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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 165 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.9 × 4 =
  2. 2.11 × 4 =
  3. 3.23 × 4 =
  4. 4.41 × 4 =
  5. 5.46 × 4 =
  6. 6.32 × 4 =
  7. 7.37 × 4 =
  8. 8.21 × 4 =
  9. 9.55 × 4 =
  10. 10.12 × 4 =
  11. 11.24 × 4 =
  12. 12.50 × 4 =
  13. 13.19 × 4 =
  14. 14.60 × 4 =
  15. 15.42 × 4 =
  16. 16.30 × 4 =
  17. 17.53 × 4 =
  18. 18.39 × 4 =
  19. 19.54 × 4 =
  20. 20.15 × 4 =
  21. 21.31 × 4 =
  22. 22.27 × 4 =
  23. 23.22 × 4 =
  24. 24.29 × 4 =
  25. 25.35 × 4 =
  26. 26.56 × 4 =
  27. 27.25 × 4 =
  28. 28.38 × 4 =
  29. 29.18 × 4 =
  30. 30.6 × 4 =
  31. 31.45 × 4 =
  32. 32.20 × 4 =
  33. 33.43 × 4 =
  34. 34.44 × 4 =
  35. 35.13 × 4 =
  36. 36.33 × 4 =
  37. 37.10 × 4 =
  38. 38.7 × 4 =
  39. 39.49 × 4 =
  40. 40.52 × 4 =

Answer key

  1. 36
  2. 44
  3. 92
  4. 164
  5. 184
  6. 128
  7. 148
  8. 84
  9. 220
  10. 48
  11. 96
  12. 200
  13. 76
  14. 240
  15. 168
  16. 120
  17. 212
  18. 156
  19. 216
  20. 60
  21. 124
  22. 108
  23. 88
  24. 116
  25. 140
  26. 224
  27. 100
  28. 152
  29. 72
  30. 24
  31. 180
  32. 80
  33. 172
  34. 176
  35. 52
  36. 132
  37. 40
  38. 28
  39. 196
  40. 208

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