Building a Fence

In this Cyberchase video segment, Harry must build a rectangular fence in his grandmother's backyard using fencing of various sizes.

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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.

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.

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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.

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.

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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.

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Skateboarding

In this video segment from Cyberchase, Bianca gets injured while skateboarding, so her friend brings her a device to use to reach objects while she's recovering in bed.

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Varieties of Quadrilaterals

Students learn to classify quadrilaterals, including trapezoids, with a focus on different types of parallelograms. They learn the relationships among rectangles, squares, and rhombuses as different types of parallelograms.