← Times 4: double, double lesson New set →

Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 942 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.36 × 4 =
  2. 2.29 × 4 =
  3. 3.6 × 4 =
  4. 4.12 × 4 =
  5. 5.32 × 4 =
  6. 6.15 × 4 =
  7. 7.57 × 4 =
  8. 8.49 × 4 =
  9. 9.24 × 4 =
  10. 10.41 × 4 =
  11. 11.13 × 4 =
  12. 12.31 × 4 =
  13. 13.27 × 4 =
  14. 14.45 × 4 =
  15. 15.51 × 4 =
  16. 16.11 × 4 =
  17. 17.56 × 4 =
  18. 18.10 × 4 =
  19. 19.8 × 4 =
  20. 20.48 × 4 =
  21. 21.14 × 4 =
  22. 22.37 × 4 =
  23. 23.46 × 4 =
  24. 24.22 × 4 =
  25. 25.18 × 4 =
  26. 26.21 × 4 =
  27. 27.43 × 4 =
  28. 28.7 × 4 =
  29. 29.25 × 4 =
  30. 30.34 × 4 =
  31. 31.35 × 4 =
  32. 32.52 × 4 =
  33. 33.44 × 4 =
  34. 34.19 × 4 =
  35. 35.33 × 4 =
  36. 36.28 × 4 =
  37. 37.30 × 4 =
  38. 38.39 × 4 =
  39. 39.40 × 4 =
  40. 40.17 × 4 =

Answer key

  1. 144
  2. 116
  3. 24
  4. 48
  5. 128
  6. 60
  7. 228
  8. 196
  9. 96
  10. 164
  11. 52
  12. 124
  13. 108
  14. 180
  15. 204
  16. 44
  17. 224
  18. 40
  19. 32
  20. 192
  21. 56
  22. 148
  23. 184
  24. 88
  25. 72
  26. 84
  27. 172
  28. 28
  29. 100
  30. 136
  31. 140
  32. 208
  33. 176
  34. 76
  35. 132
  36. 112
  37. 120
  38. 156
  39. 160
  40. 68

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