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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 395 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.17 × 4 =
  2. 2.49 × 4 =
  3. 3.46 × 4 =
  4. 4.19 × 4 =
  5. 5.24 × 4 =
  6. 6.54 × 4 =
  7. 7.15 × 4 =
  8. 8.47 × 4 =
  9. 9.6 × 4 =
  10. 10.33 × 4 =
  11. 11.50 × 4 =
  12. 12.55 × 4 =
  13. 13.26 × 4 =
  14. 14.18 × 4 =
  15. 15.58 × 4 =
  16. 16.21 × 4 =
  17. 17.38 × 4 =
  18. 18.29 × 4 =
  19. 19.13 × 4 =
  20. 20.37 × 4 =
  21. 21.25 × 4 =
  22. 22.43 × 4 =
  23. 23.39 × 4 =
  24. 24.20 × 4 =
  25. 25.11 × 4 =
  26. 26.41 × 4 =
  27. 27.48 × 4 =
  28. 28.35 × 4 =
  29. 29.9 × 4 =
  30. 30.44 × 4 =
  31. 31.10 × 4 =
  32. 32.45 × 4 =
  33. 33.27 × 4 =
  34. 34.40 × 4 =
  35. 35.51 × 4 =
  36. 36.52 × 4 =
  37. 37.36 × 4 =
  38. 38.31 × 4 =
  39. 39.7 × 4 =
  40. 40.32 × 4 =

Answer key

  1. 68
  2. 196
  3. 184
  4. 76
  5. 96
  6. 216
  7. 60
  8. 188
  9. 24
  10. 132
  11. 200
  12. 220
  13. 104
  14. 72
  15. 232
  16. 84
  17. 152
  18. 116
  19. 52
  20. 148
  21. 100
  22. 172
  23. 156
  24. 80
  25. 44
  26. 164
  27. 192
  28. 140
  29. 36
  30. 176
  31. 40
  32. 180
  33. 108
  34. 160
  35. 204
  36. 208
  37. 144
  38. 124
  39. 28
  40. 128

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