Description:Short video (vodcast) explaining the ruler and how it is divided. Video shows students up close how the ruler and tape measure are further broken down into sections.Author:Edward CollinsSchool:Dunedin High School District:PINELLAS Florida county:Bradford CountySubject area:MathematicsGrade levels:K-2,3-5,6-8Keywords:Measurement, linear measurement, measuring lengths, units of measure, tape measure, rulerMedia type:OtherFile size:5.4 MBDownload