Math

Math (X) - Professional (X)

Equal Amounts of Gold | Cyberchase

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In this video segment from Cyberchase, the CyberSquad must help Pin and Pan divide fifteen gold bars equally between them. Many of the bars are different sizes, however, and the CyberSquad must add up fractional parts of the gold bars in order to give both Pin and Pan their fair share of gold.

Frog Hops, Part 2 | Cyberchase

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In this video segment from Cyberchase, the CyberSquad observes the movement of Hacker’s robotic frog. The frog has been programmed to make a certain number of hops depending on the button that is pushed.The CyberSquad figured out the original input/output pattern but now the frog is larger, and there is a new pattern they must figure out in order to control the frog.

I <3 Math: Integers

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Exploring positive and negative integers and how we use them in the real world. This I <3 Math episode explains the difference between positive and negative numbers and how these numbers can be represented on a number line.

Commutative and Associative Properties of Addition

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Generate equivalent expressions using two additive properties. This video focuses on using the associative and commutative properties of addition to combine like terms, simplify expressions, and create equivalent expressions.

This video was submitted through the Innovation Math Challenge, a contest open to professional and nonprofessional producers and is part of the Math at the Core: Middle School collection.

Is It Square?

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See three techniques for determining whether a rectangle truly has square corners. Learn more about construction technologies in this animation from Design Squad Nation.

Do an Hour of Code | Tynker

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Build the computer literacy and problem solving skills students need to become innovators of the future.

Introduce students to computer programming, or take their coding skills to the next level as they engage in fun activities and projects that enhance STEM learning outcomes. With an Hour of Code with Tynker, teachers can easily introduce the basics of computer programming in a fun and intuitive way.  Start with any of the six adventure puzzles, then students can apply what they’ve learned to create fun projects to share with others – multi-level and multi-player games, math patterns, interactive comics and greeting cards.

No programming experience is required.  Use the resources provided to quickly plan a successful Hour of Code for your class. Students can access Candy Quest and Dragon Dash puzzles from this site.  The rest of the activities, plus a teacher's guide and answer keys, can be found at hourofcode.tynker.com.

Deepening Conceptual Understanding

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Steve Hinds demonstrates an approach to graphing function solutions that is based on the underlying meaning of the points, and not on mechanically following a procedure. (Click here for the background essay.)

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Steve Hinds demonstrates and discusses how teachers can successfully and gradually move from informal to more formal representations of functions. (Click here for the background essay.)

Communicating in Math Classrooms

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Steve Hinds demonstrates how a teacher can circulate and question students to assess their understanding, get them to explain and evaluate each other’s thinking, and guide them in productive directions without telling them what to do. (Click here for the background essay.)

The Math of the Winter Olympic Games | Things Explained: Angles

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In this episode of Things Explained, we take a look at Winter Olympic sports from a different angle and see how geometry plays an important role in bringing home the gold.

3M's: Mean, Median, and Mode | Mr. C: Math and Science

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Learn about Mean, Median and Mode with this fun and upbeat song that will get you singing and dancing about data!

PEMDAS: Order of Operations | Mr. C: Math and Science

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The "order of operations" is a key strategy to help students understand which operation should be tackled first. Mister C’s song will not only get kids dancing, it will help them remember these critical steps when solving equations.

Muffin a Disparu | Découverte

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This French animation takes children on a hunt through the backyard to find Muffin, a missing cat. Students will need to use their knowledge about counting by ones and twos, sorting by color, and patterns to reunite Muffin with her owner in time for dinner.

A Flooding Threat

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In this video segment from Cyberchase, the CyberSquad has returned to Sensible Flats to help refill the reservoir. In order to prevent the reservoir from flooding the town, the CyberSquad creates a graph to predict the increase in water level over time.

Solving an Equation for a Missing Value

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In this video segment from Cyberchase, the CyberSquad must figure out the correct number code to unlock a machine. They have two numbers on one side, but are missing one of the numbers on the other side. The sum of the numbers must be equal on each side, so by subtracting the same number from each side they are able to determine the missing number.