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Crack the code! Conceal a secret message by creating a cipher. Exchange decoder dials with classmates to reveal the hidden meanings.
Ask students what a code is? Where have they seen or used a code before? Do they have a code for their locker or a "code word" they use with friends to pass along a secret meaning? Codes are used all around us everyday.
Ciphers are a type of code. When letters are rearranged or replaced with symbols, this is called a cipher. The process of creating a code or cipher is called encryption. Computers use encryption to change passwords to codes so no one can steal them. Ask students what other examples of codes and ciphers they can think of? And when encrypting messages can be helpful?
Students encrypt a message of their own! To start, students create a decoder dial. Carefully cut a circle about the size of a hand out of construction paper with Crayola® Scissors and divide it into 26 pieces like a pie. In each pie piece, write a letter of the alphabet with Crayola® Metallic Colored Pencils. Above each letter, create a unique symbol to represent that letter. Use Crayola® Metallic FX Crayons, Crayola® Glitter Crayons, and Crayola® Giltter Glue to embellish the decoder dial with shiny colors and decorative designs!
On a separate sheet of construction paper, use the symbols you designed to create a cipher, spelling out a secret message. Add a fun border to the page!
Students trade ciphers and decoders dials with their classmates. Use the dials to decode the encrypted messages and reveal the hidden phrases!
Let’s go sliding! Build vocabulary. Learn parts of speech. Practice spelling words. Create colorful sliders and play wit
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