Have you ever wanted to tell a secret, but tell it in such a way
that outside listeners wouldn't understand it? Why, you need
a secret code! Codes can camouflage a message by using pictures,
sounds, letters, gestures, and/or numbers. You can make up your
own rules for a code and share these rules with the friend you want
to read it. A code is successful only if someone can reverse the
rules and decipher it. By viewing clips of the Cyberchase
episode, "Codename: Icky," students will see our heroes
make and decipher several different codes, and begin constructing
their own rules for a code. Students will also learn to express
themselves using gestures, letters, symbols, and numbers to further
examine the phenomenon of coding.
Students will be able to:
- analyze and evaluate a series of rules for a code;
- apply the series of rules to strategically decipher a code;
- construct a secret message using a code;
- communicate their thinking and processes coherently and clearly
- interact with an educational website to test their coding
From the National Council of Teachers of Mathematics Standards, grades 3-5, available online at http://standards.nctm.org/document/chapter5/alg.htm#bp2
Algebra for grades 3-5 students:
- represent and analyze patterns and functions, using words,
tables, and graphs;
- look for and apply relationships between varying quantities
to make predictions;
- investigate numerical and geometric patterns and express
them mathematically in words or symbols. They should analyze
the structure of the pattern and how it grows or changes, organize
this information systematically, and use their analysis to develop
generalizations about the mathematical relationships in the
Cyberchase #116: Codename: Icky
This site contains several photographs of ancient cave drawings.
Morse Code Translater
Type in a message and watch it get translated into Morse Code symbols, and then actually listen to the sounds of the coded message.
Your Name in Heiroglyphics
Type in your name and click the button to see how it would look
in the ancient Egyptian language of hieroglyphics.
Cyberchase: Crack the Code
The award-winning online companion to the PBS series, Cyberchase.
The site contains multiple interactivities, downloadable video clips, and background information on the characters. Watch Digit in his
own webisode, and then try to crack his code in order to save the
cyber citizens of Valussa. This website requires the Shockwave plug-in, available at www.macromedia.com.
For the class:
For each group of 4-5 students:
- Chart paper and marker or blackboard and chalk
For each student:
- Page 22 from Digit's Cyberchef book handout (included)
- Pencil and paper
- The Zokzyvg Code handout (included)