Curated OER
Caesar Ciphers: An Introduction to Cryptography
Students brainstorm and discuss the concept of cryptography, the science of secrets in today's world and then focus on a system for sending secret messages used by Julius Caesar. They make a Caesar wheel assessing encrypting and...
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Freedom Quilts
Fifth graders create a Freedom Quilt and learn how many African Americans escaped to freedom. In this Underground Railroad lesson, 5th graders complete a KWL chart on the Underground Railroad, read a book about the Underground...
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And Justice For All
Students compare three justice systems currently in place in the United States: the civilian criminal justice system, the military criminal justice system (courts-martial) and the secret wartime tribunals that President Bush has proposed...
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Communism and Containment
Students "discover" top secret documents that describe the "Patriot" program. They are assigned the task of educating the American people about the threat of Soviets taking over America, including the key points of the Truman Doctrine...
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Signal Corps
Learners examine the role of signal corps during the Civil War and explore the technique of 'wigwag.' In this Civil War lesson plan, students discuss the way they communicate long distance today, they research how a civil war soldier...
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Decoding Machine
Learners are introduced to the concept of variables and their uses. In groups, they are given a code in which they must find the value of the missing words. To end the lesson plan, they find the value of words over ten letters long and...
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Cryptogram
In this cryptogram worksheet, learners 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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Minnesota Muskrat's Worldwide Adventures
In this long division worksheet, 5th graders solve problems to decode a secret message. Students solve for 60 problems with some remainders and two digit quotients.
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Basketball Addition Puzzle
In this math activity, 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
For 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 baseball.
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George Washington Addition Puzzle
In this math worksheet, learners 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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Cryptography Implementation
Students explore cryptology. They write a research paper on cryptography. Using linear equations, students invent a code and write a secret message. Students complete cryptography puzzles.
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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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Art-seal Glyph
In this directed drawing seal glyph worksheet, students follow directions to draw a seal. Detailed , multi-step directions are given. Students draw features according to specific preferences.
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Cryptography and Cryptanalysis
In this ciphers worksheet, students cipher the message given to them with a cipher code. Students complete 1 message total.
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U Boat Hunt
Students 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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An Adaptable Four-Skill ESL Information-gap Acivity
Students encounter a variety of grammar structures and vocabularies in the English language. Students get involved with teacher statistics as well with this lesson. Students correlate facts thru chronological order steps. Students...
Whole Person Associates
Teen Self Esteem Workbook
Happy teens are healthy teens! Pupils embark on a self-reflective journey using a series of assessments and discussions to promote personal development. The lessons focus on identifying low and high self-esteem attitudes and behaviors,...
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Addition Facts (Chinese New Year Puzzle)
In 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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You Know the Answer
In this problem solving instructional activity, 4th graders are given an answer to a question and must solve the mathematical problems to discover the secret question. Students solve for 18 problems using addition, subtraction,...
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Have I Been Hacked?
Students investigate how effective SNEAK strategies are in detecting hackers. In this technology instructional activity, students explain the ethical issues about hacking. They graph and analyze their experimental results.
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Give the Dog a Bone
Students listen as the /sh/ sound is modeled and discover the sound as it appears in the words "sheep", "fish", and "ship". They then play a secret game with a magic code placing the correct dog with its bone. Once all the words are...
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Hidden in Plain View: History Standard Two and the Underground
Eighth graders create a quilt based on the Underground Railroad quilt code from the book Hidden in Plain View: A Secret Story of Quilts and the Underground Railroad.
Computer Science Unplugged
Kid Krypto–Public-Key Encryption
Class members have an opportunity to experience how to use a public key to encrypt information and a private key to decrypt it. Groups create their own public key and encrypt information then develop private keys to decrypt this...
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