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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 41 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.52 × 4 =
  2. 2.56 × 4 =
  3. 3.31 × 4 =
  4. 4.34 × 4 =
  5. 5.60 × 4 =
  6. 6.27 × 4 =
  7. 7.17 × 4 =
  8. 8.16 × 4 =
  9. 9.8 × 4 =
  10. 10.19 × 4 =
  11. 11.41 × 4 =
  12. 12.14 × 4 =
  13. 13.38 × 4 =
  14. 14.30 × 4 =
  15. 15.25 × 4 =
  16. 16.49 × 4 =
  17. 17.46 × 4 =
  18. 18.32 × 4 =
  19. 19.23 × 4 =
  20. 20.43 × 4 =
  21. 21.21 × 4 =
  22. 22.58 × 4 =
  23. 23.22 × 4 =
  24. 24.51 × 4 =
  25. 25.24 × 4 =
  26. 26.28 × 4 =
  27. 27.11 × 4 =
  28. 28.18 × 4 =
  29. 29.42 × 4 =
  30. 30.44 × 4 =
  31. 31.20 × 4 =
  32. 32.33 × 4 =
  33. 33.6 × 4 =
  34. 34.26 × 4 =
  35. 35.39 × 4 =
  36. 36.35 × 4 =
  37. 37.50 × 4 =
  38. 38.40 × 4 =
  39. 39.10 × 4 =
  40. 40.55 × 4 =

Answer key

  1. 208
  2. 224
  3. 124
  4. 136
  5. 240
  6. 108
  7. 68
  8. 64
  9. 32
  10. 76
  11. 164
  12. 56
  13. 152
  14. 120
  15. 100
  16. 196
  17. 184
  18. 128
  19. 92
  20. 172
  21. 84
  22. 232
  23. 88
  24. 204
  25. 96
  26. 112
  27. 44
  28. 72
  29. 168
  30. 176
  31. 80
  32. 132
  33. 24
  34. 104
  35. 156
  36. 140
  37. 200
  38. 160
  39. 40
  40. 220

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