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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 240 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.40 × 4 =
  2. 2.34 × 4 =
  3. 3.11 × 4 =
  4. 4.6 × 4 =
  5. 5.51 × 4 =
  6. 6.19 × 4 =
  7. 7.31 × 4 =
  8. 8.41 × 4 =
  9. 9.8 × 4 =
  10. 10.13 × 4 =
  11. 11.50 × 4 =
  12. 12.17 × 4 =
  13. 13.57 × 4 =
  14. 14.33 × 4 =
  15. 15.10 × 4 =
  16. 16.44 × 4 =
  17. 17.23 × 4 =
  18. 18.15 × 4 =
  19. 19.38 × 4 =
  20. 20.9 × 4 =
  21. 21.32 × 4 =
  22. 22.30 × 4 =
  23. 23.39 × 4 =
  24. 24.49 × 4 =
  25. 25.7 × 4 =
  26. 26.37 × 4 =
  27. 27.25 × 4 =
  28. 28.24 × 4 =
  29. 29.60 × 4 =
  30. 30.20 × 4 =
  31. 31.21 × 4 =
  32. 32.52 × 4 =
  33. 33.53 × 4 =
  34. 34.54 × 4 =
  35. 35.16 × 4 =
  36. 36.59 × 4 =
  37. 37.28 × 4 =
  38. 38.14 × 4 =
  39. 39.35 × 4 =
  40. 40.46 × 4 =

Answer key

  1. 160
  2. 136
  3. 44
  4. 24
  5. 204
  6. 76
  7. 124
  8. 164
  9. 32
  10. 52
  11. 200
  12. 68
  13. 228
  14. 132
  15. 40
  16. 176
  17. 92
  18. 60
  19. 152
  20. 36
  21. 128
  22. 120
  23. 156
  24. 196
  25. 28
  26. 148
  27. 100
  28. 96
  29. 240
  30. 80
  31. 84
  32. 208
  33. 212
  34. 216
  35. 64
  36. 236
  37. 112
  38. 56
  39. 140
  40. 184

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