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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 618 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.44 × 4 =
  2. 2.51 × 4 =
  3. 3.23 × 4 =
  4. 4.22 × 4 =
  5. 5.25 × 4 =
  6. 6.58 × 4 =
  7. 7.32 × 4 =
  8. 8.54 × 4 =
  9. 9.27 × 4 =
  10. 10.38 × 4 =
  11. 11.37 × 4 =
  12. 12.11 × 4 =
  13. 13.8 × 4 =
  14. 14.10 × 4 =
  15. 15.56 × 4 =
  16. 16.16 × 4 =
  17. 17.57 × 4 =
  18. 18.41 × 4 =
  19. 19.35 × 4 =
  20. 20.39 × 4 =
  21. 21.36 × 4 =
  22. 22.20 × 4 =
  23. 23.33 × 4 =
  24. 24.21 × 4 =
  25. 25.24 × 4 =
  26. 26.17 × 4 =
  27. 27.13 × 4 =
  28. 28.9 × 4 =
  29. 29.18 × 4 =
  30. 30.59 × 4 =
  31. 31.14 × 4 =
  32. 32.29 × 4 =
  33. 33.19 × 4 =
  34. 34.45 × 4 =
  35. 35.46 × 4 =
  36. 36.40 × 4 =
  37. 37.12 × 4 =
  38. 38.26 × 4 =
  39. 39.42 × 4 =
  40. 40.34 × 4 =

Answer key

  1. 176
  2. 204
  3. 92
  4. 88
  5. 100
  6. 232
  7. 128
  8. 216
  9. 108
  10. 152
  11. 148
  12. 44
  13. 32
  14. 40
  15. 224
  16. 64
  17. 228
  18. 164
  19. 140
  20. 156
  21. 144
  22. 80
  23. 132
  24. 84
  25. 96
  26. 68
  27. 52
  28. 36
  29. 72
  30. 236
  31. 56
  32. 116
  33. 76
  34. 180
  35. 184
  36. 160
  37. 48
  38. 104
  39. 168
  40. 136

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