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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 890 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.23 × 4 =
  2. 2.6 × 4 =
  3. 3.8 × 4 =
  4. 4.25 × 4 =
  5. 5.11 × 4 =
  6. 6.53 × 4 =
  7. 7.32 × 4 =
  8. 8.28 × 4 =
  9. 9.54 × 4 =
  10. 10.48 × 4 =
  11. 11.60 × 4 =
  12. 12.19 × 4 =
  13. 13.24 × 4 =
  14. 14.35 × 4 =
  15. 15.12 × 4 =
  16. 16.15 × 4 =
  17. 17.9 × 4 =
  18. 18.37 × 4 =
  19. 19.39 × 4 =
  20. 20.50 × 4 =
  21. 21.10 × 4 =
  22. 22.7 × 4 =
  23. 23.38 × 4 =
  24. 24.21 × 4 =
  25. 25.13 × 4 =
  26. 26.31 × 4 =
  27. 27.20 × 4 =
  28. 28.41 × 4 =
  29. 29.27 × 4 =
  30. 30.33 × 4 =
  31. 31.56 × 4 =
  32. 32.45 × 4 =
  33. 33.52 × 4 =
  34. 34.49 × 4 =
  35. 35.18 × 4 =
  36. 36.55 × 4 =
  37. 37.44 × 4 =
  38. 38.47 × 4 =
  39. 39.46 × 4 =
  40. 40.51 × 4 =

Answer key

  1. 92
  2. 24
  3. 32
  4. 100
  5. 44
  6. 212
  7. 128
  8. 112
  9. 216
  10. 192
  11. 240
  12. 76
  13. 96
  14. 140
  15. 48
  16. 60
  17. 36
  18. 148
  19. 156
  20. 200
  21. 40
  22. 28
  23. 152
  24. 84
  25. 52
  26. 124
  27. 80
  28. 164
  29. 108
  30. 132
  31. 224
  32. 180
  33. 208
  34. 196
  35. 72
  36. 220
  37. 176
  38. 188
  39. 184
  40. 204

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