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Worksheet
Curated OER

Personal Telephone Numbers: Deciphering a Message

For Students 6th - 8th
In this deciphering a message worksheet, students decipher 23 names of famous people given a phone number.  Students use the numbers and letters on a telephone key pad to decipher phone numbers into names.
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Lesson Plan
Curated OER

Listen to a Radio Show

For Teachers 6th - 10th
Students practice the art of listening. In this listening skills lesson, students listen to an old-time radio show and identify hidden messages, innuendo, sarcasm, double entendres, puns, hyperbole, irony, colloquialisms, inflections,...
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Activity
Texas Instruments

Texas Instruments: Numb3 Rs: Coded Messages

For Teachers 9th - 10th
Based off of the hit television show NUMB3RS, this lesson uses matrices (inverse and multiplication) to decode messages hidden within digital pictures -- a process known as steganography. This method of hidden communication is known to...
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Activity
Texas Instruments

Texas Instruments: Numb3 Rs: Now You See It, Now You Don't

For Teachers 9th - 10th
Based off of the hit television show NUMB3RS, this lesson is an introduction to a "different" type of coding, called steganography. In Steganography, images (or text) are split into layers, and then distorted in such a way so as to...
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Activity
PBS

Pbs Kids: Word Girl: "Word Girl Cryptogram Puzzle 1" [Pdf]

For Students 1st - 5th
Print this Cryptogram puzzle, fill in the numbers for the alphabet, and solve the hidden message.
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Professional Doc
Discovery Education

Discovery Education: Puzzlemaker

For Teachers 9th - 10th
At this site create your own puzzles, build your own maze and print them out for yourself or others to enjoy.
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Interactive
Other

Squigly's Games: Squigly's Word Star

For Students 2nd - 5th Standards
In this interactive game, students select a category and then play a hangman-style game by trying to spell out a word related to the category before they run out of stars.