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Measurement

# Polygons

BACK TO:

## Calculating Rectangular Area

In this video segment from Cyberchase, the CyberSquad measures Judge Trudy's land claim by using tarps, fence posts and a grid made with rope.

3-6

Video

## Comparing Regular and Irregular Areas

The CyberSquad proves that the area of Hacker's land is equal to the area of Judge Trudy's land in this video segment from Cyberchase.

3-6

Video

## Measuring Area

Students calculate the areas of polygonal figures. They use hash marks to create square units and to count the units, including half-units.

3-6

Lesson Plan

## Measuring for an Exact Fit

In this Cyberchase video segment, the CyberSquad must figure out how to construct rectangular lids to fit precisely on two different boxes.

3-6

Video

## Perimeter and Area Together

Students recognize that rectangles can have the same perimeters but different areas. They are asked to calculate the perimeters and areas of different rectangles and understand the concept of maximum area.

4-7

Lesson Plan

## Skate-Off: Final Round, Inez vs. Rimm

In this Cyberchase video segment, the CyberSquad learns what happens to the area of a rectangle when the shape enclosed by the perimeter changes.

4-8

Video

## Skate-Off: Round One

In this Cyberchase video segment, the CyberSquad learns what happens to the area of a rectangle when the shape enclosed by the perimeter changes.

4-8

Video