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Students discover a formula for finding the perimeter of a rectangle by using string. After a lecture/demo, students receive a worksheet with pre-drawn rectangles so they can practice computing perimeter with their string.
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A Five Day Approach to Using Technology and Manipulatives to Explore Area and Perimeter
Young mathematicians build an understanding of area and perimeter with their own two hands in a series of interactive geometry lessons. Through the use of different math manipulatives, children investigate the properties of rectangles,...
3rd - 6th Math CCSS: Adaptable
Perimeter and Area of Polygonal Regions in the Cartesian Plane
How many sides does that polygon have? Building directly from lesson number eight in this series, learners now find the area and perimeter of any polygon on the coordinate plane. They decompose the polygons into triangles and use Green's...
9th - 12th Math CCSS: Designed
What's the Formula for the Perimeter of a Rectangle?
Discover how to find the algebraic formula for the perimeter of a rectangle through this tutorial. Your algebra learners will be guided towards the thinking steps around this concept. After showing the video, invite your class to model...
4 mins 6th - 12th Math