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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 872 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.7 × 4 =
  2. 2.10 × 4 =
  3. 3.33 × 4 =
  4. 4.58 × 4 =
  5. 5.32 × 4 =
  6. 6.43 × 4 =
  7. 7.13 × 4 =
  8. 8.60 × 4 =
  9. 9.30 × 4 =
  10. 10.53 × 4 =
  11. 11.25 × 4 =
  12. 12.15 × 4 =
  13. 13.42 × 4 =
  14. 14.9 × 4 =
  15. 15.21 × 4 =
  16. 16.16 × 4 =
  17. 17.39 × 4 =
  18. 18.12 × 4 =
  19. 19.14 × 4 =
  20. 20.24 × 4 =
  21. 21.11 × 4 =
  22. 22.19 × 4 =
  23. 23.48 × 4 =
  24. 24.18 × 4 =
  25. 25.51 × 4 =
  26. 26.31 × 4 =
  27. 27.47 × 4 =
  28. 28.52 × 4 =
  29. 29.57 × 4 =
  30. 30.17 × 4 =
  31. 31.26 × 4 =
  32. 32.35 × 4 =
  33. 33.46 × 4 =
  34. 34.41 × 4 =
  35. 35.27 × 4 =
  36. 36.28 × 4 =
  37. 37.34 × 4 =
  38. 38.49 × 4 =
  39. 39.8 × 4 =
  40. 40.50 × 4 =

Answer key

  1. 28
  2. 40
  3. 132
  4. 232
  5. 128
  6. 172
  7. 52
  8. 240
  9. 120
  10. 212
  11. 100
  12. 60
  13. 168
  14. 36
  15. 84
  16. 64
  17. 156
  18. 48
  19. 56
  20. 96
  21. 44
  22. 76
  23. 192
  24. 72
  25. 204
  26. 124
  27. 188
  28. 208
  29. 228
  30. 68
  31. 104
  32. 140
  33. 184
  34. 164
  35. 108
  36. 112
  37. 136
  38. 196
  39. 32
  40. 200

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