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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 911 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.34 × 4 =
  2. 2.52 × 4 =
  3. 3.23 × 4 =
  4. 4.13 × 4 =
  5. 5.10 × 4 =
  6. 6.11 × 4 =
  7. 7.25 × 4 =
  8. 8.47 × 4 =
  9. 9.22 × 4 =
  10. 10.16 × 4 =
  11. 11.35 × 4 =
  12. 12.17 × 4 =
  13. 13.55 × 4 =
  14. 14.12 × 4 =
  15. 15.45 × 4 =
  16. 16.40 × 4 =
  17. 17.44 × 4 =
  18. 18.8 × 4 =
  19. 19.51 × 4 =
  20. 20.32 × 4 =
  21. 21.60 × 4 =
  22. 22.36 × 4 =
  23. 23.37 × 4 =
  24. 24.38 × 4 =
  25. 25.42 × 4 =
  26. 26.24 × 4 =
  27. 27.33 × 4 =
  28. 28.21 × 4 =
  29. 29.27 × 4 =
  30. 30.19 × 4 =
  31. 31.46 × 4 =
  32. 32.39 × 4 =
  33. 33.59 × 4 =
  34. 34.15 × 4 =
  35. 35.49 × 4 =
  36. 36.14 × 4 =
  37. 37.54 × 4 =
  38. 38.18 × 4 =
  39. 39.53 × 4 =
  40. 40.26 × 4 =

Answer key

  1. 136
  2. 208
  3. 92
  4. 52
  5. 40
  6. 44
  7. 100
  8. 188
  9. 88
  10. 64
  11. 140
  12. 68
  13. 220
  14. 48
  15. 180
  16. 160
  17. 176
  18. 32
  19. 204
  20. 128
  21. 240
  22. 144
  23. 148
  24. 152
  25. 168
  26. 96
  27. 132
  28. 84
  29. 108
  30. 76
  31. 184
  32. 156
  33. 236
  34. 60
  35. 196
  36. 56
  37. 216
  38. 72
  39. 212
  40. 104

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