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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 813 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.15 × 4 =
  2. 2.39 × 4 =
  3. 3.8 × 4 =
  4. 4.18 × 4 =
  5. 5.32 × 4 =
  6. 6.33 × 4 =
  7. 7.26 × 4 =
  8. 8.28 × 4 =
  9. 9.36 × 4 =
  10. 10.13 × 4 =
  11. 11.59 × 4 =
  12. 12.23 × 4 =
  13. 13.16 × 4 =
  14. 14.14 × 4 =
  15. 15.29 × 4 =
  16. 16.24 × 4 =
  17. 17.51 × 4 =
  18. 18.9 × 4 =
  19. 19.50 × 4 =
  20. 20.20 × 4 =
  21. 21.60 × 4 =
  22. 22.45 × 4 =
  23. 23.10 × 4 =
  24. 24.19 × 4 =
  25. 25.55 × 4 =
  26. 26.34 × 4 =
  27. 27.40 × 4 =
  28. 28.44 × 4 =
  29. 29.22 × 4 =
  30. 30.7 × 4 =
  31. 31.21 × 4 =
  32. 32.52 × 4 =
  33. 33.42 × 4 =
  34. 34.35 × 4 =
  35. 35.41 × 4 =
  36. 36.47 × 4 =
  37. 37.27 × 4 =
  38. 38.56 × 4 =
  39. 39.30 × 4 =
  40. 40.38 × 4 =

Answer key

  1. 60
  2. 156
  3. 32
  4. 72
  5. 128
  6. 132
  7. 104
  8. 112
  9. 144
  10. 52
  11. 236
  12. 92
  13. 64
  14. 56
  15. 116
  16. 96
  17. 204
  18. 36
  19. 200
  20. 80
  21. 240
  22. 180
  23. 40
  24. 76
  25. 220
  26. 136
  27. 160
  28. 176
  29. 88
  30. 28
  31. 84
  32. 208
  33. 168
  34. 140
  35. 164
  36. 188
  37. 108
  38. 224
  39. 120
  40. 152

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