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Episode 306: The Grapes of Plath

Episode 306: The Grapes of Plath

Math Topic High-Low Estimation
The Big Idea A careful estimate can often give you a useful answer to a problem.
NCTM LinksNumber & Operations
Episode Description It's the day before his all-important "Changing of the Shell" Ceremony and the young Prince of the Crab Kingdom has been struck by a terrible cyberglitch - now he can't stop telling lies! If the glitch isn't fixed pronto, the prince will never be king. To cure him, Motherboard sends the kids and Digit to get the Grapes of Plath from the Fountain of Truth. Hacker overhears the mission and wants the cure for himself. The CyberSquad must save the grapes for the Prince and keep them away from Hacker by estimating their way through a series of underwater adventures.
- Kid Synopsis
For RealHarry Talks Turkey (Available Online Soon)
Both the chef and waiter call in sick, and Harry's friend asks him to help out playing both roles. When he runs out of one entree and has extras of another, Harry learns to hone his estimation skills.
Math message: When you need make an estimate, consider the situation because there might be reasons to make your estimate a little higher or lower just to be safe.
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Printed Material Jellybean Jostle
This activity allows the player to print out an estimation activity to play with friends. A picture of spilled jellybeans appears on a 4 by 5 grid. Directions are to cut apart the grid into 20 squares which become playing cards. The activity leader allows the player to view the picture for a few seconds, then with the picture hidden, 3 sample cards are drawn, and based on the number of beans on the 3 sample cards, the player makes an estimate of the whole display, attempting to guess the number within 10.


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