← Times 4: double, double lesson New set →

Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 164 · 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. 2.43 × 4 =
  3. 3.9 × 4 =
  4. 4.37 × 4 =
  5. 5.58 × 4 =
  6. 6.27 × 4 =
  7. 7.17 × 4 =
  8. 8.46 × 4 =
  9. 9.38 × 4 =
  10. 10.51 × 4 =
  11. 11.54 × 4 =
  12. 12.8 × 4 =
  13. 13.44 × 4 =
  14. 14.49 × 4 =
  15. 15.13 × 4 =
  16. 16.32 × 4 =
  17. 17.18 × 4 =
  18. 18.25 × 4 =
  19. 19.33 × 4 =
  20. 20.29 × 4 =
  21. 21.14 × 4 =
  22. 22.52 × 4 =
  23. 23.12 × 4 =
  24. 24.19 × 4 =
  25. 25.48 × 4 =
  26. 26.47 × 4 =
  27. 27.56 × 4 =
  28. 28.39 × 4 =
  29. 29.41 × 4 =
  30. 30.22 × 4 =
  31. 31.53 × 4 =
  32. 32.10 × 4 =
  33. 33.34 × 4 =
  34. 34.7 × 4 =
  35. 35.26 × 4 =
  36. 36.45 × 4 =
  37. 37.42 × 4 =
  38. 38.50 × 4 =
  39. 39.60 × 4 =
  40. 40.20 × 4 =

Answer key

  1. 96
  2. 172
  3. 36
  4. 148
  5. 232
  6. 108
  7. 68
  8. 184
  9. 152
  10. 204
  11. 216
  12. 32
  13. 176
  14. 196
  15. 52
  16. 128
  17. 72
  18. 100
  19. 132
  20. 116
  21. 56
  22. 208
  23. 48
  24. 76
  25. 192
  26. 188
  27. 224
  28. 156
  29. 164
  30. 88
  31. 212
  32. 40
  33. 136
  34. 28
  35. 104
  36. 180
  37. 168
  38. 200
  39. 240
  40. 80

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