Curated OER
Squigly's Secret Code: Car
In this puzzle worksheet, learners 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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Detective Digis and the Computer Caper
Mathematicians participate in an hands-on activity to investigate the binary number system and write messages in binary code and have classmates decipher the messages. A said video on the topic does not seem to be available, but the...
Education World
Live Together Code
In this health instructional activity, students focus upon the aspect of living in positive social relationships while deciphering a code to reveal a message.
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Coordinating Coordinates
Third graders explore coordinate pairs and coordinate grids. They use a grid on which each letter of the alphabet is assigned a coordinate pair, 3rd graders decipher a coded message. Pupils compare coordinate pairs on a coordinate grid...
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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 instructional activity, students discuss the way they communicate long distance today, they research how a civil war...
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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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Shh... It's a Secret!
Fifth graders examine a series of rules for deciphering a code. They create their own secret message using a code after watching video. They access a web site to practice their decoding skills.
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Master Spy
Students explain that a code is a system of symbols, letters, words, or signals that are used instead of ordinary words and numbers to send messages or to store information. They practice deciphering a variety of secret codes used in...
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Algebra: Introduction to Algebraic Expressions
Seventh graders, in an introductory algebra class, code and decode messages using substitution ciphers. Role-playing as mathematicians, they work in groups to decipher several messages, one of which translates to "math is awesome."
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U Boat Hunt
Young scholars recognize patterns and sequences in numbers. In this geometry lesson, students create rules to define the sequences and patterns they obsere. They translate coded messages as they dicuss navigational terms.
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Basic Crypto Systems
Students try to solve codes mathematically. The use of a code needs a key. Students try to decipher a code with a mathematical key. This requires focus and higher order thinking skills like analysis.
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Condon Bingo
Students use COndon Bingo to decipher genetic codes. Students practice transcription and translation of codons while playing the game. They enjoy playing the game, while actively participating. Students develop an increase proficiency...
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Cryptogram
In this cryptogram worksheet, students fill out the key to a code and decipher a cryptogram about Abraham Lincoln. Students fill in the missing letters and read the message. The pattern in the key is not obvious.
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Basketball Addition Puzzle
In this math worksheet, students solve 25 basic addition facts below 20. Using the sums and the key to the code, students decipher a secret message about basketball.
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Baseball Word Puzzle and Addition Facts
In this math worksheet, learners solve 25 basic addition facts below 20. Using the sums and the key to the code, students decipher a secret message about baseball.
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George Washington Addition Puzzle
In this math learning exercise, students solve 45 basic addition facts. Using the sums and the key to the code, students will decipher the secret message about George Washington.
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Cookie Crisp Howl
Students are introduced to the vowel pattern that produces the /oo/ sound in words. Through matching, listening, and spelling activities, students recognize the phoneme /oo/ and it's placement in words. They write a message using words...
Reed Novel Studies
The Invention of Hugo Cabret: Novel Study
If the walls could talk, you might hear Hugo from The Invention of Hugo Cabret. Hugo lives in the walls of a train stations in Paris. Scholars read and complete worksheet activities as they discover Hugo's secrets. They show their...
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Addition Facts (Chinese New Year Puzzle)
For this math worksheet, students solve 15 basic addition facts with sums up to 20. Using the answers and the code key, students decipher the secret message about Chinese New Year.
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Basic Crypto Systems II
Ninth graders discuss the Enigma machine used during World War II. They explore the substitution cipher and variations of it. Students examine the advantages and disadvantages of this cipher. Students write a message using the code...
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Matrices: A Secret Weapon
Students perform operations with matrices. In this algebra lesson, students use cryptography and cryptanalysis to solve problems. They add, subtract, and multiply matrices.
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SHHH It's a Secret
Students rewrite word problems using expressions and equations. In this algebra lesson, students use the correct variable to solve and write equations. They use the TI to graph their solution.