A ruler can be used to draw straight lines and to take measurements of lines. Take measurements in inches or centimeters by using a ruler with help from a tutor and teacher in this free video on educational tools and teaching.
Expert: Samir Malik
Bio: Samir Malik has tutored Austin, Texas-area high school to elementary school-level students in all subjects for the last three years.
Filmmaker: Todd Green
Awesome! You'd be surprised how many adults don't know how to use a ruler properly. They should show this video on television.
improvmaniac 2 years ago 12
you have really opened my eyes!
jackturner1993 2 years ago 7