← Times 4: double, double lesson New set →

Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 974 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.58 × 4 =
  2. 2.11 × 4 =
  3. 3.9 × 4 =
  4. 4.10 × 4 =
  5. 5.41 × 4 =
  6. 6.33 × 4 =
  7. 7.13 × 4 =
  8. 8.18 × 4 =
  9. 9.16 × 4 =
  10. 10.53 × 4 =
  11. 11.14 × 4 =
  12. 12.25 × 4 =
  13. 13.23 × 4 =
  14. 14.49 × 4 =
  15. 15.19 × 4 =
  16. 16.31 × 4 =
  17. 17.37 × 4 =
  18. 18.43 × 4 =
  19. 19.7 × 4 =
  20. 20.60 × 4 =
  21. 21.51 × 4 =
  22. 22.6 × 4 =
  23. 23.47 × 4 =
  24. 24.48 × 4 =
  25. 25.38 × 4 =
  26. 26.35 × 4 =
  27. 27.17 × 4 =
  28. 28.50 × 4 =
  29. 29.28 × 4 =
  30. 30.12 × 4 =
  31. 31.52 × 4 =
  32. 32.39 × 4 =
  33. 33.40 × 4 =
  34. 34.32 × 4 =
  35. 35.57 × 4 =
  36. 36.24 × 4 =
  37. 37.15 × 4 =
  38. 38.56 × 4 =
  39. 39.20 × 4 =
  40. 40.44 × 4 =

Answer key

  1. 232
  2. 44
  3. 36
  4. 40
  5. 164
  6. 132
  7. 52
  8. 72
  9. 64
  10. 212
  11. 56
  12. 100
  13. 92
  14. 196
  15. 76
  16. 124
  17. 148
  18. 172
  19. 28
  20. 240
  21. 204
  22. 24
  23. 188
  24. 192
  25. 152
  26. 140
  27. 68
  28. 200
  29. 112
  30. 48
  31. 208
  32. 156
  33. 160
  34. 128
  35. 228
  36. 96
  37. 60
  38. 224
  39. 80
  40. 176

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