← Times 4: double, double lesson New set →

Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 839 · 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. 2.33 × 4 =
  3. 3.55 × 4 =
  4. 4.21 × 4 =
  5. 5.8 × 4 =
  6. 6.22 × 4 =
  7. 7.32 × 4 =
  8. 8.12 × 4 =
  9. 9.44 × 4 =
  10. 10.7 × 4 =
  11. 11.14 × 4 =
  12. 12.19 × 4 =
  13. 13.36 × 4 =
  14. 14.57 × 4 =
  15. 15.29 × 4 =
  16. 16.9 × 4 =
  17. 17.18 × 4 =
  18. 18.56 × 4 =
  19. 19.15 × 4 =
  20. 20.37 × 4 =
  21. 21.54 × 4 =
  22. 22.27 × 4 =
  23. 23.45 × 4 =
  24. 24.30 × 4 =
  25. 25.48 × 4 =
  26. 26.16 × 4 =
  27. 27.46 × 4 =
  28. 28.59 × 4 =
  29. 29.10 × 4 =
  30. 30.53 × 4 =
  31. 31.25 × 4 =
  32. 32.13 × 4 =
  33. 33.52 × 4 =
  34. 34.24 × 4 =
  35. 35.42 × 4 =
  36. 36.20 × 4 =
  37. 37.6 × 4 =
  38. 38.34 × 4 =
  39. 39.40 × 4 =
  40. 40.9 × 4 =

Answer key

  1. 44
  2. 132
  3. 220
  4. 84
  5. 32
  6. 88
  7. 128
  8. 48
  9. 176
  10. 28
  11. 56
  12. 76
  13. 144
  14. 228
  15. 116
  16. 36
  17. 72
  18. 224
  19. 60
  20. 148
  21. 216
  22. 108
  23. 180
  24. 120
  25. 192
  26. 64
  27. 184
  28. 236
  29. 40
  30. 212
  31. 100
  32. 52
  33. 208
  34. 96
  35. 168
  36. 80
  37. 24
  38. 136
  39. 160
  40. 36

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