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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 115 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.37 × 4 =
  2. 2.31 × 4 =
  3. 3.24 × 4 =
  4. 4.27 × 4 =
  5. 5.60 × 4 =
  6. 6.49 × 4 =
  7. 7.10 × 4 =
  8. 8.43 × 4 =
  9. 9.50 × 4 =
  10. 10.58 × 4 =
  11. 11.20 × 4 =
  12. 12.8 × 4 =
  13. 13.36 × 4 =
  14. 14.35 × 4 =
  15. 15.48 × 4 =
  16. 16.22 × 4 =
  17. 17.7 × 4 =
  18. 18.39 × 4 =
  19. 19.34 × 4 =
  20. 20.16 × 4 =
  21. 21.15 × 4 =
  22. 22.30 × 4 =
  23. 23.56 × 4 =
  24. 24.21 × 4 =
  25. 25.29 × 4 =
  26. 26.9 × 4 =
  27. 27.51 × 4 =
  28. 28.23 × 4 =
  29. 29.12 × 4 =
  30. 30.41 × 4 =
  31. 31.40 × 4 =
  32. 32.13 × 4 =
  33. 33.26 × 4 =
  34. 34.47 × 4 =
  35. 35.19 × 4 =
  36. 36.42 × 4 =
  37. 37.28 × 4 =
  38. 38.54 × 4 =
  39. 39.11 × 4 =
  40. 40.53 × 4 =

Answer key

  1. 148
  2. 124
  3. 96
  4. 108
  5. 240
  6. 196
  7. 40
  8. 172
  9. 200
  10. 232
  11. 80
  12. 32
  13. 144
  14. 140
  15. 192
  16. 88
  17. 28
  18. 156
  19. 136
  20. 64
  21. 60
  22. 120
  23. 224
  24. 84
  25. 116
  26. 36
  27. 204
  28. 92
  29. 48
  30. 164
  31. 160
  32. 52
  33. 104
  34. 188
  35. 76
  36. 168
  37. 112
  38. 216
  39. 44
  40. 212

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