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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 569 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.36 × 4 =
  2. 2.42 × 4 =
  3. 3.7 × 4 =
  4. 4.16 × 4 =
  5. 5.20 × 4 =
  6. 6.31 × 4 =
  7. 7.35 × 4 =
  8. 8.17 × 4 =
  9. 9.23 × 4 =
  10. 10.57 × 4 =
  11. 11.60 × 4 =
  12. 12.34 × 4 =
  13. 13.52 × 4 =
  14. 14.30 × 4 =
  15. 15.6 × 4 =
  16. 16.24 × 4 =
  17. 17.26 × 4 =
  18. 18.29 × 4 =
  19. 19.22 × 4 =
  20. 20.41 × 4 =
  21. 21.39 × 4 =
  22. 22.40 × 4 =
  23. 23.51 × 4 =
  24. 24.15 × 4 =
  25. 25.10 × 4 =
  26. 26.59 × 4 =
  27. 27.19 × 4 =
  28. 28.9 × 4 =
  29. 29.11 × 4 =
  30. 30.21 × 4 =
  31. 31.47 × 4 =
  32. 32.50 × 4 =
  33. 33.14 × 4 =
  34. 34.13 × 4 =
  35. 35.43 × 4 =
  36. 36.56 × 4 =
  37. 37.37 × 4 =
  38. 38.18 × 4 =
  39. 39.28 × 4 =
  40. 40.48 × 4 =

Answer key

  1. 144
  2. 168
  3. 28
  4. 64
  5. 80
  6. 124
  7. 140
  8. 68
  9. 92
  10. 228
  11. 240
  12. 136
  13. 208
  14. 120
  15. 24
  16. 96
  17. 104
  18. 116
  19. 88
  20. 164
  21. 156
  22. 160
  23. 204
  24. 60
  25. 40
  26. 236
  27. 76
  28. 36
  29. 44
  30. 84
  31. 188
  32. 200
  33. 56
  34. 52
  35. 172
  36. 224
  37. 148
  38. 72
  39. 112
  40. 192

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