Unit Plan
Khan Academy

Khan Academy: Find Perimeter When Given Side Lengths

For Students 2nd - 4th Standards
Find perimeter of figures when given an image or context. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints. CCSS.Math.Content.3.MD.D.8 Solve real world and...
Handout
Math Open Reference

Math Open Reference: Perimeter of a Polygon

For Students 9th - 10th
Learn about the perimeter of a polygon with this resource which offers detailed explanations, examples, and an interactive. Subjects covered include how to find the perimeter. Links to related topics.
Handout
Math Open Reference

Math Open Reference: Area of a Square

For Students 9th - 10th Standards
A complete reference guide to finding the area of a square. It provides definitions, examples, and interactive activities that enhance further explanation. Includes links to related topics.
Activity
Scholastic

Scholastic Lesson Plan: New Way to Measure Area

For Teachers 3rd - 8th Standards
This article describes a new approach to teaching children more than just memorizing a formula to find area and hope they don't confuse it with perimeter. This approach involves a project with real life situations....
Lesson Plan
Writing Fix

Writing Fix: Shape "Monsters" at Night

For Teachers Pre-K - 1st
Using Melanie Watt's book entitled Scaredy Squirrel at Night, this multi-day activity allows students to apply information about Scaredy Squirrel's night time experiences and its fears as their final product model. Students will create...