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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 902 · 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. 2.28 × 4 =
  3. 3.59 × 4 =
  4. 4.22 × 4 =
  5. 5.21 × 4 =
  6. 6.42 × 4 =
  7. 7.17 × 4 =
  8. 8.23 × 4 =
  9. 9.39 × 4 =
  10. 10.48 × 4 =
  11. 11.44 × 4 =
  12. 12.12 × 4 =
  13. 13.57 × 4 =
  14. 14.31 × 4 =
  15. 15.60 × 4 =
  16. 16.52 × 4 =
  17. 17.53 × 4 =
  18. 18.18 × 4 =
  19. 19.38 × 4 =
  20. 20.51 × 4 =
  21. 21.26 × 4 =
  22. 22.34 × 4 =
  23. 23.55 × 4 =
  24. 24.32 × 4 =
  25. 25.27 × 4 =
  26. 26.7 × 4 =
  27. 27.6 × 4 =
  28. 28.54 × 4 =
  29. 29.19 × 4 =
  30. 30.33 × 4 =
  31. 31.37 × 4 =
  32. 32.13 × 4 =
  33. 33.8 × 4 =
  34. 34.9 × 4 =
  35. 35.14 × 4 =
  36. 36.50 × 4 =
  37. 37.40 × 4 =
  38. 38.49 × 4 =
  39. 39.58 × 4 =
  40. 40.20 × 4 =

Answer key

  1. 100
  2. 112
  3. 236
  4. 88
  5. 84
  6. 168
  7. 68
  8. 92
  9. 156
  10. 192
  11. 176
  12. 48
  13. 228
  14. 124
  15. 240
  16. 208
  17. 212
  18. 72
  19. 152
  20. 204
  21. 104
  22. 136
  23. 220
  24. 128
  25. 108
  26. 28
  27. 24
  28. 216
  29. 76
  30. 132
  31. 148
  32. 52
  33. 32
  34. 36
  35. 56
  36. 200
  37. 160
  38. 196
  39. 232
  40. 80

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