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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 550 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.25 × 4 =
  2. 2.40 × 4 =
  3. 3.17 × 4 =
  4. 4.13 × 4 =
  5. 5.43 × 4 =
  6. 6.26 × 4 =
  7. 7.28 × 4 =
  8. 8.15 × 4 =
  9. 9.7 × 4 =
  10. 10.37 × 4 =
  11. 11.54 × 4 =
  12. 12.51 × 4 =
  13. 13.16 × 4 =
  14. 14.60 × 4 =
  15. 15.11 × 4 =
  16. 16.42 × 4 =
  17. 17.19 × 4 =
  18. 18.31 × 4 =
  19. 19.59 × 4 =
  20. 20.24 × 4 =
  21. 21.39 × 4 =
  22. 22.38 × 4 =
  23. 23.48 × 4 =
  24. 24.10 × 4 =
  25. 25.21 × 4 =
  26. 26.45 × 4 =
  27. 27.44 × 4 =
  28. 28.6 × 4 =
  29. 29.9 × 4 =
  30. 30.14 × 4 =
  31. 31.53 × 4 =
  32. 32.18 × 4 =
  33. 33.23 × 4 =
  34. 34.32 × 4 =
  35. 35.20 × 4 =
  36. 36.57 × 4 =
  37. 37.34 × 4 =
  38. 38.36 × 4 =
  39. 39.30 × 4 =
  40. 40.27 × 4 =

Answer key

  1. 100
  2. 160
  3. 68
  4. 52
  5. 172
  6. 104
  7. 112
  8. 60
  9. 28
  10. 148
  11. 216
  12. 204
  13. 64
  14. 240
  15. 44
  16. 168
  17. 76
  18. 124
  19. 236
  20. 96
  21. 156
  22. 152
  23. 192
  24. 40
  25. 84
  26. 180
  27. 176
  28. 24
  29. 36
  30. 56
  31. 212
  32. 72
  33. 92
  34. 128
  35. 80
  36. 228
  37. 136
  38. 144
  39. 120
  40. 108

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