Math

Predicting Travel Time Using Line Graphs

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In this Cyberchase video segment, Harry wants to visit his grandmother. He decides that the cheapest way for him to get there is to travel by unicycle, but he wonders if he can get there before dark. Using a line graph, he tries to predict the amount of time it will take to travel the twenty miles, assuming he travels at a constant speed. Once he sets out on his unicycle, he charts his progress on a new line graph. After the first hour he appears to be ahead of schedule, but he is not able to keep up the pace and soon finds himself falling behind.

Adding Negative Numbers | PBS Math Club

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Challenge your knowledge of addition of positive and negative integers with this YouTube quiz from the PBS Math Club.

Raising the Bar | Cyberchase

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In this video segment from Cyberchase, Harry and Bianca have new jobs at a movie theater concession stand. They compete with each other to see who can sell the most snacks, and they report their sales using bar graphs. When their graphs are compared, it appears that Harry has sold more, but Bianca is not so sure, so she takes a closer look at the scale of each graph.

What is an Integer? - Quiz | PBS Math Club

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Challenge your knowledge of positive and negative integers with this YouTube quiz from the PBS Math Club.

Planning a Paper Route

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Harry agrees to take over his brother Pete's paper route for a week. After starting the job, he realizes the route was not planned out very well. He tries to rework it by analyzing the list of addresses. After making some adjustments to his list, he is able to create a new, easier and more efficient route.

"Trick" for Adding and Subtracting HUGE Numbers | PBS Math Club

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Introducing a "trick" for the addition and subtraction of positive and negative numbers. This Math Club episode provides the ABCDE's to remember the rules for the sums and differences of signed numbers.

Staircases of Shangri-La | Cyberchase

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In this video segment from Cyberchase,Hacker and the CyberSquad use two different staircases as they race to reach the Good Vibration. How will reach the top of the mountain first?

Data Analysis Using Mean, Median, Mode, and Range

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In this media gallery, a series of videos examines the mathematical concepts of mean, median, mode, and range. The accompanying classroom activity asks students to build on what they’ve learned by playing a game called "Sure Shots." In this game, students are directed to find out how many attempts it takes, on average, to get a pom-pom into a can. Students make a series of attempts and collect the data. Then, after a group discussion, they take the data and determine the mean, median, mode, or range. This resource is part of the Math at the Core: Middle School Collection.

Balancing Equations with Multiple Terms | Cyberchase

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In this video segment from Cyberchase, Inez and Digit are attempting to gain access to a machine in order to save Sensible Flats from disaster. First, they must balance a scale to get the correct numeric access code. In order to do that they have to balance a scale using four weights on each side. They soon learn that adding or removing the same weight from each side does not upset the balance of the scale.

Scale City: Greetings from Sky-Vue Drive-In

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Greetings from Sky-Vue Drive-In takes students on a tour through the history of drive-in theaters and a visit to one that's still open and thriving in Winchester, Kentucky. Looking at shadows through the drive-in movie projector introduces the relationship of a shadow's size to its distance from the light source.

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