# Geometry

Cyberchase (X) - Geometry (X)

## Bianca's Good Turn

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In this Cyberchase video clip, Bianca goes to an arcade in Times Square and tries her hand at Mr. Sleaze's wheel of fortune. She keeps losing the game, but notices that a boy next to her who seems to know Mr. Sleaze keeps winning by betting on black, yellow and blue. Bianca uses her knowledge of geometry and circles and points out that the game is rigged, because the pegs are all placed at different distances from the center. She removes the pegs and builds her own fair version of the game.

## Bianca's Hoop Dream

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In this Cyberchase video clip, Bianca takes her sister to basketball practices. After Bianca's sister discovers that her coach isn't there, she asks Bianca to act as their substitute coach and help them prepare for their upcoming tournament. Bianca runs drills and attempts running a play, but becomes frustrated when the girls are confused about what to do. Bianca's sister helps her use a diagram to illustrate the play, which clarifies it for the team. Later, the girls end up winning the tournament.

## A Gift for Mother's Day

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In this "Cyberchase" video clip, Buzz, Hacker and Delete watch a commercial that features perfectly symmetrical shapes. Students will see that when a shape is symmetrical, both parts on opposite sides of a dividing line correspond in size and shape.

## A Different Point of View

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In this video clip, students will look at Sleight and Presto from different points of view to see different geometric shapes. The video helps students to see which points of view Sleight and Presto look the same (front and side) and different (top) from.

## Let's Tesselate 'Em!

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In this Cyberchase video clip, the CyberSquad needs to build a tile path so they can walk across red-hot lava. Digit reminds the team that there cannot be any gaps in the tiles or their feet will burn. After lining triangles up next to each other, they recognize that upside-down triangles will fill the spaces between the up-right triangles. They continue the pattern as a tessellation in order to build a safe path to walk across.

## Identifying the Synchronium Crystal

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In this Cyberchase video clip, Jackie and Inez gather information from Digit about the shape and size of a synchrometer crystal he needs. They find out that the crystal has six sides and six triangles on the top. Using this information, they generate a three-dimensional image of the object and begin their search in a room full of differently shaped cystals.

## Cyberchase: How Does Your Garden Grow?

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In this media-rich activity from Cyberchase, students review the elements that are needed to make a garden grow. They use math to measure the area of a garden and learn that area can be the same even if the geometric shape is different. Students then apply their knowledge of area and gardening to plan and create individual shoe box gardens.

## Cyberchase: Classroom of the Future

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In this media-rich activity from Cyberchase, students learn that surveys are an efficient way to collect data and to help make decisions based on evidence. They formulate survey questions about the classroom of the future, collect survey data, and analyze the data. They then apply the data to make decisions about changes that might be implemented in their classroom today.

## Formulas for a Circle

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This media gallery uses video from Cyberchase to teach students how to determine the diameter, radius, and circumference of circle, including how to use pi to find the circumference. In the accompanying classroom activity, students test the theories presented in the videos and record their findings. This resource is part of the Math at the Core: Middle School Collection.

## Two Points Determine a Line

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In this segment from Cyberchase, Digit must make a straight line between two points and then follow the path created.