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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 389 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.45 × 4 =
  2. 2.17 × 4 =
  3. 3.18 × 4 =
  4. 4.56 × 4 =
  5. 5.32 × 4 =
  6. 6.29 × 4 =
  7. 7.12 × 4 =
  8. 8.37 × 4 =
  9. 9.31 × 4 =
  10. 10.57 × 4 =
  11. 11.22 × 4 =
  12. 12.52 × 4 =
  13. 13.25 × 4 =
  14. 14.59 × 4 =
  15. 15.13 × 4 =
  16. 16.54 × 4 =
  17. 17.6 × 4 =
  18. 18.15 × 4 =
  19. 19.8 × 4 =
  20. 20.7 × 4 =
  21. 21.30 × 4 =
  22. 22.26 × 4 =
  23. 23.11 × 4 =
  24. 24.35 × 4 =
  25. 25.19 × 4 =
  26. 26.48 × 4 =
  27. 27.24 × 4 =
  28. 28.9 × 4 =
  29. 29.20 × 4 =
  30. 30.21 × 4 =
  31. 31.41 × 4 =
  32. 32.42 × 4 =
  33. 33.58 × 4 =
  34. 34.39 × 4 =
  35. 35.23 × 4 =
  36. 36.28 × 4 =
  37. 37.14 × 4 =
  38. 38.36 × 4 =
  39. 39.38 × 4 =
  40. 40.51 × 4 =

Answer key

  1. 180
  2. 68
  3. 72
  4. 224
  5. 128
  6. 116
  7. 48
  8. 148
  9. 124
  10. 228
  11. 88
  12. 208
  13. 100
  14. 236
  15. 52
  16. 216
  17. 24
  18. 60
  19. 32
  20. 28
  21. 120
  22. 104
  23. 44
  24. 140
  25. 76
  26. 192
  27. 96
  28. 36
  29. 80
  30. 84
  31. 164
  32. 168
  33. 232
  34. 156
  35. 92
  36. 112
  37. 56
  38. 144
  39. 152
  40. 204

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