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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 886 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.43 × 4 =
  2. 2.12 × 4 =
  3. 3.39 × 4 =
  4. 4.11 × 4 =
  5. 5.15 × 4 =
  6. 6.52 × 4 =
  7. 7.13 × 4 =
  8. 8.7 × 4 =
  9. 9.40 × 4 =
  10. 10.29 × 4 =
  11. 11.41 × 4 =
  12. 12.24 × 4 =
  13. 13.30 × 4 =
  14. 14.45 × 4 =
  15. 15.49 × 4 =
  16. 16.37 × 4 =
  17. 17.10 × 4 =
  18. 18.20 × 4 =
  19. 19.26 × 4 =
  20. 20.9 × 4 =
  21. 21.42 × 4 =
  22. 22.8 × 4 =
  23. 23.21 × 4 =
  24. 24.53 × 4 =
  25. 25.34 × 4 =
  26. 26.18 × 4 =
  27. 27.47 × 4 =
  28. 28.32 × 4 =
  29. 29.31 × 4 =
  30. 30.27 × 4 =
  31. 31.54 × 4 =
  32. 32.28 × 4 =
  33. 33.51 × 4 =
  34. 34.59 × 4 =
  35. 35.38 × 4 =
  36. 36.33 × 4 =
  37. 37.50 × 4 =
  38. 38.56 × 4 =
  39. 39.14 × 4 =
  40. 40.25 × 4 =

Answer key

  1. 172
  2. 48
  3. 156
  4. 44
  5. 60
  6. 208
  7. 52
  8. 28
  9. 160
  10. 116
  11. 164
  12. 96
  13. 120
  14. 180
  15. 196
  16. 148
  17. 40
  18. 80
  19. 104
  20. 36
  21. 168
  22. 32
  23. 84
  24. 212
  25. 136
  26. 72
  27. 188
  28. 128
  29. 124
  30. 108
  31. 216
  32. 112
  33. 204
  34. 236
  35. 152
  36. 132
  37. 200
  38. 224
  39. 56
  40. 100

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