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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 727 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.37 × 4 =
  2. 2.48 × 4 =
  3. 3.6 × 4 =
  4. 4.41 × 4 =
  5. 5.40 × 4 =
  6. 6.8 × 4 =
  7. 7.39 × 4 =
  8. 8.26 × 4 =
  9. 9.46 × 4 =
  10. 10.31 × 4 =
  11. 11.51 × 4 =
  12. 12.56 × 4 =
  13. 13.17 × 4 =
  14. 14.16 × 4 =
  15. 15.20 × 4 =
  16. 16.22 × 4 =
  17. 17.50 × 4 =
  18. 18.28 × 4 =
  19. 19.53 × 4 =
  20. 20.52 × 4 =
  21. 21.15 × 4 =
  22. 22.59 × 4 =
  23. 23.30 × 4 =
  24. 24.11 × 4 =
  25. 25.9 × 4 =
  26. 26.7 × 4 =
  27. 27.33 × 4 =
  28. 28.14 × 4 =
  29. 29.60 × 4 =
  30. 30.36 × 4 =
  31. 31.21 × 4 =
  32. 32.45 × 4 =
  33. 33.19 × 4 =
  34. 34.42 × 4 =
  35. 35.24 × 4 =
  36. 36.58 × 4 =
  37. 37.43 × 4 =
  38. 38.47 × 4 =
  39. 39.29 × 4 =
  40. 40.27 × 4 =

Answer key

  1. 148
  2. 192
  3. 24
  4. 164
  5. 160
  6. 32
  7. 156
  8. 104
  9. 184
  10. 124
  11. 204
  12. 224
  13. 68
  14. 64
  15. 80
  16. 88
  17. 200
  18. 112
  19. 212
  20. 208
  21. 60
  22. 236
  23. 120
  24. 44
  25. 36
  26. 28
  27. 132
  28. 56
  29. 240
  30. 144
  31. 84
  32. 180
  33. 76
  34. 168
  35. 96
  36. 232
  37. 172
  38. 188
  39. 116
  40. 108

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