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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 658 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.51 × 4 =
  2. 2.50 × 4 =
  3. 3.37 × 4 =
  4. 4.19 × 4 =
  5. 5.33 × 4 =
  6. 6.34 × 4 =
  7. 7.58 × 4 =
  8. 8.41 × 4 =
  9. 9.57 × 4 =
  10. 10.43 × 4 =
  11. 11.29 × 4 =
  12. 12.52 × 4 =
  13. 13.17 × 4 =
  14. 14.12 × 4 =
  15. 15.55 × 4 =
  16. 16.27 × 4 =
  17. 17.11 × 4 =
  18. 18.20 × 4 =
  19. 19.60 × 4 =
  20. 20.40 × 4 =
  21. 21.39 × 4 =
  22. 22.44 × 4 =
  23. 23.24 × 4 =
  24. 24.26 × 4 =
  25. 25.21 × 4 =
  26. 26.25 × 4 =
  27. 27.32 × 4 =
  28. 28.14 × 4 =
  29. 29.16 × 4 =
  30. 30.9 × 4 =
  31. 31.53 × 4 =
  32. 32.10 × 4 =
  33. 33.49 × 4 =
  34. 34.22 × 4 =
  35. 35.18 × 4 =
  36. 36.15 × 4 =
  37. 37.35 × 4 =
  38. 38.7 × 4 =
  39. 39.23 × 4 =
  40. 40.30 × 4 =

Answer key

  1. 204
  2. 200
  3. 148
  4. 76
  5. 132
  6. 136
  7. 232
  8. 164
  9. 228
  10. 172
  11. 116
  12. 208
  13. 68
  14. 48
  15. 220
  16. 108
  17. 44
  18. 80
  19. 240
  20. 160
  21. 156
  22. 176
  23. 96
  24. 104
  25. 84
  26. 100
  27. 128
  28. 56
  29. 64
  30. 36
  31. 212
  32. 40
  33. 196
  34. 88
  35. 72
  36. 60
  37. 140
  38. 28
  39. 92
  40. 120

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