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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 601 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.27 × 4 =
  2. 2.53 × 4 =
  3. 3.52 × 4 =
  4. 4.21 × 4 =
  5. 5.60 × 4 =
  6. 6.57 × 4 =
  7. 7.38 × 4 =
  8. 8.42 × 4 =
  9. 9.58 × 4 =
  10. 10.33 × 4 =
  11. 11.39 × 4 =
  12. 12.31 × 4 =
  13. 13.6 × 4 =
  14. 14.9 × 4 =
  15. 15.45 × 4 =
  16. 16.17 × 4 =
  17. 17.19 × 4 =
  18. 18.40 × 4 =
  19. 19.29 × 4 =
  20. 20.48 × 4 =
  21. 21.7 × 4 =
  22. 22.46 × 4 =
  23. 23.15 × 4 =
  24. 24.36 × 4 =
  25. 25.32 × 4 =
  26. 26.26 × 4 =
  27. 27.22 × 4 =
  28. 28.13 × 4 =
  29. 29.10 × 4 =
  30. 30.59 × 4 =
  31. 31.24 × 4 =
  32. 32.56 × 4 =
  33. 33.34 × 4 =
  34. 34.41 × 4 =
  35. 35.49 × 4 =
  36. 36.20 × 4 =
  37. 37.37 × 4 =
  38. 38.16 × 4 =
  39. 39.14 × 4 =
  40. 40.51 × 4 =

Answer key

  1. 108
  2. 212
  3. 208
  4. 84
  5. 240
  6. 228
  7. 152
  8. 168
  9. 232
  10. 132
  11. 156
  12. 124
  13. 24
  14. 36
  15. 180
  16. 68
  17. 76
  18. 160
  19. 116
  20. 192
  21. 28
  22. 184
  23. 60
  24. 144
  25. 128
  26. 104
  27. 88
  28. 52
  29. 40
  30. 236
  31. 96
  32. 224
  33. 136
  34. 164
  35. 196
  36. 80
  37. 148
  38. 64
  39. 56
  40. 204

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