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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 345 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.15 × 4 =
  2. 2.40 × 4 =
  3. 3.44 × 4 =
  4. 4.32 × 4 =
  5. 5.26 × 4 =
  6. 6.9 × 4 =
  7. 7.57 × 4 =
  8. 8.55 × 4 =
  9. 9.51 × 4 =
  10. 10.8 × 4 =
  11. 11.12 × 4 =
  12. 12.13 × 4 =
  13. 13.37 × 4 =
  14. 14.60 × 4 =
  15. 15.14 × 4 =
  16. 16.42 × 4 =
  17. 17.28 × 4 =
  18. 18.46 × 4 =
  19. 19.38 × 4 =
  20. 20.24 × 4 =
  21. 21.48 × 4 =
  22. 22.27 × 4 =
  23. 23.25 × 4 =
  24. 24.36 × 4 =
  25. 25.17 × 4 =
  26. 26.49 × 4 =
  27. 27.39 × 4 =
  28. 28.58 × 4 =
  29. 29.20 × 4 =
  30. 30.30 × 4 =
  31. 31.10 × 4 =
  32. 32.45 × 4 =
  33. 33.53 × 4 =
  34. 34.23 × 4 =
  35. 35.22 × 4 =
  36. 36.50 × 4 =
  37. 37.35 × 4 =
  38. 38.52 × 4 =
  39. 39.43 × 4 =
  40. 40.47 × 4 =

Answer key

  1. 60
  2. 160
  3. 176
  4. 128
  5. 104
  6. 36
  7. 228
  8. 220
  9. 204
  10. 32
  11. 48
  12. 52
  13. 148
  14. 240
  15. 56
  16. 168
  17. 112
  18. 184
  19. 152
  20. 96
  21. 192
  22. 108
  23. 100
  24. 144
  25. 68
  26. 196
  27. 156
  28. 232
  29. 80
  30. 120
  31. 40
  32. 180
  33. 212
  34. 92
  35. 88
  36. 200
  37. 140
  38. 208
  39. 172
  40. 188

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