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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 768 · 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. 2.13 × 4 =
  3. 3.60 × 4 =
  4. 4.18 × 4 =
  5. 5.20 × 4 =
  6. 6.25 × 4 =
  7. 7.37 × 4 =
  8. 8.24 × 4 =
  9. 9.46 × 4 =
  10. 10.30 × 4 =
  11. 11.10 × 4 =
  12. 12.11 × 4 =
  13. 13.53 × 4 =
  14. 14.31 × 4 =
  15. 15.43 × 4 =
  16. 16.28 × 4 =
  17. 17.21 × 4 =
  18. 18.8 × 4 =
  19. 19.22 × 4 =
  20. 20.57 × 4 =
  21. 21.26 × 4 =
  22. 22.39 × 4 =
  23. 23.52 × 4 =
  24. 24.49 × 4 =
  25. 25.7 × 4 =
  26. 26.14 × 4 =
  27. 27.40 × 4 =
  28. 28.36 × 4 =
  29. 29.45 × 4 =
  30. 30.32 × 4 =
  31. 31.19 × 4 =
  32. 32.58 × 4 =
  33. 33.12 × 4 =
  34. 34.9 × 4 =
  35. 35.50 × 4 =
  36. 36.23 × 4 =
  37. 37.15 × 4 =
  38. 38.59 × 4 =
  39. 39.48 × 4 =
  40. 40.44 × 4 =

Answer key

  1. 204
  2. 52
  3. 240
  4. 72
  5. 80
  6. 100
  7. 148
  8. 96
  9. 184
  10. 120
  11. 40
  12. 44
  13. 212
  14. 124
  15. 172
  16. 112
  17. 84
  18. 32
  19. 88
  20. 228
  21. 104
  22. 156
  23. 208
  24. 196
  25. 28
  26. 56
  27. 160
  28. 144
  29. 180
  30. 128
  31. 76
  32. 232
  33. 48
  34. 36
  35. 200
  36. 92
  37. 60
  38. 236
  39. 192
  40. 176

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