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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 30 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.9 × 4 =
  2. 2.57 × 4 =
  3. 3.21 × 4 =
  4. 4.48 × 4 =
  5. 5.20 × 4 =
  6. 6.34 × 4 =
  7. 7.51 × 4 =
  8. 8.47 × 4 =
  9. 9.40 × 4 =
  10. 10.31 × 4 =
  11. 11.46 × 4 =
  12. 12.29 × 4 =
  13. 13.13 × 4 =
  14. 14.43 × 4 =
  15. 15.18 × 4 =
  16. 16.42 × 4 =
  17. 17.53 × 4 =
  18. 18.27 × 4 =
  19. 19.58 × 4 =
  20. 20.36 × 4 =
  21. 21.60 × 4 =
  22. 22.32 × 4 =
  23. 23.19 × 4 =
  24. 24.23 × 4 =
  25. 25.6 × 4 =
  26. 26.11 × 4 =
  27. 27.50 × 4 =
  28. 28.7 × 4 =
  29. 29.25 × 4 =
  30. 30.14 × 4 =
  31. 31.41 × 4 =
  32. 32.52 × 4 =
  33. 33.45 × 4 =
  34. 34.30 × 4 =
  35. 35.26 × 4 =
  36. 36.12 × 4 =
  37. 37.28 × 4 =
  38. 38.38 × 4 =
  39. 39.39 × 4 =
  40. 40.37 × 4 =

Answer key

  1. 36
  2. 228
  3. 84
  4. 192
  5. 80
  6. 136
  7. 204
  8. 188
  9. 160
  10. 124
  11. 184
  12. 116
  13. 52
  14. 172
  15. 72
  16. 168
  17. 212
  18. 108
  19. 232
  20. 144
  21. 240
  22. 128
  23. 76
  24. 92
  25. 24
  26. 44
  27. 200
  28. 28
  29. 100
  30. 56
  31. 164
  32. 208
  33. 180
  34. 120
  35. 104
  36. 48
  37. 112
  38. 152
  39. 156
  40. 148

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