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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 90 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.41 × 4 =
  2. 2.54 × 4 =
  3. 3.13 × 4 =
  4. 4.43 × 4 =
  5. 5.40 × 4 =
  6. 6.29 × 4 =
  7. 7.15 × 4 =
  8. 8.6 × 4 =
  9. 9.28 × 4 =
  10. 10.51 × 4 =
  11. 11.20 × 4 =
  12. 12.32 × 4 =
  13. 13.37 × 4 =
  14. 14.60 × 4 =
  15. 15.35 × 4 =
  16. 16.31 × 4 =
  17. 17.42 × 4 =
  18. 18.38 × 4 =
  19. 19.25 × 4 =
  20. 20.53 × 4 =
  21. 21.18 × 4 =
  22. 22.8 × 4 =
  23. 23.33 × 4 =
  24. 24.22 × 4 =
  25. 25.10 × 4 =
  26. 26.30 × 4 =
  27. 27.24 × 4 =
  28. 28.17 × 4 =
  29. 29.47 × 4 =
  30. 30.19 × 4 =
  31. 31.48 × 4 =
  32. 32.46 × 4 =
  33. 33.14 × 4 =
  34. 34.23 × 4 =
  35. 35.36 × 4 =
  36. 36.21 × 4 =
  37. 37.52 × 4 =
  38. 38.11 × 4 =
  39. 39.59 × 4 =
  40. 40.39 × 4 =

Answer key

  1. 164
  2. 216
  3. 52
  4. 172
  5. 160
  6. 116
  7. 60
  8. 24
  9. 112
  10. 204
  11. 80
  12. 128
  13. 148
  14. 240
  15. 140
  16. 124
  17. 168
  18. 152
  19. 100
  20. 212
  21. 72
  22. 32
  23. 132
  24. 88
  25. 40
  26. 120
  27. 96
  28. 68
  29. 188
  30. 76
  31. 192
  32. 184
  33. 56
  34. 92
  35. 144
  36. 84
  37. 208
  38. 44
  39. 236
  40. 156

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