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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 909 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.35 × 4 =
  2. 2.36 × 4 =
  3. 3.34 × 4 =
  4. 4.17 × 4 =
  5. 5.7 × 4 =
  6. 6.48 × 4 =
  7. 7.11 × 4 =
  8. 8.56 × 4 =
  9. 9.60 × 4 =
  10. 10.21 × 4 =
  11. 11.52 × 4 =
  12. 12.59 × 4 =
  13. 13.43 × 4 =
  14. 14.8 × 4 =
  15. 15.38 × 4 =
  16. 16.19 × 4 =
  17. 17.51 × 4 =
  18. 18.24 × 4 =
  19. 19.30 × 4 =
  20. 20.37 × 4 =
  21. 21.13 × 4 =
  22. 22.58 × 4 =
  23. 23.15 × 4 =
  24. 24.6 × 4 =
  25. 25.20 × 4 =
  26. 26.12 × 4 =
  27. 27.47 × 4 =
  28. 28.9 × 4 =
  29. 29.44 × 4 =
  30. 30.25 × 4 =
  31. 31.50 × 4 =
  32. 32.18 × 4 =
  33. 33.14 × 4 =
  34. 34.27 × 4 =
  35. 35.41 × 4 =
  36. 36.16 × 4 =
  37. 37.23 × 4 =
  38. 38.28 × 4 =
  39. 39.49 × 4 =
  40. 40.39 × 4 =

Answer key

  1. 140
  2. 144
  3. 136
  4. 68
  5. 28
  6. 192
  7. 44
  8. 224
  9. 240
  10. 84
  11. 208
  12. 236
  13. 172
  14. 32
  15. 152
  16. 76
  17. 204
  18. 96
  19. 120
  20. 148
  21. 52
  22. 232
  23. 60
  24. 24
  25. 80
  26. 48
  27. 188
  28. 36
  29. 176
  30. 100
  31. 200
  32. 72
  33. 56
  34. 108
  35. 164
  36. 64
  37. 92
  38. 112
  39. 196
  40. 156

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