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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 131 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.25 × 4 =
  2. 2.50 × 4 =
  3. 3.6 × 4 =
  4. 4.33 × 4 =
  5. 5.55 × 4 =
  6. 6.19 × 4 =
  7. 7.21 × 4 =
  8. 8.11 × 4 =
  9. 9.42 × 4 =
  10. 10.35 × 4 =
  11. 11.54 × 4 =
  12. 12.56 × 4 =
  13. 13.17 × 4 =
  14. 14.59 × 4 =
  15. 15.15 × 4 =
  16. 16.51 × 4 =
  17. 17.46 × 4 =
  18. 18.18 × 4 =
  19. 19.34 × 4 =
  20. 20.16 × 4 =
  21. 21.31 × 4 =
  22. 22.28 × 4 =
  23. 23.22 × 4 =
  24. 24.60 × 4 =
  25. 25.58 × 4 =
  26. 26.14 × 4 =
  27. 27.45 × 4 =
  28. 28.40 × 4 =
  29. 29.32 × 4 =
  30. 30.49 × 4 =
  31. 31.20 × 4 =
  32. 32.41 × 4 =
  33. 33.12 × 4 =
  34. 34.8 × 4 =
  35. 35.10 × 4 =
  36. 36.27 × 4 =
  37. 37.43 × 4 =
  38. 38.24 × 4 =
  39. 39.13 × 4 =
  40. 40.23 × 4 =

Answer key

  1. 100
  2. 200
  3. 24
  4. 132
  5. 220
  6. 76
  7. 84
  8. 44
  9. 168
  10. 140
  11. 216
  12. 224
  13. 68
  14. 236
  15. 60
  16. 204
  17. 184
  18. 72
  19. 136
  20. 64
  21. 124
  22. 112
  23. 88
  24. 240
  25. 232
  26. 56
  27. 180
  28. 160
  29. 128
  30. 196
  31. 80
  32. 164
  33. 48
  34. 32
  35. 40
  36. 108
  37. 172
  38. 96
  39. 52
  40. 92

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