Website
Other

Some Printable Paper Rulers

For Teachers Pre-K - 1st
Site provides various rulers that you can print out and have children use in the classroom. Great resource for math teachers!
Website
Other

Some Printable Paper Rulers

For Teachers Pre-K - 1st
Site provides various rulers that you can print out and have children use in the classroom. Great resource for math teachers!
Whiteboard
ClassFlow

Class Flow: Customary Length

For Teachers 3rd - 8th Standards
[Free Registration/Login Required] This flipchart focuses on reading a customary ruler to the eighth of an inch (introduction to sixteenth of an inch). Conversion in the customary system is introduced using ratios and proportions.
Lesson Plan
Middle School Science

Middle School science.com: Smile Metric Style Lesson

For Teachers 4th - 8th Standards
In this lesson plan site, students will learn how to use a metric ruler to measure length, accurately read and record measurements taken in centimeters and millimeters, and collect and analyze data using a stem and leaf.
Activity
Annenberg Foundation

Annenberg Learner: From Corner to Corner

For Students 2nd - 5th Standards
Measure the lengths and diagonals of three squares with a ruler. Look over your measurements and try to come up with a rule of thumb for estimating the length of a diagonal if you know the length of a side.
Lesson Plan
Better Lesson

Better Lesson: Centimeters and Inches

For Teachers 2nd Standards
How do we understand the difference between inches and centimeters? Why does measuring a given object in centimeters always give a bigger number than measuring the same object in inches? This instructional activity includes detailed...
Activity
TeachEngineering

Teach Engineering: Robotic Perimeter

For Teachers 3rd - 5th
Students learn and practice how to find the perimeter of a polygonal shape. Using a ruler, they measure model rooms made of construction paper walls. They learn about other tools, such as a robot, that can help them take measurements....
Activity
Math Open Reference

Math Open Reference: Constructions

For Students 9th - 10th Standards
Learn about drawing shapes using only a compass and straight edge or ruler with out measuring any lengths or angles.
Lesson Plan
Alabama Learning Exchange

Alex: The Clock Tower

For Teachers 9th - 10th
This project resulted from the collaboration of a computer aided drafting teacher (pre-engineering), Chris Bond, and a math teacher, Lee Cable, (Hewitt-Trussville High School) to provide higher math expectations in CT and real life...