← Times 4: double, double lesson New set →

Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 638 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.17 × 4 =
  2. 2.24 × 4 =
  3. 3.7 × 4 =
  4. 4.6 × 4 =
  5. 5.39 × 4 =
  6. 6.58 × 4 =
  7. 7.18 × 4 =
  8. 8.15 × 4 =
  9. 9.27 × 4 =
  10. 10.59 × 4 =
  11. 11.52 × 4 =
  12. 12.26 × 4 =
  13. 13.57 × 4 =
  14. 14.49 × 4 =
  15. 15.45 × 4 =
  16. 16.21 × 4 =
  17. 17.32 × 4 =
  18. 18.14 × 4 =
  19. 19.48 × 4 =
  20. 20.33 × 4 =
  21. 21.56 × 4 =
  22. 22.22 × 4 =
  23. 23.9 × 4 =
  24. 24.10 × 4 =
  25. 25.11 × 4 =
  26. 26.53 × 4 =
  27. 27.25 × 4 =
  28. 28.12 × 4 =
  29. 29.20 × 4 =
  30. 30.44 × 4 =
  31. 31.37 × 4 =
  32. 32.47 × 4 =
  33. 33.51 × 4 =
  34. 34.54 × 4 =
  35. 35.8 × 4 =
  36. 36.28 × 4 =
  37. 37.42 × 4 =
  38. 38.38 × 4 =
  39. 39.34 × 4 =
  40. 40.46 × 4 =

Answer key

  1. 68
  2. 96
  3. 28
  4. 24
  5. 156
  6. 232
  7. 72
  8. 60
  9. 108
  10. 236
  11. 208
  12. 104
  13. 228
  14. 196
  15. 180
  16. 84
  17. 128
  18. 56
  19. 192
  20. 132
  21. 224
  22. 88
  23. 36
  24. 40
  25. 44
  26. 212
  27. 100
  28. 48
  29. 80
  30. 176
  31. 148
  32. 188
  33. 204
  34. 216
  35. 32
  36. 112
  37. 168
  38. 152
  39. 136
  40. 184

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