← Times 4: double, double lesson New set →

Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 166 · 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. 2.28 × 4 =
  3. 3.21 × 4 =
  4. 4.43 × 4 =
  5. 5.6 × 4 =
  6. 6.48 × 4 =
  7. 7.36 × 4 =
  8. 8.16 × 4 =
  9. 9.44 × 4 =
  10. 10.18 × 4 =
  11. 11.34 × 4 =
  12. 12.52 × 4 =
  13. 13.23 × 4 =
  14. 14.55 × 4 =
  15. 15.27 × 4 =
  16. 16.13 × 4 =
  17. 17.50 × 4 =
  18. 18.51 × 4 =
  19. 19.42 × 4 =
  20. 20.38 × 4 =
  21. 21.47 × 4 =
  22. 22.31 × 4 =
  23. 23.8 × 4 =
  24. 24.35 × 4 =
  25. 25.60 × 4 =
  26. 26.11 × 4 =
  27. 27.37 × 4 =
  28. 28.30 × 4 =
  29. 29.58 × 4 =
  30. 30.41 × 4 =
  31. 31.49 × 4 =
  32. 32.57 × 4 =
  33. 33.29 × 4 =
  34. 34.9 × 4 =
  35. 35.10 × 4 =
  36. 36.7 × 4 =
  37. 37.20 × 4 =
  38. 38.19 × 4 =
  39. 39.25 × 4 =
  40. 40.54 × 4 =

Answer key

  1. 96
  2. 112
  3. 84
  4. 172
  5. 24
  6. 192
  7. 144
  8. 64
  9. 176
  10. 72
  11. 136
  12. 208
  13. 92
  14. 220
  15. 108
  16. 52
  17. 200
  18. 204
  19. 168
  20. 152
  21. 188
  22. 124
  23. 32
  24. 140
  25. 240
  26. 44
  27. 148
  28. 120
  29. 232
  30. 164
  31. 196
  32. 228
  33. 116
  34. 36
  35. 40
  36. 28
  37. 80
  38. 76
  39. 100
  40. 216

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