← Times 4: double, double lesson New set →

Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 544 · 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. 2.41 × 4 =
  3. 3.21 × 4 =
  4. 4.18 × 4 =
  5. 5.32 × 4 =
  6. 6.58 × 4 =
  7. 7.25 × 4 =
  8. 8.22 × 4 =
  9. 9.16 × 4 =
  10. 10.42 × 4 =
  11. 11.34 × 4 =
  12. 12.9 × 4 =
  13. 13.10 × 4 =
  14. 14.40 × 4 =
  15. 15.8 × 4 =
  16. 16.7 × 4 =
  17. 17.14 × 4 =
  18. 18.39 × 4 =
  19. 19.13 × 4 =
  20. 20.29 × 4 =
  21. 21.6 × 4 =
  22. 22.33 × 4 =
  23. 23.19 × 4 =
  24. 24.49 × 4 =
  25. 25.56 × 4 =
  26. 26.57 × 4 =
  27. 27.38 × 4 =
  28. 28.31 × 4 =
  29. 29.60 × 4 =
  30. 30.59 × 4 =
  31. 31.45 × 4 =
  32. 32.46 × 4 =
  33. 33.26 × 4 =
  34. 34.51 × 4 =
  35. 35.11 × 4 =
  36. 36.54 × 4 =
  37. 37.53 × 4 =
  38. 38.43 × 4 =
  39. 39.47 × 4 =
  40. 40.19 × 4 =

Answer key

  1. 60
  2. 164
  3. 84
  4. 72
  5. 128
  6. 232
  7. 100
  8. 88
  9. 64
  10. 168
  11. 136
  12. 36
  13. 40
  14. 160
  15. 32
  16. 28
  17. 56
  18. 156
  19. 52
  20. 116
  21. 24
  22. 132
  23. 76
  24. 196
  25. 224
  26. 228
  27. 152
  28. 124
  29. 240
  30. 236
  31. 180
  32. 184
  33. 104
  34. 204
  35. 44
  36. 216
  37. 212
  38. 172
  39. 188
  40. 76

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