← Times 4: double, double lesson New set →

Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 31 · 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. 2.41 × 4 =
  3. 3.6 × 4 =
  4. 4.46 × 4 =
  5. 5.40 × 4 =
  6. 6.18 × 4 =
  7. 7.35 × 4 =
  8. 8.38 × 4 =
  9. 9.44 × 4 =
  10. 10.47 × 4 =
  11. 11.14 × 4 =
  12. 12.15 × 4 =
  13. 13.10 × 4 =
  14. 14.50 × 4 =
  15. 15.59 × 4 =
  16. 16.11 × 4 =
  17. 17.55 × 4 =
  18. 18.57 × 4 =
  19. 19.53 × 4 =
  20. 20.17 × 4 =
  21. 21.22 × 4 =
  22. 22.48 × 4 =
  23. 23.20 × 4 =
  24. 24.39 × 4 =
  25. 25.52 × 4 =
  26. 26.27 × 4 =
  27. 27.34 × 4 =
  28. 28.19 × 4 =
  29. 29.42 × 4 =
  30. 30.32 × 4 =
  31. 31.60 × 4 =
  32. 32.43 × 4 =
  33. 33.24 × 4 =
  34. 34.29 × 4 =
  35. 35.21 × 4 =
  36. 36.49 × 4 =
  37. 37.36 × 4 =
  38. 38.7 × 4 =
  39. 39.31 × 4 =
  40. 40.26 × 4 =

Answer key

  1. 64
  2. 164
  3. 24
  4. 184
  5. 160
  6. 72
  7. 140
  8. 152
  9. 176
  10. 188
  11. 56
  12. 60
  13. 40
  14. 200
  15. 236
  16. 44
  17. 220
  18. 228
  19. 212
  20. 68
  21. 88
  22. 192
  23. 80
  24. 156
  25. 208
  26. 108
  27. 136
  28. 76
  29. 168
  30. 128
  31. 240
  32. 172
  33. 96
  34. 116
  35. 84
  36. 196
  37. 144
  38. 28
  39. 124
  40. 104

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