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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 779 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.25 × 4 =
  2. 2.32 × 4 =
  3. 3.43 × 4 =
  4. 4.19 × 4 =
  5. 5.23 × 4 =
  6. 6.48 × 4 =
  7. 7.52 × 4 =
  8. 8.7 × 4 =
  9. 9.53 × 4 =
  10. 10.12 × 4 =
  11. 11.51 × 4 =
  12. 12.11 × 4 =
  13. 13.8 × 4 =
  14. 14.41 × 4 =
  15. 15.13 × 4 =
  16. 16.6 × 4 =
  17. 17.45 × 4 =
  18. 18.47 × 4 =
  19. 19.15 × 4 =
  20. 20.18 × 4 =
  21. 21.22 × 4 =
  22. 22.27 × 4 =
  23. 23.33 × 4 =
  24. 24.36 × 4 =
  25. 25.34 × 4 =
  26. 26.46 × 4 =
  27. 27.60 × 4 =
  28. 28.59 × 4 =
  29. 29.39 × 4 =
  30. 30.14 × 4 =
  31. 31.30 × 4 =
  32. 32.35 × 4 =
  33. 33.26 × 4 =
  34. 34.37 × 4 =
  35. 35.16 × 4 =
  36. 36.10 × 4 =
  37. 37.55 × 4 =
  38. 38.31 × 4 =
  39. 39.54 × 4 =
  40. 40.28 × 4 =

Answer key

  1. 100
  2. 128
  3. 172
  4. 76
  5. 92
  6. 192
  7. 208
  8. 28
  9. 212
  10. 48
  11. 204
  12. 44
  13. 32
  14. 164
  15. 52
  16. 24
  17. 180
  18. 188
  19. 60
  20. 72
  21. 88
  22. 108
  23. 132
  24. 144
  25. 136
  26. 184
  27. 240
  28. 236
  29. 156
  30. 56
  31. 120
  32. 140
  33. 104
  34. 148
  35. 64
  36. 40
  37. 220
  38. 124
  39. 216
  40. 112

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