← Times 4: double, double lesson New set →

Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 102 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.16 × 4 =
  2. 2.21 × 4 =
  3. 3.55 × 4 =
  4. 4.32 × 4 =
  5. 5.26 × 4 =
  6. 6.34 × 4 =
  7. 7.14 × 4 =
  8. 8.51 × 4 =
  9. 9.42 × 4 =
  10. 10.52 × 4 =
  11. 11.57 × 4 =
  12. 12.46 × 4 =
  13. 13.15 × 4 =
  14. 14.13 × 4 =
  15. 15.44 × 4 =
  16. 16.25 × 4 =
  17. 17.28 × 4 =
  18. 18.7 × 4 =
  19. 19.33 × 4 =
  20. 20.38 × 4 =
  21. 21.36 × 4 =
  22. 22.29 × 4 =
  23. 23.24 × 4 =
  24. 24.17 × 4 =
  25. 25.54 × 4 =
  26. 26.20 × 4 =
  27. 27.8 × 4 =
  28. 28.9 × 4 =
  29. 29.10 × 4 =
  30. 30.53 × 4 =
  31. 31.41 × 4 =
  32. 32.43 × 4 =
  33. 33.40 × 4 =
  34. 34.11 × 4 =
  35. 35.27 × 4 =
  36. 36.50 × 4 =
  37. 37.31 × 4 =
  38. 38.23 × 4 =
  39. 39.35 × 4 =
  40. 40.60 × 4 =

Answer key

  1. 64
  2. 84
  3. 220
  4. 128
  5. 104
  6. 136
  7. 56
  8. 204
  9. 168
  10. 208
  11. 228
  12. 184
  13. 60
  14. 52
  15. 176
  16. 100
  17. 112
  18. 28
  19. 132
  20. 152
  21. 144
  22. 116
  23. 96
  24. 68
  25. 216
  26. 80
  27. 32
  28. 36
  29. 40
  30. 212
  31. 164
  32. 172
  33. 160
  34. 44
  35. 108
  36. 200
  37. 124
  38. 92
  39. 140
  40. 240

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