← Times 4: double, double lesson New set →

Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 848 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.8 × 4 =
  2. 2.46 × 4 =
  3. 3.53 × 4 =
  4. 4.45 × 4 =
  5. 5.48 × 4 =
  6. 6.28 × 4 =
  7. 7.54 × 4 =
  8. 8.23 × 4 =
  9. 9.57 × 4 =
  10. 10.55 × 4 =
  11. 11.58 × 4 =
  12. 12.12 × 4 =
  13. 13.13 × 4 =
  14. 14.21 × 4 =
  15. 15.24 × 4 =
  16. 16.32 × 4 =
  17. 17.27 × 4 =
  18. 18.38 × 4 =
  19. 19.51 × 4 =
  20. 20.52 × 4 =
  21. 21.17 × 4 =
  22. 22.7 × 4 =
  23. 23.50 × 4 =
  24. 24.25 × 4 =
  25. 25.39 × 4 =
  26. 26.15 × 4 =
  27. 27.14 × 4 =
  28. 28.59 × 4 =
  29. 29.6 × 4 =
  30. 30.22 × 4 =
  31. 31.26 × 4 =
  32. 32.29 × 4 =
  33. 33.47 × 4 =
  34. 34.16 × 4 =
  35. 35.36 × 4 =
  36. 36.19 × 4 =
  37. 37.42 × 4 =
  38. 38.40 × 4 =
  39. 39.56 × 4 =
  40. 40.35 × 4 =

Answer key

  1. 32
  2. 184
  3. 212
  4. 180
  5. 192
  6. 112
  7. 216
  8. 92
  9. 228
  10. 220
  11. 232
  12. 48
  13. 52
  14. 84
  15. 96
  16. 128
  17. 108
  18. 152
  19. 204
  20. 208
  21. 68
  22. 28
  23. 200
  24. 100
  25. 156
  26. 60
  27. 56
  28. 236
  29. 24
  30. 88
  31. 104
  32. 116
  33. 188
  34. 64
  35. 144
  36. 76
  37. 168
  38. 160
  39. 224
  40. 140

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