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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 397 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.47 × 4 =
  2. 2.53 × 4 =
  3. 3.16 × 4 =
  4. 4.27 × 4 =
  5. 5.51 × 4 =
  6. 6.50 × 4 =
  7. 7.20 × 4 =
  8. 8.21 × 4 =
  9. 9.9 × 4 =
  10. 10.25 × 4 =
  11. 11.15 × 4 =
  12. 12.14 × 4 =
  13. 13.43 × 4 =
  14. 14.10 × 4 =
  15. 15.26 × 4 =
  16. 16.59 × 4 =
  17. 17.23 × 4 =
  18. 18.11 × 4 =
  19. 19.18 × 4 =
  20. 20.22 × 4 =
  21. 21.56 × 4 =
  22. 22.60 × 4 =
  23. 23.39 × 4 =
  24. 24.46 × 4 =
  25. 25.55 × 4 =
  26. 26.17 × 4 =
  27. 27.52 × 4 =
  28. 28.13 × 4 =
  29. 29.29 × 4 =
  30. 30.32 × 4 =
  31. 31.42 × 4 =
  32. 32.41 × 4 =
  33. 33.44 × 4 =
  34. 34.12 × 4 =
  35. 35.33 × 4 =
  36. 36.8 × 4 =
  37. 37.6 × 4 =
  38. 38.31 × 4 =
  39. 39.54 × 4 =
  40. 40.19 × 4 =

Answer key

  1. 188
  2. 212
  3. 64
  4. 108
  5. 204
  6. 200
  7. 80
  8. 84
  9. 36
  10. 100
  11. 60
  12. 56
  13. 172
  14. 40
  15. 104
  16. 236
  17. 92
  18. 44
  19. 72
  20. 88
  21. 224
  22. 240
  23. 156
  24. 184
  25. 220
  26. 68
  27. 208
  28. 52
  29. 116
  30. 128
  31. 168
  32. 164
  33. 176
  34. 48
  35. 132
  36. 32
  37. 24
  38. 124
  39. 216
  40. 76

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