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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 774 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.41 × 4 =
  2. 2.32 × 4 =
  3. 3.30 × 4 =
  4. 4.25 × 4 =
  5. 5.57 × 4 =
  6. 6.12 × 4 =
  7. 7.31 × 4 =
  8. 8.44 × 4 =
  9. 9.8 × 4 =
  10. 10.37 × 4 =
  11. 11.38 × 4 =
  12. 12.14 × 4 =
  13. 13.15 × 4 =
  14. 14.10 × 4 =
  15. 15.20 × 4 =
  16. 16.58 × 4 =
  17. 17.11 × 4 =
  18. 18.54 × 4 =
  19. 19.47 × 4 =
  20. 20.60 × 4 =
  21. 21.13 × 4 =
  22. 22.33 × 4 =
  23. 23.48 × 4 =
  24. 24.6 × 4 =
  25. 25.53 × 4 =
  26. 26.18 × 4 =
  27. 27.26 × 4 =
  28. 28.23 × 4 =
  29. 29.43 × 4 =
  30. 30.7 × 4 =
  31. 31.22 × 4 =
  32. 32.16 × 4 =
  33. 33.21 × 4 =
  34. 34.45 × 4 =
  35. 35.17 × 4 =
  36. 36.19 × 4 =
  37. 37.46 × 4 =
  38. 38.56 × 4 =
  39. 39.52 × 4 =
  40. 40.51 × 4 =

Answer key

  1. 164
  2. 128
  3. 120
  4. 100
  5. 228
  6. 48
  7. 124
  8. 176
  9. 32
  10. 148
  11. 152
  12. 56
  13. 60
  14. 40
  15. 80
  16. 232
  17. 44
  18. 216
  19. 188
  20. 240
  21. 52
  22. 132
  23. 192
  24. 24
  25. 212
  26. 72
  27. 104
  28. 92
  29. 172
  30. 28
  31. 88
  32. 64
  33. 84
  34. 180
  35. 68
  36. 76
  37. 184
  38. 224
  39. 208
  40. 204

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