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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 342 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.42 × 4 =
  2. 2.25 × 4 =
  3. 3.44 × 4 =
  4. 4.41 × 4 =
  5. 5.57 × 4 =
  6. 6.12 × 4 =
  7. 7.36 × 4 =
  8. 8.55 × 4 =
  9. 9.15 × 4 =
  10. 10.24 × 4 =
  11. 11.8 × 4 =
  12. 12.39 × 4 =
  13. 13.20 × 4 =
  14. 14.28 × 4 =
  15. 15.6 × 4 =
  16. 16.35 × 4 =
  17. 17.22 × 4 =
  18. 18.9 × 4 =
  19. 19.31 × 4 =
  20. 20.23 × 4 =
  21. 21.47 × 4 =
  22. 22.26 × 4 =
  23. 23.60 × 4 =
  24. 24.17 × 4 =
  25. 25.11 × 4 =
  26. 26.38 × 4 =
  27. 27.21 × 4 =
  28. 28.27 × 4 =
  29. 29.32 × 4 =
  30. 30.14 × 4 =
  31. 31.29 × 4 =
  32. 32.43 × 4 =
  33. 33.48 × 4 =
  34. 34.54 × 4 =
  35. 35.19 × 4 =
  36. 36.46 × 4 =
  37. 37.13 × 4 =
  38. 38.40 × 4 =
  39. 39.34 × 4 =
  40. 40.56 × 4 =

Answer key

  1. 168
  2. 100
  3. 176
  4. 164
  5. 228
  6. 48
  7. 144
  8. 220
  9. 60
  10. 96
  11. 32
  12. 156
  13. 80
  14. 112
  15. 24
  16. 140
  17. 88
  18. 36
  19. 124
  20. 92
  21. 188
  22. 104
  23. 240
  24. 68
  25. 44
  26. 152
  27. 84
  28. 108
  29. 128
  30. 56
  31. 116
  32. 172
  33. 192
  34. 216
  35. 76
  36. 184
  37. 52
  38. 160
  39. 136
  40. 224

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