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# Episode 805: The Bluebird of Zappiness

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To embarrass Hacker, Ledge sets out to find the key to cure Motherboard, and Hacker is forced to team up with the kids and use ‘shadow math’ in Groundhoggia to unravel clues to stop him.

For Real segment: Harry and Harley find a wad of cash on the sidewalk and use some photos they took, plus shadow math, to figure out the rightful owner and return the money.

Learning Goals

When your child knows the height of an object, she can use the length of its shadow to figure out the height of something else – even if it is too tall to measure directly.

Topics: Pre-Algebra, Measurement, Measuring Shadows to Find Height

The CyberSquad uses a map to navigate across an island to rescue Dr. Marbles from Hacker.

For Real segment:  Bianca finds out that maps are great navigational tools when you know how to use them.

Learning Goals

A map is a mathematical tool your child can use to find her way from one place to another, anywhere on Earth.

The CyberSquad surveys monsters to find the castle in Castleblanca where Hacker holds Dr. Marbles hostage.

For Real segment: Bianca surveys music store customers to decide which new CD to buy for her sister’s birthday.

Learning Goals

Data is a lot more than a collection of numbers. When your child gathers it, organizes and analyzes it, he can discover useful information hidden in the numbers.

Topics: Using Data

Hacker’s up to no good in R-Fair City and the kids have to analyze games of chance to stop him.

For Real segment: Bianca goes on a quest to find out if flipping a coin really is a fair way to make a decision.

Learning Goals

Even though your child can’t tell when she is going to win in a game of chance, she can still predict her chances of winning and tell if the game is fair or not.

Topics: Using Data: Probability & Chance

The kids and Digit use estimation to save Solaria, a sunny vacation spot, from freezing over forever.

For Real segment: Harry uses speed and distance to estimate the time it will take to get to the theater window before the ticket booth closes.

Learning Goals

Sometimes using a close answer is good enough for the problem your child is solving.

Topics: Using Numbers: Estimation

Has Hacker claimed more land in Sensible Flats than he’s allowed? The kids use a special way to measure area to find out.

For Real segment: Bianca measures the floor area with sleeping bags to find out how many friends she can invite to sleepover.

Learning Goals

To find the area of an object, your child can count how many squares fit on it. But there’s an easier way! Measure an object’s dimensions, and she can use mathematics to calculate its area.

Topics: Measurement: Area

Our favorite team learns about fractions in this fun cyberadventure set in ancient Greece.

For Real segment: Harry uses fractions to divide his date’s lemonade-for-two between eight uninvited people.

Learning Goals

When your child needs to divide things up into parts and share them, fractions are the numbers to use.

Topics: Fractions

The CyberSquad has to learn about double patterns to stop Hacker and get back the power pods of Poddleville.

For Real segment: The cast from the show Stomp demonstrates how patterns can be heard as well as seen.

Learning Goals

Patterns are sequences that repeat or change in an orderly way. Your child can use patterns to predict the next step in solving a problem.

Topics: Pre-Algebra: Patterns

The team helps the fairy tale folk of Happily-Ever-Afterville learn the importance of place value in our number system.

For Real segment: Bianca uses an abacus to count runners in a marathon, and gets some running tips as a bonus.

Learning Goals

Let numbers stand for things in a regular pattern, and your child has the power to keep track of anything and everything.

Topics: Using Numbers: Number Sense

The cyber-team invents a timekeeping device to make sure they can rescue Dr. Marbles before it’s too late!

For Real segment: Harry uses symmetry to make a cake with one side a perfect mirror image of the other.

Learning Goals

To measure the passage of time, your child can choose a starting point and count up the beats of something that repeats at steady, regular intervals.

Topics: Science & Engineering, Measurement: Timekeeping

 Produced by: Funding is provided by: Additional funding is provided by Lynne and Marc Benioff, the Tiger Baron Foundation, Shailaja and Umesh Nagarkatte and Ellen Marcus.

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