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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 225 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.57 × 4 =
  2. 2.12 × 4 =
  3. 3.13 × 4 =
  4. 4.27 × 4 =
  5. 5.9 × 4 =
  6. 6.10 × 4 =
  7. 7.51 × 4 =
  8. 8.47 × 4 =
  9. 9.43 × 4 =
  10. 10.39 × 4 =
  11. 11.56 × 4 =
  12. 12.23 × 4 =
  13. 13.60 × 4 =
  14. 14.36 × 4 =
  15. 15.28 × 4 =
  16. 16.37 × 4 =
  17. 17.50 × 4 =
  18. 18.32 × 4 =
  19. 19.18 × 4 =
  20. 20.34 × 4 =
  21. 21.26 × 4 =
  22. 22.16 × 4 =
  23. 23.22 × 4 =
  24. 24.20 × 4 =
  25. 25.21 × 4 =
  26. 26.35 × 4 =
  27. 27.14 × 4 =
  28. 28.45 × 4 =
  29. 29.8 × 4 =
  30. 30.55 × 4 =
  31. 31.15 × 4 =
  32. 32.25 × 4 =
  33. 33.59 × 4 =
  34. 34.40 × 4 =
  35. 35.6 × 4 =
  36. 36.17 × 4 =
  37. 37.19 × 4 =
  38. 38.38 × 4 =
  39. 39.33 × 4 =
  40. 40.31 × 4 =

Answer key

  1. 228
  2. 48
  3. 52
  4. 108
  5. 36
  6. 40
  7. 204
  8. 188
  9. 172
  10. 156
  11. 224
  12. 92
  13. 240
  14. 144
  15. 112
  16. 148
  17. 200
  18. 128
  19. 72
  20. 136
  21. 104
  22. 64
  23. 88
  24. 80
  25. 84
  26. 140
  27. 56
  28. 180
  29. 32
  30. 220
  31. 60
  32. 100
  33. 236
  34. 160
  35. 24
  36. 68
  37. 76
  38. 152
  39. 132
  40. 124

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