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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 200 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.7 × 4 =
  2. 2.17 × 4 =
  3. 3.51 × 4 =
  4. 4.8 × 4 =
  5. 5.11 × 4 =
  6. 6.20 × 4 =
  7. 7.49 × 4 =
  8. 8.14 × 4 =
  9. 9.38 × 4 =
  10. 10.19 × 4 =
  11. 11.52 × 4 =
  12. 12.60 × 4 =
  13. 13.28 × 4 =
  14. 14.18 × 4 =
  15. 15.36 × 4 =
  16. 16.22 × 4 =
  17. 17.13 × 4 =
  18. 18.46 × 4 =
  19. 19.41 × 4 =
  20. 20.31 × 4 =
  21. 21.25 × 4 =
  22. 22.15 × 4 =
  23. 23.37 × 4 =
  24. 24.54 × 4 =
  25. 25.35 × 4 =
  26. 26.53 × 4 =
  27. 27.16 × 4 =
  28. 28.39 × 4 =
  29. 29.56 × 4 =
  30. 30.50 × 4 =
  31. 31.21 × 4 =
  32. 32.59 × 4 =
  33. 33.55 × 4 =
  34. 34.30 × 4 =
  35. 35.34 × 4 =
  36. 36.12 × 4 =
  37. 37.48 × 4 =
  38. 38.43 × 4 =
  39. 39.26 × 4 =
  40. 40.42 × 4 =

Answer key

  1. 28
  2. 68
  3. 204
  4. 32
  5. 44
  6. 80
  7. 196
  8. 56
  9. 152
  10. 76
  11. 208
  12. 240
  13. 112
  14. 72
  15. 144
  16. 88
  17. 52
  18. 184
  19. 164
  20. 124
  21. 100
  22. 60
  23. 148
  24. 216
  25. 140
  26. 212
  27. 64
  28. 156
  29. 224
  30. 200
  31. 84
  32. 236
  33. 220
  34. 120
  35. 136
  36. 48
  37. 192
  38. 172
  39. 104
  40. 168

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