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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 722 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.34 × 4 =
  2. 2.41 × 4 =
  3. 3.50 × 4 =
  4. 4.25 × 4 =
  5. 5.9 × 4 =
  6. 6.43 × 4 =
  7. 7.27 × 4 =
  8. 8.35 × 4 =
  9. 9.60 × 4 =
  10. 10.42 × 4 =
  11. 11.21 × 4 =
  12. 12.36 × 4 =
  13. 13.8 × 4 =
  14. 14.39 × 4 =
  15. 15.19 × 4 =
  16. 16.11 × 4 =
  17. 17.15 × 4 =
  18. 18.23 × 4 =
  19. 19.10 × 4 =
  20. 20.56 × 4 =
  21. 21.14 × 4 =
  22. 22.38 × 4 =
  23. 23.32 × 4 =
  24. 24.20 × 4 =
  25. 25.49 × 4 =
  26. 26.22 × 4 =
  27. 27.33 × 4 =
  28. 28.58 × 4 =
  29. 29.51 × 4 =
  30. 30.30 × 4 =
  31. 31.54 × 4 =
  32. 32.31 × 4 =
  33. 33.52 × 4 =
  34. 34.26 × 4 =
  35. 35.29 × 4 =
  36. 36.17 × 4 =
  37. 37.55 × 4 =
  38. 38.46 × 4 =
  39. 39.7 × 4 =
  40. 40.47 × 4 =

Answer key

  1. 136
  2. 164
  3. 200
  4. 100
  5. 36
  6. 172
  7. 108
  8. 140
  9. 240
  10. 168
  11. 84
  12. 144
  13. 32
  14. 156
  15. 76
  16. 44
  17. 60
  18. 92
  19. 40
  20. 224
  21. 56
  22. 152
  23. 128
  24. 80
  25. 196
  26. 88
  27. 132
  28. 232
  29. 204
  30. 120
  31. 216
  32. 124
  33. 208
  34. 104
  35. 116
  36. 68
  37. 220
  38. 184
  39. 28
  40. 188

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