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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 713 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.45 × 4 =
  2. 2.15 × 4 =
  3. 3.52 × 4 =
  4. 4.20 × 4 =
  5. 5.26 × 4 =
  6. 6.16 × 4 =
  7. 7.47 × 4 =
  8. 8.36 × 4 =
  9. 9.10 × 4 =
  10. 10.18 × 4 =
  11. 11.60 × 4 =
  12. 12.51 × 4 =
  13. 13.55 × 4 =
  14. 14.56 × 4 =
  15. 15.59 × 4 =
  16. 16.13 × 4 =
  17. 17.35 × 4 =
  18. 18.7 × 4 =
  19. 19.43 × 4 =
  20. 20.23 × 4 =
  21. 21.8 × 4 =
  22. 22.31 × 4 =
  23. 23.25 × 4 =
  24. 24.17 × 4 =
  25. 25.39 × 4 =
  26. 26.41 × 4 =
  27. 27.38 × 4 =
  28. 28.14 × 4 =
  29. 29.58 × 4 =
  30. 30.48 × 4 =
  31. 31.11 × 4 =
  32. 32.28 × 4 =
  33. 33.12 × 4 =
  34. 34.37 × 4 =
  35. 35.22 × 4 =
  36. 36.30 × 4 =
  37. 37.32 × 4 =
  38. 38.21 × 4 =
  39. 39.50 × 4 =
  40. 40.57 × 4 =

Answer key

  1. 180
  2. 60
  3. 208
  4. 80
  5. 104
  6. 64
  7. 188
  8. 144
  9. 40
  10. 72
  11. 240
  12. 204
  13. 220
  14. 224
  15. 236
  16. 52
  17. 140
  18. 28
  19. 172
  20. 92
  21. 32
  22. 124
  23. 100
  24. 68
  25. 156
  26. 164
  27. 152
  28. 56
  29. 232
  30. 192
  31. 44
  32. 112
  33. 48
  34. 148
  35. 88
  36. 120
  37. 128
  38. 84
  39. 200
  40. 228

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