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# Browse results: Circles

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## Concentric Circles

In this video segment you’ll discover how using concentric circles can help you determine how much paint is needed to cover the deck of a carousel.

9-12

Video

## Distance Difference

Using circumference, this segment measures the total distant traveled by two carousel riders after the carousel has rotated 10 times.

9-12

Video

## Finding the Circle's Center

In this video segment from Cyberchase, the CyberSquad must find the exact center of a circle in order to save Motherboard.

Accessibility features: Transcript

3-6

Video

## Measuring Different Lanes on the Track

In this video segment from Cyberchase, Bianca competes in her first track meet, but doubts the fairness of starting further back in the inside track lane for a 200 meter race.

Accessibility features: Transcript

4-8

Video

## Properties of Circles

Students practice circle geometry by learning to draw a perfect circle using a radius and finding the center of a circle by folding it into quarters.

3-5

Lesson Plan

## Relating to Metric Measurement

Students become more familiar and proficient at metric unit measurement by examining measurement and predictions concerning indoor tracks (200 m) and outdoor tracks (400 m).

4-7

Lesson Plan

## Tricking Hacker

In this video segment from Cyberchase, the CyberSquad must reclaim the Totally Rad Ring by measuring its radius to create a perfect duplicate.

Accessibility features: Transcript

3-6

Video

RESULTS 1-7 OF 7