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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 205 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.24 × 4 =
  2. 2.40 × 4 =
  3. 3.6 × 4 =
  4. 4.19 × 4 =
  5. 5.41 × 4 =
  6. 6.36 × 4 =
  7. 7.21 × 4 =
  8. 8.22 × 4 =
  9. 9.28 × 4 =
  10. 10.27 × 4 =
  11. 11.58 × 4 =
  12. 12.30 × 4 =
  13. 13.50 × 4 =
  14. 14.12 × 4 =
  15. 15.55 × 4 =
  16. 16.42 × 4 =
  17. 17.48 × 4 =
  18. 18.20 × 4 =
  19. 19.13 × 4 =
  20. 20.25 × 4 =
  21. 21.15 × 4 =
  22. 22.37 × 4 =
  23. 23.54 × 4 =
  24. 24.26 × 4 =
  25. 25.11 × 4 =
  26. 26.47 × 4 =
  27. 27.7 × 4 =
  28. 28.17 × 4 =
  29. 29.9 × 4 =
  30. 30.44 × 4 =
  31. 31.34 × 4 =
  32. 32.33 × 4 =
  33. 33.45 × 4 =
  34. 34.8 × 4 =
  35. 35.14 × 4 =
  36. 36.23 × 4 =
  37. 37.59 × 4 =
  38. 38.46 × 4 =
  39. 39.32 × 4 =
  40. 40.39 × 4 =

Answer key

  1. 96
  2. 160
  3. 24
  4. 76
  5. 164
  6. 144
  7. 84
  8. 88
  9. 112
  10. 108
  11. 232
  12. 120
  13. 200
  14. 48
  15. 220
  16. 168
  17. 192
  18. 80
  19. 52
  20. 100
  21. 60
  22. 148
  23. 216
  24. 104
  25. 44
  26. 188
  27. 28
  28. 68
  29. 36
  30. 176
  31. 136
  32. 132
  33. 180
  34. 32
  35. 56
  36. 92
  37. 236
  38. 184
  39. 128
  40. 156

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