← Times 4: double, double lesson New set →

Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 749 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.35 × 4 =
  2. 2.45 × 4 =
  3. 3.10 × 4 =
  4. 4.15 × 4 =
  5. 5.31 × 4 =
  6. 6.50 × 4 =
  7. 7.53 × 4 =
  8. 8.18 × 4 =
  9. 9.57 × 4 =
  10. 10.11 × 4 =
  11. 11.33 × 4 =
  12. 12.54 × 4 =
  13. 13.52 × 4 =
  14. 14.38 × 4 =
  15. 15.32 × 4 =
  16. 16.22 × 4 =
  17. 17.60 × 4 =
  18. 18.19 × 4 =
  19. 19.39 × 4 =
  20. 20.9 × 4 =
  21. 21.46 × 4 =
  22. 22.41 × 4 =
  23. 23.8 × 4 =
  24. 24.40 × 4 =
  25. 25.59 × 4 =
  26. 26.48 × 4 =
  27. 27.25 × 4 =
  28. 28.55 × 4 =
  29. 29.49 × 4 =
  30. 30.24 × 4 =
  31. 31.42 × 4 =
  32. 32.21 × 4 =
  33. 33.51 × 4 =
  34. 34.16 × 4 =
  35. 35.13 × 4 =
  36. 36.23 × 4 =
  37. 37.14 × 4 =
  38. 38.44 × 4 =
  39. 39.12 × 4 =
  40. 40.36 × 4 =

Answer key

  1. 140
  2. 180
  3. 40
  4. 60
  5. 124
  6. 200
  7. 212
  8. 72
  9. 228
  10. 44
  11. 132
  12. 216
  13. 208
  14. 152
  15. 128
  16. 88
  17. 240
  18. 76
  19. 156
  20. 36
  21. 184
  22. 164
  23. 32
  24. 160
  25. 236
  26. 192
  27. 100
  28. 220
  29. 196
  30. 96
  31. 168
  32. 84
  33. 204
  34. 64
  35. 52
  36. 92
  37. 56
  38. 176
  39. 48
  40. 144

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