← Times 4: double, double lesson New set →

Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 496 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.8 × 4 =
  2. 2.29 × 4 =
  3. 3.42 × 4 =
  4. 4.18 × 4 =
  5. 5.53 × 4 =
  6. 6.9 × 4 =
  7. 7.30 × 4 =
  8. 8.7 × 4 =
  9. 9.6 × 4 =
  10. 10.10 × 4 =
  11. 11.46 × 4 =
  12. 12.45 × 4 =
  13. 13.28 × 4 =
  14. 14.47 × 4 =
  15. 15.33 × 4 =
  16. 16.23 × 4 =
  17. 17.41 × 4 =
  18. 18.31 × 4 =
  19. 19.36 × 4 =
  20. 20.21 × 4 =
  21. 21.40 × 4 =
  22. 22.12 × 4 =
  23. 23.37 × 4 =
  24. 24.52 × 4 =
  25. 25.44 × 4 =
  26. 26.16 × 4 =
  27. 27.57 × 4 =
  28. 28.51 × 4 =
  29. 29.17 × 4 =
  30. 30.34 × 4 =
  31. 31.14 × 4 =
  32. 32.20 × 4 =
  33. 33.27 × 4 =
  34. 34.24 × 4 =
  35. 35.48 × 4 =
  36. 36.55 × 4 =
  37. 37.58 × 4 =
  38. 38.13 × 4 =
  39. 39.22 × 4 =
  40. 40.15 × 4 =

Answer key

  1. 32
  2. 116
  3. 168
  4. 72
  5. 212
  6. 36
  7. 120
  8. 28
  9. 24
  10. 40
  11. 184
  12. 180
  13. 112
  14. 188
  15. 132
  16. 92
  17. 164
  18. 124
  19. 144
  20. 84
  21. 160
  22. 48
  23. 148
  24. 208
  25. 176
  26. 64
  27. 228
  28. 204
  29. 68
  30. 136
  31. 56
  32. 80
  33. 108
  34. 96
  35. 192
  36. 220
  37. 232
  38. 52
  39. 88
  40. 60

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