← Times 4: double, double lesson New set →

Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 110 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.11 × 4 =
  2. 2.19 × 4 =
  3. 3.28 × 4 =
  4. 4.9 × 4 =
  5. 5.6 × 4 =
  6. 6.18 × 4 =
  7. 7.12 × 4 =
  8. 8.47 × 4 =
  9. 9.43 × 4 =
  10. 10.49 × 4 =
  11. 11.21 × 4 =
  12. 12.45 × 4 =
  13. 13.34 × 4 =
  14. 14.51 × 4 =
  15. 15.56 × 4 =
  16. 16.38 × 4 =
  17. 17.54 × 4 =
  18. 18.44 × 4 =
  19. 19.53 × 4 =
  20. 20.16 × 4 =
  21. 21.48 × 4 =
  22. 22.27 × 4 =
  23. 23.23 × 4 =
  24. 24.10 × 4 =
  25. 25.20 × 4 =
  26. 26.8 × 4 =
  27. 27.50 × 4 =
  28. 28.29 × 4 =
  29. 29.15 × 4 =
  30. 30.59 × 4 =
  31. 31.33 × 4 =
  32. 32.30 × 4 =
  33. 33.31 × 4 =
  34. 34.24 × 4 =
  35. 35.25 × 4 =
  36. 36.40 × 4 =
  37. 37.46 × 4 =
  38. 38.32 × 4 =
  39. 39.26 × 4 =
  40. 40.7 × 4 =

Answer key

  1. 44
  2. 76
  3. 112
  4. 36
  5. 24
  6. 72
  7. 48
  8. 188
  9. 172
  10. 196
  11. 84
  12. 180
  13. 136
  14. 204
  15. 224
  16. 152
  17. 216
  18. 176
  19. 212
  20. 64
  21. 192
  22. 108
  23. 92
  24. 40
  25. 80
  26. 32
  27. 200
  28. 116
  29. 60
  30. 236
  31. 132
  32. 120
  33. 124
  34. 96
  35. 100
  36. 160
  37. 184
  38. 128
  39. 104
  40. 28

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