← Times 4: double, double lesson New set →

Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 441 · 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. 2.16 × 4 =
  3. 3.37 × 4 =
  4. 4.9 × 4 =
  5. 5.30 × 4 =
  6. 6.45 × 4 =
  7. 7.49 × 4 =
  8. 8.32 × 4 =
  9. 9.52 × 4 =
  10. 10.53 × 4 =
  11. 11.54 × 4 =
  12. 12.48 × 4 =
  13. 13.17 × 4 =
  14. 14.59 × 4 =
  15. 15.31 × 4 =
  16. 16.46 × 4 =
  17. 17.18 × 4 =
  18. 18.14 × 4 =
  19. 19.34 × 4 =
  20. 20.57 × 4 =
  21. 21.51 × 4 =
  22. 22.44 × 4 =
  23. 23.28 × 4 =
  24. 24.12 × 4 =
  25. 25.24 × 4 =
  26. 26.39 × 4 =
  27. 27.26 × 4 =
  28. 28.6 × 4 =
  29. 29.47 × 4 =
  30. 30.21 × 4 =
  31. 31.60 × 4 =
  32. 32.20 × 4 =
  33. 33.23 × 4 =
  34. 34.27 × 4 =
  35. 35.29 × 4 =
  36. 36.22 × 4 =
  37. 37.50 × 4 =
  38. 38.13 × 4 =
  39. 39.25 × 4 =
  40. 40.58 × 4 =

Answer key

  1. 60
  2. 64
  3. 148
  4. 36
  5. 120
  6. 180
  7. 196
  8. 128
  9. 208
  10. 212
  11. 216
  12. 192
  13. 68
  14. 236
  15. 124
  16. 184
  17. 72
  18. 56
  19. 136
  20. 228
  21. 204
  22. 176
  23. 112
  24. 48
  25. 96
  26. 156
  27. 104
  28. 24
  29. 188
  30. 84
  31. 240
  32. 80
  33. 92
  34. 108
  35. 116
  36. 88
  37. 200
  38. 52
  39. 100
  40. 232

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