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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 734 · 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. 2.21 × 4 =
  3. 3.51 × 4 =
  4. 4.47 × 4 =
  5. 5.25 × 4 =
  6. 6.33 × 4 =
  7. 7.20 × 4 =
  8. 8.37 × 4 =
  9. 9.52 × 4 =
  10. 10.19 × 4 =
  11. 11.30 × 4 =
  12. 12.26 × 4 =
  13. 13.43 × 4 =
  14. 14.17 × 4 =
  15. 15.27 × 4 =
  16. 16.59 × 4 =
  17. 17.14 × 4 =
  18. 18.11 × 4 =
  19. 19.60 × 4 =
  20. 20.6 × 4 =
  21. 21.10 × 4 =
  22. 22.22 × 4 =
  23. 23.7 × 4 =
  24. 24.42 × 4 =
  25. 25.13 × 4 =
  26. 26.34 × 4 =
  27. 27.8 × 4 =
  28. 28.18 × 4 =
  29. 29.38 × 4 =
  30. 30.35 × 4 =
  31. 31.45 × 4 =
  32. 32.31 × 4 =
  33. 33.40 × 4 =
  34. 34.24 × 4 =
  35. 35.23 × 4 =
  36. 36.32 × 4 =
  37. 37.46 × 4 =
  38. 38.44 × 4 =
  39. 39.28 × 4 =
  40. 40.54 × 4 =

Answer key

  1. 164
  2. 84
  3. 204
  4. 188
  5. 100
  6. 132
  7. 80
  8. 148
  9. 208
  10. 76
  11. 120
  12. 104
  13. 172
  14. 68
  15. 108
  16. 236
  17. 56
  18. 44
  19. 240
  20. 24
  21. 40
  22. 88
  23. 28
  24. 168
  25. 52
  26. 136
  27. 32
  28. 72
  29. 152
  30. 140
  31. 180
  32. 124
  33. 160
  34. 96
  35. 92
  36. 128
  37. 184
  38. 176
  39. 112
  40. 216

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