← Times 4: double, double lesson New set →

Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 744 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.26 × 4 =
  2. 2.11 × 4 =
  3. 3.42 × 4 =
  4. 4.29 × 4 =
  5. 5.7 × 4 =
  6. 6.21 × 4 =
  7. 7.9 × 4 =
  8. 8.44 × 4 =
  9. 9.56 × 4 =
  10. 10.35 × 4 =
  11. 11.18 × 4 =
  12. 12.20 × 4 =
  13. 13.25 × 4 =
  14. 14.51 × 4 =
  15. 15.23 × 4 =
  16. 16.15 × 4 =
  17. 17.24 × 4 =
  18. 18.57 × 4 =
  19. 19.19 × 4 =
  20. 20.48 × 4 =
  21. 21.32 × 4 =
  22. 22.6 × 4 =
  23. 23.14 × 4 =
  24. 24.55 × 4 =
  25. 25.49 × 4 =
  26. 26.52 × 4 =
  27. 27.31 × 4 =
  28. 28.46 × 4 =
  29. 29.30 × 4 =
  30. 30.34 × 4 =
  31. 31.22 × 4 =
  32. 32.59 × 4 =
  33. 33.17 × 4 =
  34. 34.54 × 4 =
  35. 35.53 × 4 =
  36. 36.45 × 4 =
  37. 37.37 × 4 =
  38. 38.36 × 4 =
  39. 39.41 × 4 =
  40. 40.47 × 4 =

Answer key

  1. 104
  2. 44
  3. 168
  4. 116
  5. 28
  6. 84
  7. 36
  8. 176
  9. 224
  10. 140
  11. 72
  12. 80
  13. 100
  14. 204
  15. 92
  16. 60
  17. 96
  18. 228
  19. 76
  20. 192
  21. 128
  22. 24
  23. 56
  24. 220
  25. 196
  26. 208
  27. 124
  28. 184
  29. 120
  30. 136
  31. 88
  32. 236
  33. 68
  34. 216
  35. 212
  36. 180
  37. 148
  38. 144
  39. 164
  40. 188

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