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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 726 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.35 × 4 =
  2. 2.25 × 4 =
  3. 3.26 × 4 =
  4. 4.56 × 4 =
  5. 5.34 × 4 =
  6. 6.32 × 4 =
  7. 7.45 × 4 =
  8. 8.16 × 4 =
  9. 9.27 × 4 =
  10. 10.20 × 4 =
  11. 11.50 × 4 =
  12. 12.38 × 4 =
  13. 13.13 × 4 =
  14. 14.43 × 4 =
  15. 15.11 × 4 =
  16. 16.9 × 4 =
  17. 17.22 × 4 =
  18. 18.48 × 4 =
  19. 19.53 × 4 =
  20. 20.37 × 4 =
  21. 21.21 × 4 =
  22. 22.31 × 4 =
  23. 23.7 × 4 =
  24. 24.40 × 4 =
  25. 25.17 × 4 =
  26. 26.23 × 4 =
  27. 27.52 × 4 =
  28. 28.10 × 4 =
  29. 29.29 × 4 =
  30. 30.15 × 4 =
  31. 31.55 × 4 =
  32. 32.51 × 4 =
  33. 33.19 × 4 =
  34. 34.46 × 4 =
  35. 35.24 × 4 =
  36. 36.39 × 4 =
  37. 37.60 × 4 =
  38. 38.33 × 4 =
  39. 39.36 × 4 =
  40. 40.57 × 4 =

Answer key

  1. 140
  2. 100
  3. 104
  4. 224
  5. 136
  6. 128
  7. 180
  8. 64
  9. 108
  10. 80
  11. 200
  12. 152
  13. 52
  14. 172
  15. 44
  16. 36
  17. 88
  18. 192
  19. 212
  20. 148
  21. 84
  22. 124
  23. 28
  24. 160
  25. 68
  26. 92
  27. 208
  28. 40
  29. 116
  30. 60
  31. 220
  32. 204
  33. 76
  34. 184
  35. 96
  36. 156
  37. 240
  38. 132
  39. 144
  40. 228

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