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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 319 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.42 × 4 =
  2. 2.34 × 4 =
  3. 3.54 × 4 =
  4. 4.18 × 4 =
  5. 5.10 × 4 =
  6. 6.12 × 4 =
  7. 7.53 × 4 =
  8. 8.11 × 4 =
  9. 9.58 × 4 =
  10. 10.36 × 4 =
  11. 11.30 × 4 =
  12. 12.45 × 4 =
  13. 13.24 × 4 =
  14. 14.32 × 4 =
  15. 15.31 × 4 =
  16. 16.35 × 4 =
  17. 17.22 × 4 =
  18. 18.20 × 4 =
  19. 19.28 × 4 =
  20. 20.46 × 4 =
  21. 21.9 × 4 =
  22. 22.7 × 4 =
  23. 23.43 × 4 =
  24. 24.39 × 4 =
  25. 25.59 × 4 =
  26. 26.47 × 4 =
  27. 27.52 × 4 =
  28. 28.50 × 4 =
  29. 29.44 × 4 =
  30. 30.48 × 4 =
  31. 31.27 × 4 =
  32. 32.25 × 4 =
  33. 33.23 × 4 =
  34. 34.29 × 4 =
  35. 35.60 × 4 =
  36. 36.15 × 4 =
  37. 37.14 × 4 =
  38. 38.13 × 4 =
  39. 39.6 × 4 =
  40. 40.16 × 4 =

Answer key

  1. 168
  2. 136
  3. 216
  4. 72
  5. 40
  6. 48
  7. 212
  8. 44
  9. 232
  10. 144
  11. 120
  12. 180
  13. 96
  14. 128
  15. 124
  16. 140
  17. 88
  18. 80
  19. 112
  20. 184
  21. 36
  22. 28
  23. 172
  24. 156
  25. 236
  26. 188
  27. 208
  28. 200
  29. 176
  30. 192
  31. 108
  32. 100
  33. 92
  34. 116
  35. 240
  36. 60
  37. 56
  38. 52
  39. 24
  40. 64

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