← Times 4: double, double lesson New set →

Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 209 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.52 × 4 =
  2. 2.27 × 4 =
  3. 3.47 × 4 =
  4. 4.17 × 4 =
  5. 5.19 × 4 =
  6. 6.44 × 4 =
  7. 7.8 × 4 =
  8. 8.30 × 4 =
  9. 9.36 × 4 =
  10. 10.7 × 4 =
  11. 11.42 × 4 =
  12. 12.20 × 4 =
  13. 13.37 × 4 =
  14. 14.40 × 4 =
  15. 15.50 × 4 =
  16. 16.25 × 4 =
  17. 17.6 × 4 =
  18. 18.12 × 4 =
  19. 19.45 × 4 =
  20. 20.54 × 4 =
  21. 21.48 × 4 =
  22. 22.24 × 4 =
  23. 23.18 × 4 =
  24. 24.39 × 4 =
  25. 25.46 × 4 =
  26. 26.41 × 4 =
  27. 27.16 × 4 =
  28. 28.43 × 4 =
  29. 29.21 × 4 =
  30. 30.49 × 4 =
  31. 31.59 × 4 =
  32. 32.35 × 4 =
  33. 33.14 × 4 =
  34. 34.9 × 4 =
  35. 35.15 × 4 =
  36. 36.22 × 4 =
  37. 37.28 × 4 =
  38. 38.55 × 4 =
  39. 39.53 × 4 =
  40. 40.34 × 4 =

Answer key

  1. 208
  2. 108
  3. 188
  4. 68
  5. 76
  6. 176
  7. 32
  8. 120
  9. 144
  10. 28
  11. 168
  12. 80
  13. 148
  14. 160
  15. 200
  16. 100
  17. 24
  18. 48
  19. 180
  20. 216
  21. 192
  22. 96
  23. 72
  24. 156
  25. 184
  26. 164
  27. 64
  28. 172
  29. 84
  30. 196
  31. 236
  32. 140
  33. 56
  34. 36
  35. 60
  36. 88
  37. 112
  38. 220
  39. 212
  40. 136

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