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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 555 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.44 × 4 =
  2. 2.51 × 4 =
  3. 3.17 × 4 =
  4. 4.8 × 4 =
  5. 5.39 × 4 =
  6. 6.40 × 4 =
  7. 7.48 × 4 =
  8. 8.52 × 4 =
  9. 9.59 × 4 =
  10. 10.53 × 4 =
  11. 11.22 × 4 =
  12. 12.15 × 4 =
  13. 13.10 × 4 =
  14. 14.27 × 4 =
  15. 15.43 × 4 =
  16. 16.41 × 4 =
  17. 17.14 × 4 =
  18. 18.36 × 4 =
  19. 19.46 × 4 =
  20. 20.7 × 4 =
  21. 21.32 × 4 =
  22. 22.50 × 4 =
  23. 23.57 × 4 =
  24. 24.20 × 4 =
  25. 25.45 × 4 =
  26. 26.16 × 4 =
  27. 27.11 × 4 =
  28. 28.12 × 4 =
  29. 29.24 × 4 =
  30. 30.13 × 4 =
  31. 31.21 × 4 =
  32. 32.28 × 4 =
  33. 33.26 × 4 =
  34. 34.38 × 4 =
  35. 35.18 × 4 =
  36. 36.58 × 4 =
  37. 37.55 × 4 =
  38. 38.37 × 4 =
  39. 39.30 × 4 =
  40. 40.20 × 4 =

Answer key

  1. 176
  2. 204
  3. 68
  4. 32
  5. 156
  6. 160
  7. 192
  8. 208
  9. 236
  10. 212
  11. 88
  12. 60
  13. 40
  14. 108
  15. 172
  16. 164
  17. 56
  18. 144
  19. 184
  20. 28
  21. 128
  22. 200
  23. 228
  24. 80
  25. 180
  26. 64
  27. 44
  28. 48
  29. 96
  30. 52
  31. 84
  32. 112
  33. 104
  34. 152
  35. 72
  36. 232
  37. 220
  38. 148
  39. 120
  40. 80

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