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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 904 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.25 × 4 =
  2. 2.28 × 4 =
  3. 3.54 × 4 =
  4. 4.20 × 4 =
  5. 5.8 × 4 =
  6. 6.30 × 4 =
  7. 7.40 × 4 =
  8. 8.24 × 4 =
  9. 9.26 × 4 =
  10. 10.51 × 4 =
  11. 11.9 × 4 =
  12. 12.49 × 4 =
  13. 13.27 × 4 =
  14. 14.36 × 4 =
  15. 15.44 × 4 =
  16. 16.12 × 4 =
  17. 17.21 × 4 =
  18. 18.42 × 4 =
  19. 19.18 × 4 =
  20. 20.46 × 4 =
  21. 21.19 × 4 =
  22. 22.48 × 4 =
  23. 23.43 × 4 =
  24. 24.57 × 4 =
  25. 25.41 × 4 =
  26. 26.37 × 4 =
  27. 27.10 × 4 =
  28. 28.50 × 4 =
  29. 29.39 × 4 =
  30. 30.22 × 4 =
  31. 31.55 × 4 =
  32. 32.58 × 4 =
  33. 33.13 × 4 =
  34. 34.11 × 4 =
  35. 35.23 × 4 =
  36. 36.6 × 4 =
  37. 37.59 × 4 =
  38. 38.16 × 4 =
  39. 39.7 × 4 =
  40. 40.38 × 4 =

Answer key

  1. 100
  2. 112
  3. 216
  4. 80
  5. 32
  6. 120
  7. 160
  8. 96
  9. 104
  10. 204
  11. 36
  12. 196
  13. 108
  14. 144
  15. 176
  16. 48
  17. 84
  18. 168
  19. 72
  20. 184
  21. 76
  22. 192
  23. 172
  24. 228
  25. 164
  26. 148
  27. 40
  28. 200
  29. 156
  30. 88
  31. 220
  32. 232
  33. 52
  34. 44
  35. 92
  36. 24
  37. 236
  38. 64
  39. 28
  40. 152

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