← Times 4: double, double lesson New set →

Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 581 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.27 × 4 =
  2. 2.15 × 4 =
  3. 3.28 × 4 =
  4. 4.22 × 4 =
  5. 5.8 × 4 =
  6. 6.26 × 4 =
  7. 7.46 × 4 =
  8. 8.34 × 4 =
  9. 9.43 × 4 =
  10. 10.14 × 4 =
  11. 11.33 × 4 =
  12. 12.41 × 4 =
  13. 13.23 × 4 =
  14. 14.48 × 4 =
  15. 15.10 × 4 =
  16. 16.16 × 4 =
  17. 17.53 × 4 =
  18. 18.13 × 4 =
  19. 19.37 × 4 =
  20. 20.52 × 4 =
  21. 21.38 × 4 =
  22. 22.40 × 4 =
  23. 23.44 × 4 =
  24. 24.25 × 4 =
  25. 25.12 × 4 =
  26. 26.51 × 4 =
  27. 27.20 × 4 =
  28. 28.58 × 4 =
  29. 29.59 × 4 =
  30. 30.29 × 4 =
  31. 31.56 × 4 =
  32. 32.50 × 4 =
  33. 33.32 × 4 =
  34. 34.21 × 4 =
  35. 35.54 × 4 =
  36. 36.17 × 4 =
  37. 37.39 × 4 =
  38. 38.18 × 4 =
  39. 39.42 × 4 =
  40. 40.35 × 4 =

Answer key

  1. 108
  2. 60
  3. 112
  4. 88
  5. 32
  6. 104
  7. 184
  8. 136
  9. 172
  10. 56
  11. 132
  12. 164
  13. 92
  14. 192
  15. 40
  16. 64
  17. 212
  18. 52
  19. 148
  20. 208
  21. 152
  22. 160
  23. 176
  24. 100
  25. 48
  26. 204
  27. 80
  28. 232
  29. 236
  30. 116
  31. 224
  32. 200
  33. 128
  34. 84
  35. 216
  36. 68
  37. 156
  38. 72
  39. 168
  40. 140

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