Respuesta :

vivianezeako

First of all, depends on the type of ruler

This is for inches ruler

  1. Get an inch ruler
  2. Learn the inch marks
  3. Learn the 1/2 inch marks
  4. Learn the 1/4 inch marks
  5. Learn the 1/8 inch marks
  6. Learn the 1 6 inch marks

Hope This Helps