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Simplifying Fractions
In this math worksheet, students simplify the fractions into simplest form. They use the answers to decipher the coded message at the bottom of the page.
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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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Body Parts Decoder
In this body parts decoder worksheet, students match letters and numbers codes to decipher the names of parts of the body. Students decode fifteen words.
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Cryptogram: Can You Figure Out What the Message Says?
In this cryptogram worksheet, learners use the letter and number code key to decipher the 12 words in a secret message about geography.
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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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BEAMS Fractions
In this math puzzle worksheet, students will reduce a series of fractions to their lowest terms. Then students will use the code provided to decipher the puzzle.
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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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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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Learning to Hate Math
Give your class a different kind of reading assignment with the text included here. Anne Miller's essay "Learning to Hate Mathematics" details a hatred of math that grew from early childhood and still haunts the author today. After...
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Energy Resources
For this energy resources worksheet, students complete 12 questions in the format of puzzles, teasers, and twisters. Examples include a modified cryptoquip and pictogram.
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Ancient Peoples of the Middle East
This is an excellent multidisciplinary lesson designed by Scientific American. It provides three creative activities--designing a garden, studying hieroglyphics, and writing poetry--relevant to the ancient peoples of the Middle East....
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Cryptography and Cryptanalysis
In this cryptography/cryptanalysis worksheet, students work with a group and use logic and cryptography techniques to solve problems.
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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.
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Secrets and Spies
Students explore the lives of spies. In this secret government agencies lesson, students visit the Imperial War Museum and the Essex Secret Bunker online or in person to discover details about Britain's spies and secret bunker.
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JUDY DREWDY DETECTIVE KIT CHECKLIST
In this literature worksheet, 3rd graders work with the character Judy Drewdy. Students use the given worksheet to create their own detective kits and respond to 7 short answer questions including a puzzle with given clues.
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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...
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Memorandum Regarding the
Students use the National Archives to research the memorandum regarding the enlistment of Navajo Indians during World War II.
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Gray Whales: Hitchhikers: Free Rides on Gray Whales
Students read about Gray Whales and circle any unfamiliar terms.
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Does the falling tree make a sound if no one if there to hear it? (or communication via encryption)
Students explore encryption. They discuss the importance of cryptography in our daily lives. Students use games and cryptography to discover transformational geometry and modulo systems. They design their own encryption puzzles and...