← Times 4: double, double lesson New set →

Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 592 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.28 × 4 =
  2. 2.44 × 4 =
  3. 3.33 × 4 =
  4. 4.34 × 4 =
  5. 5.16 × 4 =
  6. 6.43 × 4 =
  7. 7.55 × 4 =
  8. 8.14 × 4 =
  9. 9.22 × 4 =
  10. 10.10 × 4 =
  11. 11.52 × 4 =
  12. 12.20 × 4 =
  13. 13.6 × 4 =
  14. 14.50 × 4 =
  15. 15.25 × 4 =
  16. 16.30 × 4 =
  17. 17.11 × 4 =
  18. 18.13 × 4 =
  19. 19.36 × 4 =
  20. 20.38 × 4 =
  21. 21.58 × 4 =
  22. 22.41 × 4 =
  23. 23.17 × 4 =
  24. 24.39 × 4 =
  25. 25.56 × 4 =
  26. 26.54 × 4 =
  27. 27.9 × 4 =
  28. 28.51 × 4 =
  29. 29.57 × 4 =
  30. 30.42 × 4 =
  31. 31.19 × 4 =
  32. 32.48 × 4 =
  33. 33.26 × 4 =
  34. 34.27 × 4 =
  35. 35.37 × 4 =
  36. 36.21 × 4 =
  37. 37.46 × 4 =
  38. 38.40 × 4 =
  39. 39.12 × 4 =
  40. 40.60 × 4 =

Answer key

  1. 112
  2. 176
  3. 132
  4. 136
  5. 64
  6. 172
  7. 220
  8. 56
  9. 88
  10. 40
  11. 208
  12. 80
  13. 24
  14. 200
  15. 100
  16. 120
  17. 44
  18. 52
  19. 144
  20. 152
  21. 232
  22. 164
  23. 68
  24. 156
  25. 224
  26. 216
  27. 36
  28. 204
  29. 228
  30. 168
  31. 76
  32. 192
  33. 104
  34. 108
  35. 148
  36. 84
  37. 184
  38. 160
  39. 48
  40. 240

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