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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 107 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.46 × 4 =
  2. 2.11 × 4 =
  3. 3.24 × 4 =
  4. 4.34 × 4 =
  5. 5.6 × 4 =
  6. 6.12 × 4 =
  7. 7.52 × 4 =
  8. 8.58 × 4 =
  9. 9.48 × 4 =
  10. 10.55 × 4 =
  11. 11.60 × 4 =
  12. 12.30 × 4 =
  13. 13.23 × 4 =
  14. 14.42 × 4 =
  15. 15.15 × 4 =
  16. 16.19 × 4 =
  17. 17.8 × 4 =
  18. 18.43 × 4 =
  19. 19.25 × 4 =
  20. 20.38 × 4 =
  21. 21.20 × 4 =
  22. 22.14 × 4 =
  23. 23.22 × 4 =
  24. 24.21 × 4 =
  25. 25.45 × 4 =
  26. 26.51 × 4 =
  27. 27.36 × 4 =
  28. 28.18 × 4 =
  29. 29.10 × 4 =
  30. 30.37 × 4 =
  31. 31.56 × 4 =
  32. 32.35 × 4 =
  33. 33.13 × 4 =
  34. 34.47 × 4 =
  35. 35.50 × 4 =
  36. 36.31 × 4 =
  37. 37.26 × 4 =
  38. 38.54 × 4 =
  39. 39.59 × 4 =
  40. 40.16 × 4 =

Answer key

  1. 184
  2. 44
  3. 96
  4. 136
  5. 24
  6. 48
  7. 208
  8. 232
  9. 192
  10. 220
  11. 240
  12. 120
  13. 92
  14. 168
  15. 60
  16. 76
  17. 32
  18. 172
  19. 100
  20. 152
  21. 80
  22. 56
  23. 88
  24. 84
  25. 180
  26. 204
  27. 144
  28. 72
  29. 40
  30. 148
  31. 224
  32. 140
  33. 52
  34. 188
  35. 200
  36. 124
  37. 104
  38. 216
  39. 236
  40. 64

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