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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 338 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.12 × 4 =
  2. 2.9 × 4 =
  3. 3.35 × 4 =
  4. 4.39 × 4 =
  5. 5.7 × 4 =
  6. 6.19 × 4 =
  7. 7.21 × 4 =
  8. 8.14 × 4 =
  9. 9.37 × 4 =
  10. 10.6 × 4 =
  11. 11.25 × 4 =
  12. 12.31 × 4 =
  13. 13.22 × 4 =
  14. 14.8 × 4 =
  15. 15.52 × 4 =
  16. 16.34 × 4 =
  17. 17.17 × 4 =
  18. 18.15 × 4 =
  19. 19.28 × 4 =
  20. 20.56 × 4 =
  21. 21.16 × 4 =
  22. 22.32 × 4 =
  23. 23.24 × 4 =
  24. 24.11 × 4 =
  25. 25.10 × 4 =
  26. 26.26 × 4 =
  27. 27.59 × 4 =
  28. 28.20 × 4 =
  29. 29.41 × 4 =
  30. 30.33 × 4 =
  31. 31.23 × 4 =
  32. 32.49 × 4 =
  33. 33.42 × 4 =
  34. 34.44 × 4 =
  35. 35.30 × 4 =
  36. 36.18 × 4 =
  37. 37.13 × 4 =
  38. 38.54 × 4 =
  39. 39.60 × 4 =
  40. 40.53 × 4 =

Answer key

  1. 48
  2. 36
  3. 140
  4. 156
  5. 28
  6. 76
  7. 84
  8. 56
  9. 148
  10. 24
  11. 100
  12. 124
  13. 88
  14. 32
  15. 208
  16. 136
  17. 68
  18. 60
  19. 112
  20. 224
  21. 64
  22. 128
  23. 96
  24. 44
  25. 40
  26. 104
  27. 236
  28. 80
  29. 164
  30. 132
  31. 92
  32. 196
  33. 168
  34. 176
  35. 120
  36. 72
  37. 52
  38. 216
  39. 240
  40. 212

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