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| Codes |
| You can use a code (a communication system that substitutes one thing for another) to send top secret messages as long as your code has an adjustable rule that can be reversed to read the message. |
| Algebraic Thinking
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In the watery depths of cybersite Aquari-yum, the kids and Hacker go in search of a giant cyber-slug, who feeds on pure energy. The kids and Digit travel underwater in two separate vessels, but Hacker has a listening device that taps into their communications system, allowing him to overhear their plans and track every move they make. The kids outsmart Hacker by devising a series of codes so they can send messages back and forth in secret -- even though Hacker can hear what they're saying. But unless the kids can reach the slug first, Hacker will use the slug to attack Motherboard's circuitry and disable her once and for all!
- Kid Synopsis |
Harry's Cracked Code
Julio and Harry have found an ancient Viking alphabet to send coded messages to each other. For fun, Julio uses the code to invite Harry to a special event. Harry decodes part of Julio's invitation, then stops when he thinks he knows the rest. So, why is he the only one who shows up at Julio's in costume Saturday night?
Math Message: To read a coded message, follow a rule for substitution that you share with the person who sent the message. To create a coded message, use the rule in reverse
(RealPlayer Plugin Required) |
Shh...It's a Secret!
Students discover the math behind code-making and construct their own secret messages.
Location: Top Secret
The Cybersquad's invited to a party, but they have to decipher a code to figure out the party's location.
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