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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 652 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.51 × 4 =
  2. 2.35 × 4 =
  3. 3.29 × 4 =
  4. 4.59 × 4 =
  5. 5.58 × 4 =
  6. 6.60 × 4 =
  7. 7.7 × 4 =
  8. 8.11 × 4 =
  9. 9.49 × 4 =
  10. 10.39 × 4 =
  11. 11.26 × 4 =
  12. 12.38 × 4 =
  13. 13.31 × 4 =
  14. 14.22 × 4 =
  15. 15.23 × 4 =
  16. 16.32 × 4 =
  17. 17.30 × 4 =
  18. 18.9 × 4 =
  19. 19.43 × 4 =
  20. 20.13 × 4 =
  21. 21.6 × 4 =
  22. 22.36 × 4 =
  23. 23.53 × 4 =
  24. 24.15 × 4 =
  25. 25.21 × 4 =
  26. 26.34 × 4 =
  27. 27.57 × 4 =
  28. 28.33 × 4 =
  29. 29.42 × 4 =
  30. 30.18 × 4 =
  31. 31.16 × 4 =
  32. 32.56 × 4 =
  33. 33.19 × 4 =
  34. 34.17 × 4 =
  35. 35.27 × 4 =
  36. 36.41 × 4 =
  37. 37.40 × 4 =
  38. 38.14 × 4 =
  39. 39.25 × 4 =
  40. 40.45 × 4 =

Answer key

  1. 204
  2. 140
  3. 116
  4. 236
  5. 232
  6. 240
  7. 28
  8. 44
  9. 196
  10. 156
  11. 104
  12. 152
  13. 124
  14. 88
  15. 92
  16. 128
  17. 120
  18. 36
  19. 172
  20. 52
  21. 24
  22. 144
  23. 212
  24. 60
  25. 84
  26. 136
  27. 228
  28. 132
  29. 168
  30. 72
  31. 64
  32. 224
  33. 76
  34. 68
  35. 108
  36. 164
  37. 160
  38. 56
  39. 100
  40. 180

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