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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 783 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.58 × 4 =
  2. 2.60 × 4 =
  3. 3.20 × 4 =
  4. 4.10 × 4 =
  5. 5.6 × 4 =
  6. 6.29 × 4 =
  7. 7.55 × 4 =
  8. 8.16 × 4 =
  9. 9.57 × 4 =
  10. 10.12 × 4 =
  11. 11.13 × 4 =
  12. 12.47 × 4 =
  13. 13.54 × 4 =
  14. 14.45 × 4 =
  15. 15.46 × 4 =
  16. 16.7 × 4 =
  17. 17.14 × 4 =
  18. 18.51 × 4 =
  19. 19.33 × 4 =
  20. 20.49 × 4 =
  21. 21.19 × 4 =
  22. 22.11 × 4 =
  23. 23.21 × 4 =
  24. 24.15 × 4 =
  25. 25.53 × 4 =
  26. 26.31 × 4 =
  27. 27.41 × 4 =
  28. 28.40 × 4 =
  29. 29.27 × 4 =
  30. 30.50 × 4 =
  31. 31.39 × 4 =
  32. 32.17 × 4 =
  33. 33.34 × 4 =
  34. 34.9 × 4 =
  35. 35.35 × 4 =
  36. 36.52 × 4 =
  37. 37.22 × 4 =
  38. 38.48 × 4 =
  39. 39.8 × 4 =
  40. 40.43 × 4 =

Answer key

  1. 232
  2. 240
  3. 80
  4. 40
  5. 24
  6. 116
  7. 220
  8. 64
  9. 228
  10. 48
  11. 52
  12. 188
  13. 216
  14. 180
  15. 184
  16. 28
  17. 56
  18. 204
  19. 132
  20. 196
  21. 76
  22. 44
  23. 84
  24. 60
  25. 212
  26. 124
  27. 164
  28. 160
  29. 108
  30. 200
  31. 156
  32. 68
  33. 136
  34. 36
  35. 140
  36. 208
  37. 88
  38. 192
  39. 32
  40. 172

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