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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 776 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.41 × 4 =
  2. 2.18 × 4 =
  3. 3.6 × 4 =
  4. 4.9 × 4 =
  5. 5.24 × 4 =
  6. 6.55 × 4 =
  7. 7.51 × 4 =
  8. 8.36 × 4 =
  9. 9.53 × 4 =
  10. 10.33 × 4 =
  11. 11.13 × 4 =
  12. 12.39 × 4 =
  13. 13.25 × 4 =
  14. 14.15 × 4 =
  15. 15.50 × 4 =
  16. 16.40 × 4 =
  17. 17.45 × 4 =
  18. 18.16 × 4 =
  19. 19.7 × 4 =
  20. 20.32 × 4 =
  21. 21.46 × 4 =
  22. 22.47 × 4 =
  23. 23.57 × 4 =
  24. 24.43 × 4 =
  25. 25.35 × 4 =
  26. 26.21 × 4 =
  27. 27.52 × 4 =
  28. 28.31 × 4 =
  29. 29.27 × 4 =
  30. 30.26 × 4 =
  31. 31.11 × 4 =
  32. 32.8 × 4 =
  33. 33.58 × 4 =
  34. 34.60 × 4 =
  35. 35.17 × 4 =
  36. 36.19 × 4 =
  37. 37.30 × 4 =
  38. 38.10 × 4 =
  39. 39.37 × 4 =
  40. 40.20 × 4 =

Answer key

  1. 164
  2. 72
  3. 24
  4. 36
  5. 96
  6. 220
  7. 204
  8. 144
  9. 212
  10. 132
  11. 52
  12. 156
  13. 100
  14. 60
  15. 200
  16. 160
  17. 180
  18. 64
  19. 28
  20. 128
  21. 184
  22. 188
  23. 228
  24. 172
  25. 140
  26. 84
  27. 208
  28. 124
  29. 108
  30. 104
  31. 44
  32. 32
  33. 232
  34. 240
  35. 68
  36. 76
  37. 120
  38. 40
  39. 148
  40. 80

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