# Streaming

High (X) - Geometry (X) - Streaming (X)

## Dangle Angle | STEM Alive

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An inclinometer, for measuring unreachable heights and more! This easily made sighting device can measure the angles of lines of sight. Students will gain hands-on insight into understanding and measuring different angles.

## West Virginia | Pipefitter and the Pythagorean Theorem

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An apprentice pipefitter explains how he uses math and science in his every day work tasks in this video for WV Steam.

## The Curve of the Earth | Genius by Stephen Hawking

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With just a stick in the ground, the Greek mathematician Aristophanes calculated the diameter of the Earth. Today, even with lasers and GPS, his calculations are still considered accurate.

## Who are the Northern Arapaho? | Wyoming's Native Americans

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How did the Northern Arapaho come to Wyoming? What are the Arapaho values? Why were Arapaho tribal names changed?

## Who are the Eastern Shoshone? | Wyoming's Native Americans

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How and when did the Eastern Shoshone come to Wyoming? What are the Shoshone values? What are the people of the Eastern Shoshone like?

## Machinist | Great Job!

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Machinist John Morris uses a computerized machining center to produce complicated parts out of metal & plastic that are accurate to fractions of an inch.

## Shoshone Parfleche | Wyoming's Native Americans

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Students will gain an understanding of the Shoshone tribe while learning about the Shoshone Parfleche from the WyomingPBS video.

## What is a fractal (and why do they matter)? | MIT's Science Out Loud

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Fractals are complex, never-ending patterns created by repeating mathematical equations. Yuliya, a undergrad in Math at MIT, delves into their mysterious properties and how they can be found in technology and nature.

## Rotation

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In this animated Math Shorts video from the Utah Education Network, learn about rotation, which describes how a geometric shape turns around a point, called the center of rotation. When a geometric shape rotates on a coordinate plane, it stays exactly the same distance from the center of rotation. In the accompanying classroom activity, students are given two rotations from a handout and work in pairs to try to determine whether one figure is a rotation of the other figure around the given point. If the figure is a rotation, the student pair must add one more rotation to the grid. If the figure is not a rotation, the student pair must add one accurate rotation to the grid. This resource is part of the Math at the Core: Middle School Collection.

## Translation

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In this animated Math Shorts video from the Utah Education Network, learn about translation, which occurs when a geometric shape slides from one location to another on a coordinate plane. The shape itself doesn’t change, just its location. The animation also explains mapping notations, which designate how far and in what direction a shape moves. In the accompanying classroom activity, students solve a series of practice translation problems and explain to one another what they did to solve them. This resource is part of the Math at the Core: Middle School Collection.

## Reflection

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In this animated Math Shorts video from the Utah Education Network, learn about reflection, one type of movement for geometric shapes. The animation relates the geometric meaning of reflection to its more common understanding—a mirror image—and then displays geometric shapes on a coordinate plane reflecting through the x-axis and y-axis. In the accompanying classroom activity, students design a geometric figure in one quadrant and then reflect it into at least one other quadrant. They earn points by designing more complicated shapes or reflecting a shape into more quadrants. This resource is part of the Math at the Core: Middle School Collection.

## WorkKeys Applied Mathematics | Level 5

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Level 5 of the WorkKeys Applied Mathematics assessment requires learners to solve multi-step problems. These videos and worksheets are designed to help learners apply mathematical reasoning, critical thinking, and problem-solving techniques to work-related problems.

These resources are part of KET’s Applied Mathematics: Resources for WorkKeys® and GED® Preparation collection.

## Volume of Cones, Cylinders, and Spheres: Volume of a Sphere

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Learn how to find the volume of a sphere.>

## Rotation and Dilation

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In this video from KCPT, watch an animated demonstration of rotating and dilating a triangle on the coordinate plane. In the accompanying classroom activity, students watch the video; draw rotations and dilations of a triangle; and identify center of rotation, angle of rotation, and scale factors in classmates drawings. To get the most from the lesson, students should be comfortable graphing points on the coordinate plane and reproducing a drawing of a geometric shape at a different scale. Prior exposure to rotation and dilation is helpful.

## The Angle on Pool

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Investigate how players think about angles in the game of pool. This video focuses on how using forward and reverse spin effects the rebound angle of the cue ball and how angles help to correctly aim your bank shot taking math out of the classroom and into the real world.