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# Episode 707: Spellbound

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## Month: April, 2012

Wicked casts a spell in Pompadoria and Matt & Inez use a grid to accurately describe a spell-breaking symbol so Jackie & Digit can reproduce it and rescue the Pompadorians.

For Real segment: Bianca finds a cute pattern to make a stuffed pig for her cousin’s baby shower, but the pattern is too small so her niece shows her how to enlarge it using a grid.

Learning Goals

If your child uses a grid to divide a picture into pixels – same-size squares of different colors – he can use the orderly properties of the grid to reproduce the picture anywhere at any size, no matter how large or small.

Topics: Pre-Algebra, Grids as Tools

To prove he’s smarter, Hacker challenges the kids to solve number puzzles in 3 hours or he ruins Solaria, so they experiment and adjust to try to find the numbers in time.

For Real segment: To stop Harley from taking his bike, Harry makes a new lock combination, a series of puzzles that stump Harley until he tries different numbers to find the solution.

Learning Goals

When your child is stuck on a numbers problem and doesn’t know where to start, she can experiment with different numbers and use the results to adjust her next choices until she finds the numbers that work.

Topics: Using Numbers, Pre-Algebra, Problem Solving, Solution by Trying Numbers

Fluff and the kids have to analyze a sneaky ad to prove that the hockey team’s new cyberskates, made in the Northern Frontier, are not going to help them win the Penguia Cup.

For Real segment: To sell an ugly necklace in a yard sale, Bianca’s ad claims it will “make you feel like a princess,” but her niece convinces her to stick with the facts and fix the ad.

Learning Goals

When an ad tries to make your child buy a product, he can use reasoning to analyze its claims so he can make an informed choice about what to do.

Topics: Problem Solving

Hacker destroys the Far Out Radio antenna to shut down Cyberspace and the team must learn how to add fractions in measurement to stop him.

For Real segment: On the job at a ribbon store, Bianca struggles at adding measurements with mixed-numbers until she learns that a yardstick can help her add the fractions.

Learning Goals
When your child needs to find a total length from several measurements, and her measurements are mixed numbers, she can first add the whole numbers, then add the fractions to get the total length.

Topics: Fractions, Measurement, Adding Mixed Numbers in Measurement

The mysterious Ledge transforms the folk in Sensible Flats to look and act like Hacker, and Inez must train to climb a cliff in under 3 minutes or be ‘Hackerized’ herself!

For Real segment: To train himself to run a mile in ten minutes, Harry starts slowly and uses a graph to track his progress, sticking to his plan until he achieves his goal.

Learning Goals
When your child has a goal he wants to achieve, he can measure his performance with numbers and keep track of it over time to help him reach it.

Topics: Using Data, Measurement, Measuring Performance

Make a wind gauge and measure wind speed around your neighborhood.

Experiment with evaporation to keep an object cool on a hot day.

In the world of Cyberchase, the dastardly villain Hacker is on a mad mission to overthrow Motherboard and take over Cyberspace with the help of his blundering henchbots, Buzz and Delete. But Motherboard enlists the help of three curious kids, Inez, Jackie, and Matt, and their cyberpal, Digit, to stop him. Their weapon: brain power. In For Real, the live-action segment following each animated episode, Harry and Bianca show kids how math can help solve life’s wacky problems in the real world. Find out more.

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 (follows full episode): 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

 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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