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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 343 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.17 × 4 =
  2. 2.14 × 4 =
  3. 3.35 × 4 =
  4. 4.45 × 4 =
  5. 5.31 × 4 =
  6. 6.30 × 4 =
  7. 7.43 × 4 =
  8. 8.54 × 4 =
  9. 9.27 × 4 =
  10. 10.49 × 4 =
  11. 11.15 × 4 =
  12. 12.28 × 4 =
  13. 13.11 × 4 =
  14. 14.60 × 4 =
  15. 15.44 × 4 =
  16. 16.6 × 4 =
  17. 17.19 × 4 =
  18. 18.9 × 4 =
  19. 19.25 × 4 =
  20. 20.37 × 4 =
  21. 21.38 × 4 =
  22. 22.29 × 4 =
  23. 23.10 × 4 =
  24. 24.18 × 4 =
  25. 25.20 × 4 =
  26. 26.13 × 4 =
  27. 27.33 × 4 =
  28. 28.51 × 4 =
  29. 29.55 × 4 =
  30. 30.57 × 4 =
  31. 31.21 × 4 =
  32. 32.39 × 4 =
  33. 33.59 × 4 =
  34. 34.8 × 4 =
  35. 35.16 × 4 =
  36. 36.41 × 4 =
  37. 37.32 × 4 =
  38. 38.22 × 4 =
  39. 39.58 × 4 =
  40. 40.46 × 4 =

Answer key

  1. 68
  2. 56
  3. 140
  4. 180
  5. 124
  6. 120
  7. 172
  8. 216
  9. 108
  10. 196
  11. 60
  12. 112
  13. 44
  14. 240
  15. 176
  16. 24
  17. 76
  18. 36
  19. 100
  20. 148
  21. 152
  22. 116
  23. 40
  24. 72
  25. 80
  26. 52
  27. 132
  28. 204
  29. 220
  30. 228
  31. 84
  32. 156
  33. 236
  34. 32
  35. 64
  36. 164
  37. 128
  38. 88
  39. 232
  40. 184

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