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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 504 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.16 × 4 =
  2. 2.15 × 4 =
  3. 3.36 × 4 =
  4. 4.37 × 4 =
  5. 5.17 × 4 =
  6. 6.19 × 4 =
  7. 7.9 × 4 =
  8. 8.51 × 4 =
  9. 9.46 × 4 =
  10. 10.13 × 4 =
  11. 11.60 × 4 =
  12. 12.23 × 4 =
  13. 13.20 × 4 =
  14. 14.48 × 4 =
  15. 15.35 × 4 =
  16. 16.50 × 4 =
  17. 17.28 × 4 =
  18. 18.18 × 4 =
  19. 19.49 × 4 =
  20. 20.26 × 4 =
  21. 21.53 × 4 =
  22. 22.21 × 4 =
  23. 23.44 × 4 =
  24. 24.47 × 4 =
  25. 25.25 × 4 =
  26. 26.41 × 4 =
  27. 27.22 × 4 =
  28. 28.42 × 4 =
  29. 29.32 × 4 =
  30. 30.34 × 4 =
  31. 31.27 × 4 =
  32. 32.38 × 4 =
  33. 33.7 × 4 =
  34. 34.43 × 4 =
  35. 35.52 × 4 =
  36. 36.55 × 4 =
  37. 37.29 × 4 =
  38. 38.8 × 4 =
  39. 39.56 × 4 =
  40. 40.11 × 4 =

Answer key

  1. 64
  2. 60
  3. 144
  4. 148
  5. 68
  6. 76
  7. 36
  8. 204
  9. 184
  10. 52
  11. 240
  12. 92
  13. 80
  14. 192
  15. 140
  16. 200
  17. 112
  18. 72
  19. 196
  20. 104
  21. 212
  22. 84
  23. 176
  24. 188
  25. 100
  26. 164
  27. 88
  28. 168
  29. 128
  30. 136
  31. 108
  32. 152
  33. 28
  34. 172
  35. 208
  36. 220
  37. 116
  38. 32
  39. 224
  40. 44

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