 4 =
  32. 32.14 × 4 =
  33. 33.52 × 4 =
  34. 34.11 × 4 =
  35. 35.23 × 4 =
  36. 36.27 × 4 =
  37. 37.43 × 4 =
  38. 38.18 × 4 =
  39. 39.47 × 4 =
  40. 40.35 × 4 =

Answer key

  1. 24
  2. 212
  3. 156
  4. 64
  5. 100
  6. 48
  7. 184
  8. 168
  9. 36
  10. 80
  11. 216
  12. 60
  13. 40
  14. 52
  15. 200
  16. 232
  17. 116
  18. 88
  19. 112
  20. 32
  21. 76
  22. 28
  23. 68
  24. 136
  25. 240
  26. 236
  27. 96
  28. 124
  29. 224
  30. 220
  31. 180
  32. 56
  33. 208
  34. 44
  35. 92
  36. 108
  37. 172
  38. 72
  39. 188
  40. 140

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