← Times 4: double, double lesson New set →

Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 385 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.15 × 4 =
  2. 2.55 × 4 =
  3. 3.22 × 4 =
  4. 4.56 × 4 =
  5. 5.6 × 4 =
  6. 6.27 × 4 =
  7. 7.25 × 4 =
  8. 8.28 × 4 =
  9. 9.47 × 4 =
  10. 10.58 × 4 =
  11. 11.31 × 4 =
  12. 12.19 × 4 =
  13. 13.7 × 4 =
  14. 14.8 × 4 =
  15. 15.20 × 4 =
  16. 16.30 × 4 =
  17. 17.48 × 4 =
  18. 18.12 × 4 =
  19. 19.32 × 4 =
  20. 20.49 × 4 =
  21. 21.57 × 4 =
  22. 22.54 × 4 =
  23. 23.13 × 4 =
  24. 24.40 × 4 =
  25. 25.33 × 4 =
  26. 26.21 × 4 =
  27. 27.11 × 4 =
  28. 28.43 × 4 =
  29. 29.51 × 4 =
  30. 30.10 × 4 =
  31. 31.45 × 4 =
  32. 32.46 × 4 =
  33. 33.41 × 4 =
  34. 34.60 × 4 =
  35. 35.24 × 4 =
  36. 36.18 × 4 =
  37. 37.16 × 4 =
  38. 38.35 × 4 =
  39. 39.14 × 4 =
  40. 40.59 × 4 =

Answer key

  1. 60
  2. 220
  3. 88
  4. 224
  5. 24
  6. 108
  7. 100
  8. 112
  9. 188
  10. 232
  11. 124
  12. 76
  13. 28
  14. 32
  15. 80
  16. 120
  17. 192
  18. 48
  19. 128
  20. 196
  21. 228
  22. 216
  23. 52
  24. 160
  25. 132
  26. 84
  27. 44
  28. 172
  29. 204
  30. 40
  31. 180
  32. 184
  33. 164
  34. 240
  35. 96
  36. 72
  37. 64
  38. 140
  39. 56
  40. 236

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