← Times 4: double, double lesson New set →

Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 752 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.31 × 4 =
  2. 2.42 × 4 =
  3. 3.28 × 4 =
  4. 4.53 × 4 =
  5. 5.20 × 4 =
  6. 6.13 × 4 =
  7. 7.48 × 4 =
  8. 8.41 × 4 =
  9. 9.21 × 4 =
  10. 10.30 × 4 =
  11. 11.15 × 4 =
  12. 12.46 × 4 =
  13. 13.6 × 4 =
  14. 14.57 × 4 =
  15. 15.19 × 4 =
  16. 16.43 × 4 =
  17. 17.40 × 4 =
  18. 18.54 × 4 =
  19. 19.55 × 4 =
  20. 20.58 × 4 =
  21. 21.10 × 4 =
  22. 22.45 × 4 =
  23. 23.14 × 4 =
  24. 24.44 × 4 =
  25. 25.56 × 4 =
  26. 26.22 × 4 =
  27. 27.12 × 4 =
  28. 28.36 × 4 =
  29. 29.52 × 4 =
  30. 30.50 × 4 =
  31. 31.29 × 4 =
  32. 32.59 × 4 =
  33. 33.9 × 4 =
  34. 34.34 × 4 =
  35. 35.24 × 4 =
  36. 36.51 × 4 =
  37. 37.8 × 4 =
  38. 38.17 × 4 =
  39. 39.7 × 4 =
  40. 40.33 × 4 =

Answer key

  1. 124
  2. 168
  3. 112
  4. 212
  5. 80
  6. 52
  7. 192
  8. 164
  9. 84
  10. 120
  11. 60
  12. 184
  13. 24
  14. 228
  15. 76
  16. 172
  17. 160
  18. 216
  19. 220
  20. 232
  21. 40
  22. 180
  23. 56
  24. 176
  25. 224
  26. 88
  27. 48
  28. 144
  29. 208
  30. 200
  31. 116
  32. 236
  33. 36
  34. 136
  35. 96
  36. 204
  37. 32
  38. 68
  39. 28
  40. 132

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