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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 185 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.50 × 4 =
  2. 2.53 × 4 =
  3. 3.27 × 4 =
  4. 4.8 × 4 =
  5. 5.46 × 4 =
  6. 6.19 × 4 =
  7. 7.6 × 4 =
  8. 8.51 × 4 =
  9. 9.48 × 4 =
  10. 10.55 × 4 =
  11. 11.26 × 4 =
  12. 12.34 × 4 =
  13. 13.42 × 4 =
  14. 14.41 × 4 =
  15. 15.21 × 4 =
  16. 16.35 × 4 =
  17. 17.36 × 4 =
  18. 18.49 × 4 =
  19. 19.39 × 4 =
  20. 20.12 × 4 =
  21. 21.45 × 4 =
  22. 22.43 × 4 =
  23. 23.22 × 4 =
  24. 24.54 × 4 =
  25. 25.14 × 4 =
  26. 26.25 × 4 =
  27. 27.32 × 4 =
  28. 28.17 × 4 =
  29. 29.23 × 4 =
  30. 30.57 × 4 =
  31. 31.10 × 4 =
  32. 32.20 × 4 =
  33. 33.15 × 4 =
  34. 34.44 × 4 =
  35. 35.11 × 4 =
  36. 36.37 × 4 =
  37. 37.52 × 4 =
  38. 38.38 × 4 =
  39. 39.18 × 4 =
  40. 40.47 × 4 =

Answer key

  1. 200
  2. 212
  3. 108
  4. 32
  5. 184
  6. 76
  7. 24
  8. 204
  9. 192
  10. 220
  11. 104
  12. 136
  13. 168
  14. 164
  15. 84
  16. 140
  17. 144
  18. 196
  19. 156
  20. 48
  21. 180
  22. 172
  23. 88
  24. 216
  25. 56
  26. 100
  27. 128
  28. 68
  29. 92
  30. 228
  31. 40
  32. 80
  33. 60
  34. 176
  35. 44
  36. 148
  37. 208
  38. 152
  39. 72
  40. 188

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