← Times 4: double, double lesson New set →

Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 811 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.24 × 4 =
  2. 2.58 × 4 =
  3. 3.32 × 4 =
  4. 4.57 × 4 =
  5. 5.23 × 4 =
  6. 6.31 × 4 =
  7. 7.20 × 4 =
  8. 8.13 × 4 =
  9. 9.11 × 4 =
  10. 10.55 × 4 =
  11. 11.39 × 4 =
  12. 12.43 × 4 =
  13. 13.54 × 4 =
  14. 14.18 × 4 =
  15. 15.52 × 4 =
  16. 16.16 × 4 =
  17. 17.53 × 4 =
  18. 18.40 × 4 =
  19. 19.10 × 4 =
  20. 20.51 × 4 =
  21. 21.34 × 4 =
  22. 22.26 × 4 =
  23. 23.21 × 4 =
  24. 24.30 × 4 =
  25. 25.8 × 4 =
  26. 26.17 × 4 =
  27. 27.49 × 4 =
  28. 28.25 × 4 =
  29. 29.60 × 4 =
  30. 30.42 × 4 =
  31. 31.27 × 4 =
  32. 32.6 × 4 =
  33. 33.37 × 4 =
  34. 34.22 × 4 =
  35. 35.44 × 4 =
  36. 36.38 × 4 =
  37. 37.28 × 4 =
  38. 38.14 × 4 =
  39. 39.50 × 4 =
  40. 40.59 × 4 =

Answer key

  1. 96
  2. 232
  3. 128
  4. 228
  5. 92
  6. 124
  7. 80
  8. 52
  9. 44
  10. 220
  11. 156
  12. 172
  13. 216
  14. 72
  15. 208
  16. 64
  17. 212
  18. 160
  19. 40
  20. 204
  21. 136
  22. 104
  23. 84
  24. 120
  25. 32
  26. 68
  27. 196
  28. 100
  29. 240
  30. 168
  31. 108
  32. 24
  33. 148
  34. 88
  35. 176
  36. 152
  37. 112
  38. 56
  39. 200
  40. 236

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