← Times 4: double, double lesson New set →

Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 377 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.24 × 4 =
  2. 2.22 × 4 =
  3. 3.11 × 4 =
  4. 4.55 × 4 =
  5. 5.25 × 4 =
  6. 6.12 × 4 =
  7. 7.35 × 4 =
  8. 8.29 × 4 =
  9. 9.18 × 4 =
  10. 10.16 × 4 =
  11. 11.41 × 4 =
  12. 12.13 × 4 =
  13. 13.34 × 4 =
  14. 14.53 × 4 =
  15. 15.7 × 4 =
  16. 16.21 × 4 =
  17. 17.28 × 4 =
  18. 18.9 × 4 =
  19. 19.60 × 4 =
  20. 20.43 × 4 =
  21. 21.58 × 4 =
  22. 22.15 × 4 =
  23. 23.39 × 4 =
  24. 24.20 × 4 =
  25. 25.51 × 4 =
  26. 26.33 × 4 =
  27. 27.46 × 4 =
  28. 28.47 × 4 =
  29. 29.44 × 4 =
  30. 30.54 × 4 =
  31. 31.30 × 4 =
  32. 32.8 × 4 =
  33. 33.59 × 4 =
  34. 34.19 × 4 =
  35. 35.45 × 4 =
  36. 36.6 × 4 =
  37. 37.52 × 4 =
  38. 38.57 × 4 =
  39. 39.49 × 4 =
  40. 40.40 × 4 =

Answer key

  1. 96
  2. 88
  3. 44
  4. 220
  5. 100
  6. 48
  7. 140
  8. 116
  9. 72
  10. 64
  11. 164
  12. 52
  13. 136
  14. 212
  15. 28
  16. 84
  17. 112
  18. 36
  19. 240
  20. 172
  21. 232
  22. 60
  23. 156
  24. 80
  25. 204
  26. 132
  27. 184
  28. 188
  29. 176
  30. 216
  31. 120
  32. 32
  33. 236
  34. 76
  35. 180
  36. 24
  37. 208
  38. 228
  39. 196
  40. 160

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