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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 812 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.7 × 4 =
  2. 2.39 × 4 =
  3. 3.60 × 4 =
  4. 4.6 × 4 =
  5. 5.34 × 4 =
  6. 6.23 × 4 =
  7. 7.22 × 4 =
  8. 8.11 × 4 =
  9. 9.44 × 4 =
  10. 10.46 × 4 =
  11. 11.16 × 4 =
  12. 12.35 × 4 =
  13. 13.19 × 4 =
  14. 14.49 × 4 =
  15. 15.40 × 4 =
  16. 16.29 × 4 =
  17. 17.33 × 4 =
  18. 18.31 × 4 =
  19. 19.55 × 4 =
  20. 20.20 × 4 =
  21. 21.47 × 4 =
  22. 22.27 × 4 =
  23. 23.24 × 4 =
  24. 24.12 × 4 =
  25. 25.42 × 4 =
  26. 26.32 × 4 =
  27. 27.50 × 4 =
  28. 28.45 × 4 =
  29. 29.10 × 4 =
  30. 30.21 × 4 =
  31. 31.15 × 4 =
  32. 32.18 × 4 =
  33. 33.26 × 4 =
  34. 34.13 × 4 =
  35. 35.28 × 4 =
  36. 36.51 × 4 =
  37. 37.48 × 4 =
  38. 38.9 × 4 =
  39. 39.43 × 4 =
  40. 40.53 × 4 =

Answer key

  1. 28
  2. 156
  3. 240
  4. 24
  5. 136
  6. 92
  7. 88
  8. 44
  9. 176
  10. 184
  11. 64
  12. 140
  13. 76
  14. 196
  15. 160
  16. 116
  17. 132
  18. 124
  19. 220
  20. 80
  21. 188
  22. 108
  23. 96
  24. 48
  25. 168
  26. 128
  27. 200
  28. 180
  29. 40
  30. 84
  31. 60
  32. 72
  33. 104
  34. 52
  35. 112
  36. 204
  37. 192
  38. 36
  39. 172
  40. 212

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