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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 426 · 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. 2.52 × 4 =
  3. 3.19 × 4 =
  4. 4.13 × 4 =
  5. 5.11 × 4 =
  6. 6.53 × 4 =
  7. 7.26 × 4 =
  8. 8.29 × 4 =
  9. 9.7 × 4 =
  10. 10.33 × 4 =
  11. 11.12 × 4 =
  12. 12.48 × 4 =
  13. 13.14 × 4 =
  14. 14.24 × 4 =
  15. 15.9 × 4 =
  16. 16.32 × 4 =
  17. 17.30 × 4 =
  18. 18.20 × 4 =
  19. 19.36 × 4 =
  20. 20.59 × 4 =
  21. 21.31 × 4 =
  22. 22.45 × 4 =
  23. 23.51 × 4 =
  24. 24.25 × 4 =
  25. 25.38 × 4 =
  26. 26.35 × 4 =
  27. 27.46 × 4 =
  28. 28.6 × 4 =
  29. 29.50 × 4 =
  30. 30.49 × 4 =
  31. 31.15 × 4 =
  32. 32.58 × 4 =
  33. 33.17 × 4 =
  34. 34.44 × 4 =
  35. 35.21 × 4 =
  36. 36.18 × 4 =
  37. 37.34 × 4 =
  38. 38.55 × 4 =
  39. 39.60 × 4 =
  40. 40.43 × 4 =

Answer key

  1. 164
  2. 208
  3. 76
  4. 52
  5. 44
  6. 212
  7. 104
  8. 116
  9. 28
  10. 132
  11. 48
  12. 192
  13. 56
  14. 96
  15. 36
  16. 128
  17. 120
  18. 80
  19. 144
  20. 236
  21. 124
  22. 180
  23. 204
  24. 100
  25. 152
  26. 140
  27. 184
  28. 24
  29. 200
  30. 196
  31. 60
  32. 232
  33. 68
  34. 176
  35. 84
  36. 72
  37. 136
  38. 220
  39. 240
  40. 172

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