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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 45 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.51 × 4 =
  2. 2.42 × 4 =
  3. 3.58 × 4 =
  4. 4.25 × 4 =
  5. 5.27 × 4 =
  6. 6.7 × 4 =
  7. 7.54 × 4 =
  8. 8.16 × 4 =
  9. 9.15 × 4 =
  10. 10.12 × 4 =
  11. 11.50 × 4 =
  12. 12.19 × 4 =
  13. 13.39 × 4 =
  14. 14.53 × 4 =
  15. 15.60 × 4 =
  16. 16.9 × 4 =
  17. 17.6 × 4 =
  18. 18.13 × 4 =
  19. 19.37 × 4 =
  20. 20.38 × 4 =
  21. 21.14 × 4 =
  22. 22.41 × 4 =
  23. 23.52 × 4 =
  24. 24.17 × 4 =
  25. 25.36 × 4 =
  26. 26.47 × 4 =
  27. 27.18 × 4 =
  28. 28.45 × 4 =
  29. 29.40 × 4 =
  30. 30.11 × 4 =
  31. 31.24 × 4 =
  32. 32.56 × 4 =
  33. 33.26 × 4 =
  34. 34.33 × 4 =
  35. 35.31 × 4 =
  36. 36.43 × 4 =
  37. 37.21 × 4 =
  38. 38.20 × 4 =
  39. 39.23 × 4 =
  40. 40.35 × 4 =

Answer key

  1. 204
  2. 168
  3. 232
  4. 100
  5. 108
  6. 28
  7. 216
  8. 64
  9. 60
  10. 48
  11. 200
  12. 76
  13. 156
  14. 212
  15. 240
  16. 36
  17. 24
  18. 52
  19. 148
  20. 152
  21. 56
  22. 164
  23. 208
  24. 68
  25. 144
  26. 188
  27. 72
  28. 180
  29. 160
  30. 44
  31. 96
  32. 224
  33. 104
  34. 132
  35. 124
  36. 172
  37. 84
  38. 80
  39. 92
  40. 140

Free maths tricks lessons, practice and worksheets at talentjr.in/maths-tricks