← Times 4: double, double lesson New set →

Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 591 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.36 × 4 =
  2. 2.8 × 4 =
  3. 3.22 × 4 =
  4. 4.58 × 4 =
  5. 5.37 × 4 =
  6. 6.60 × 4 =
  7. 7.16 × 4 =
  8. 8.54 × 4 =
  9. 9.24 × 4 =
  10. 10.18 × 4 =
  11. 11.50 × 4 =
  12. 12.20 × 4 =
  13. 13.17 × 4 =
  14. 14.19 × 4 =
  15. 15.34 × 4 =
  16. 16.44 × 4 =
  17. 17.25 × 4 =
  18. 18.13 × 4 =
  19. 19.59 × 4 =
  20. 20.49 × 4 =
  21. 21.55 × 4 =
  22. 22.7 × 4 =
  23. 23.39 × 4 =
  24. 24.27 × 4 =
  25. 25.9 × 4 =
  26. 26.42 × 4 =
  27. 27.35 × 4 =
  28. 28.56 × 4 =
  29. 29.30 × 4 =
  30. 30.26 × 4 =
  31. 31.14 × 4 =
  32. 32.43 × 4 =
  33. 33.38 × 4 =
  34. 34.11 × 4 =
  35. 35.57 × 4 =
  36. 36.12 × 4 =
  37. 37.10 × 4 =
  38. 38.6 × 4 =
  39. 39.52 × 4 =
  40. 40.47 × 4 =

Answer key

  1. 144
  2. 32
  3. 88
  4. 232
  5. 148
  6. 240
  7. 64
  8. 216
  9. 96
  10. 72
  11. 200
  12. 80
  13. 68
  14. 76
  15. 136
  16. 176
  17. 100
  18. 52
  19. 236
  20. 196
  21. 220
  22. 28
  23. 156
  24. 108
  25. 36
  26. 168
  27. 140
  28. 224
  29. 120
  30. 104
  31. 56
  32. 172
  33. 152
  34. 44
  35. 228
  36. 48
  37. 40
  38. 24
  39. 208
  40. 188

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