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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 905 · 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. 2.12 × 4 =
  3. 3.22 × 4 =
  4. 4.51 × 4 =
  5. 5.48 × 4 =
  6. 6.36 × 4 =
  7. 7.39 × 4 =
  8. 8.20 × 4 =
  9. 9.53 × 4 =
  10. 10.15 × 4 =
  11. 11.28 × 4 =
  12. 12.59 × 4 =
  13. 13.11 × 4 =
  14. 14.23 × 4 =
  15. 15.9 × 4 =
  16. 16.10 × 4 =
  17. 17.30 × 4 =
  18. 18.35 × 4 =
  19. 19.18 × 4 =
  20. 20.8 × 4 =
  21. 21.33 × 4 =
  22. 22.27 × 4 =
  23. 23.45 × 4 =
  24. 24.13 × 4 =
  25. 25.19 × 4 =
  26. 26.16 × 4 =
  27. 27.17 × 4 =
  28. 28.21 × 4 =
  29. 29.43 × 4 =
  30. 30.34 × 4 =
  31. 31.31 × 4 =
  32. 32.32 × 4 =
  33. 33.54 × 4 =
  34. 34.40 × 4 =
  35. 35.47 × 4 =
  36. 36.6 × 4 =
  37. 37.44 × 4 =
  38. 38.57 × 4 =
  39. 39.49 × 4 =
  40. 40.55 × 4 =

Answer key

  1. 100
  2. 48
  3. 88
  4. 204
  5. 192
  6. 144
  7. 156
  8. 80
  9. 212
  10. 60
  11. 112
  12. 236
  13. 44
  14. 92
  15. 36
  16. 40
  17. 120
  18. 140
  19. 72
  20. 32
  21. 132
  22. 108
  23. 180
  24. 52
  25. 76
  26. 64
  27. 68
  28. 84
  29. 172
  30. 136
  31. 124
  32. 128
  33. 216
  34. 160
  35. 188
  36. 24
  37. 176
  38. 228
  39. 196
  40. 220

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