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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 537 · 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. 2.53 × 4 =
  3. 3.57 × 4 =
  4. 4.13 × 4 =
  5. 5.41 × 4 =
  6. 6.47 × 4 =
  7. 7.19 × 4 =
  8. 8.37 × 4 =
  9. 9.22 × 4 =
  10. 10.10 × 4 =
  11. 11.17 × 4 =
  12. 12.25 × 4 =
  13. 13.16 × 4 =
  14. 14.31 × 4 =
  15. 15.59 × 4 =
  16. 16.33 × 4 =
  17. 17.36 × 4 =
  18. 18.9 × 4 =
  19. 19.6 × 4 =
  20. 20.30 × 4 =
  21. 21.12 × 4 =
  22. 22.34 × 4 =
  23. 23.46 × 4 =
  24. 24.43 × 4 =
  25. 25.45 × 4 =
  26. 26.32 × 4 =
  27. 27.23 × 4 =
  28. 28.55 × 4 =
  29. 29.15 × 4 =
  30. 30.27 × 4 =
  31. 31.52 × 4 =
  32. 32.8 × 4 =
  33. 33.14 × 4 =
  34. 34.39 × 4 =
  35. 35.20 × 4 =
  36. 36.51 × 4 =
  37. 37.48 × 4 =
  38. 38.54 × 4 =
  39. 39.24 × 4 =
  40. 40.29 × 4 =

Answer key

  1. 28
  2. 212
  3. 228
  4. 52
  5. 164
  6. 188
  7. 76
  8. 148
  9. 88
  10. 40
  11. 68
  12. 100
  13. 64
  14. 124
  15. 236
  16. 132
  17. 144
  18. 36
  19. 24
  20. 120
  21. 48
  22. 136
  23. 184
  24. 172
  25. 180
  26. 128
  27. 92
  28. 220
  29. 60
  30. 108
  31. 208
  32. 32
  33. 56
  34. 156
  35. 80
  36. 204
  37. 192
  38. 216
  39. 96
  40. 116

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