Curated OER
Coded Message Game
In this coded message activity, learners use the two-digit numbers and letters of the alphabet code to decipher a quote about the brain from Santiago Ramon y Cajal. Students decode eighteen words.
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Code Fun
In this picture code worksheet, students use the code key to decipher a message. The symbols are ovals, circles and squares with intricate designs.
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Create Your Own Coded Language
Students discover and identify cryptology used in everyday life. They decipher or crack codes. Students create their own secret writing or coded messages, and develop a dictionary of eponyms. They discuss how they have already...
K12 Reader
The Note Was in Code!
While it's quite an ode, this short poem uses the long /o/ sound repeatedly in words like code, note, alone, and phone. Kids read the selection and answer three comprehension questions about the text.
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Lesson: Paul Chan: Alternumeric Fonts
Learning to analyze language, symbols, and codes is part of becoming a deep and critical thinker. Young analysts consider their ability to see hidden messages as they analyze the work of Paul Chan. There are two fully developed...
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Squigly's Secret Code
In this secret code worksheet, learners decipher the answer to Squigly's secret code by printing the letter on the line given that goes with each symbol.
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Cryptography and Cryptanalysis
In this cryptography and cryptanalysis worksheet, 8th graders read the explanation and example for codes and ciphers, then answer 2 questions and decipher 2 messages.
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Save Our Ship!
In this deciphering a message activity, learners utilize a Morse code alphabet key to decipher a message to the captain of the Titanic.
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Break the Pentomino Code!
Students read and analyze the book, Chasing Vermeer. They discuss the main story elements, analyze how pentominoes are important to the story, use a pentomino code to decipher a message, and create a secret code of their own.
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Morning Message-Mystery Code
Students copy and figure out the Mystery Codeword each day. They copy Mystery Code into journal. They match the number with the letter to decipher the code word. They draw a picture to match code word. At the end of the week, the...
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Squigly's Secret Code
In this word puzzle activity, students decipher the answer to a "secret code." Students analyze a code in which each letter of the alphabet is represented by a symbol.
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Cracking Codes and Ciphers
Students explore different codes and ciphers including Morse Code, Egyptian Hieroglyphs, and the Alphabet. They discuss how and why codes are used. Students create their own code and message to exchange with classmates.
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Noughts and Crosses Code
In this secret code worksheet, students analyze and interpret a noughts and crosses code in order to decipher the code and figure out what the message is.
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Squigly's Secret Code
In this secret code worksheet, students will print the letter that corresponds with the symbol to decipher a secret message from Squigly.
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Code Fun
In this code learning exercise, students use the code key at the bottom of the page to decipher a message. The code key features lines in different configurations.
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Decoding a Mystery Message from Space
Learners examine a message sent from outer space and do their best to interpret its meaning. In this problem solving lesson, students investigate a code sent to them from "outer space." The learners collaborate with their classmates to...
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Squigly's Secret Code
In this puzzle worksheet, students decipher a "secret" code. Students determine the message by filling in the letter that goes with each symbol.
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Squigly's Secret Code: Car
In this puzzle worksheet, students decipher a "secret" code. Students determine the message by filling in the letter that goes with each symbol.
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Decoding the Spelling Words
In this spelling worksheet, students use the key to decode 20 spelling words. Students decipher the words and write them on the lines.
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Cryptogram: Can You Figure Out What the Message Says?
In this cryptogram worksheet, students use the letter and number code key to decipher the 12 words in a secret message about geography.
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Signal Corps
Students examine the role of signal corps during the Civil War and explore the technique of 'wigwag.' In this Civil War lesson, students discuss the way they communicate long distance today, they research how a civil war soldier...
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Secret Scroll
Students examine various scrolls, codes, and languages. They develop their own secret code and compose a message using it. They then create antique-like paper scrolls and write messages on them in their secret codes, then try to decipher...
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Shh...It's a Secret!
Students explore codes, decode secret messages, and create codes of their own to use with their friends. They examine the use of gestures, letters, symbols and numbers in codes.
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President Jefferson's Cipher: Cracking the Code
Students examine the journey out west by Lewis and Clark. Using a cipher from President Jefferson, they solve a code he gave to the explorers before setting out on their exploration. They share his message with the class and state...