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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 455 · 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. 2.13 × 4 =
  3. 3.42 × 4 =
  4. 4.36 × 4 =
  5. 5.9 × 4 =
  6. 6.34 × 4 =
  7. 7.21 × 4 =
  8. 8.18 × 4 =
  9. 9.17 × 4 =
  10. 10.38 × 4 =
  11. 11.33 × 4 =
  12. 12.14 × 4 =
  13. 13.49 × 4 =
  14. 14.52 × 4 =
  15. 15.43 × 4 =
  16. 16.11 × 4 =
  17. 17.32 × 4 =
  18. 18.23 × 4 =
  19. 19.26 × 4 =
  20. 20.16 × 4 =
  21. 21.28 × 4 =
  22. 22.37 × 4 =
  23. 23.59 × 4 =
  24. 24.46 × 4 =
  25. 25.30 × 4 =
  26. 26.15 × 4 =
  27. 27.6 × 4 =
  28. 28.35 × 4 =
  29. 29.41 × 4 =
  30. 30.20 × 4 =
  31. 31.55 × 4 =
  32. 32.54 × 4 =
  33. 33.10 × 4 =
  34. 34.12 × 4 =
  35. 35.60 × 4 =
  36. 36.45 × 4 =
  37. 37.47 × 4 =
  38. 38.8 × 4 =
  39. 39.7 × 4 =
  40. 40.56 × 4 =

Answer key

  1. 108
  2. 52
  3. 168
  4. 144
  5. 36
  6. 136
  7. 84
  8. 72
  9. 68
  10. 152
  11. 132
  12. 56
  13. 196
  14. 208
  15. 172
  16. 44
  17. 128
  18. 92
  19. 104
  20. 64
  21. 112
  22. 148
  23. 236
  24. 184
  25. 120
  26. 60
  27. 24
  28. 140
  29. 164
  30. 80
  31. 220
  32. 216
  33. 40
  34. 48
  35. 240
  36. 180
  37. 188
  38. 32
  39. 28
  40. 224

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