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Fill Words Exercise 1

For Students 2nd - 3rd
In this fill words exercise 1 instructional activity, students read the letter-number codes and fill in the correct letters to spell a phrase with immediate feedback online.
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Save Our Ship!

For Students 2nd - 4th
In this deciphering a message worksheet, students utilize a Morse code alphabet key to decipher a message to the captain of the Titanic.
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Numerical Analysis/ Introduction to Algorithms and Pseudocode

For Students Higher Ed
In this math learning exercise, students examine the concepts of algorithms and pseudocodes. Then they use the codes on a computer to execute the algorithms.
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Cracking the Code

For Teachers 5th - 12th
Students explore encoding systems and decoding technology. In this barcoding lesson plan students examine how coding impacts society including distribution, and inventory. 
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Secret Codes

For Teachers 5th - 8th
Students examine Morse code and how it is used.  In this secret codes lesson plan students decode messages, make their own codes and have other students crack the code.    
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Secret Codes

For Teachers 7th - 8th
Students practice writing and decoding secret messages before discussing DNA and its role as a code for making proteins. They translate DNA into RNA and identify the sequence of amino acids to find a secret message. An interactive...
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Picture Codes

For Students 5th - 6th
In this picture codes worksheet, students solve problems where the pictures equal numbers. Students find out what the numbers equal and then write 16 equations.
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President Jefferson's Cipher: Cracking the Code

For Teachers 3rd - 12th
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...
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Navajo Code Talkers of WWII

For Teachers 8th
Eighth graders assess different ways that significant individuals and events influenced economic, social and political systems in the United States after 1880. They experience a Navajo code talker's dictionary to create and decode messages.
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Fraction Subtraction Code Breaker

For Students 5th
In this fraction subtraction code breaker learning exercise, 5th graders solve 11 fraction subtraction problems with common denominators, then use the answers to break the code.
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Cracking the Code - Cloning Paper Plasmid

For Teachers 10th - 11th
Students explore the "genetic code." They observe how genes may be manipulated for genetic research, gene cloning, and genetic engineering. In a lab setting, students examine the mechanics involved in cutting and ligating DNAs into a...
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A Worthy Knight- A Code of Conduct Lesson

For Teachers 9th - 12th
High schoolers analyze and define the qualities of chivalry by comparing and contrasting the character of knights presented in the selected resources. They define and defend their own personal code of conduct. Students also create a...
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Letter Code-Multiplication Riddle

For Students 2nd - 3rd
In this multiplication worksheet, students solve 12 single digit multiplication problems, using answers and corresponding letters to solve a riddle, then make up a letter code of their own.
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Matrices In Encryption And Decryption Of Codes

For Teachers 10th - 12th
Students relate Cryptography to the solving of simultaneous linear equations in matrix notation. They explore various methods of encrypting and decrypting codes. Pupils discuss and solve simultaneous linear equations.
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Squigly's Secret Code

For Students 3rd - 5th
In this Squigly's secret code worksheet, students decipher a secret code by placing the correct letter right above each symbol to decipher the secret code.
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Color Coding Richard III

For Teachers 10th
Tenth graders use color-coded annotation or text-marking to analyze a passage from Richard III. In this text analysis instructional activity, 10th graders read a passage from Richard III and use colored pens to analyze the text. Students...
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Secret Code Riddles: Addition & Subtraction

For Students 4th - 6th
In this riddle activity, students use mathematics to break a secret code. They solve addition and subtraction problems to discover the answer to given riddles. There are 9 riddles, with an average of seven to nine problems to solve for...
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Website Design Using HTML Code

For Teachers 9th - 12th
Students participate in an activity to discover vocabulary necessary for website design. They observe a demonstration of website design using HTML code and then design two simple web pages with specific criteria. The final project allows...
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Squigly's Secret Code

For Students 2nd - 3rd
In this Valentine's Day worksheet, students decipher a message by analyzing a given code. In the code, each letter of the alphabet is represented by a symbol.
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Mystery Code

For Students 4th - 5th
In this fractions secret code worksheet, students solve 9 problems that require them to add and subtract using fractions. Students use their answers to decode a mystery message.
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Crack the Code

For Teachers 3rd - 8th
Students solve a cryptogram puzzle to determine facts about fossil fuels. They "crack the code" and describe their method of solving the puzzle to their classmates.
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The Code

For Students 4th - 6th
In this the code instructional activity, students study, review and calculate which of six codes is the correct one to enter a computer with a top secret scientific breakthrough in it.
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Color Code Writing

For Teachers K - 3rd
Students form letters and numbers using a technique called color code writing.
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Cracking the Genetic Code

For Teachers 9th - 12th
High schoolers explain what the knowledge of DNA can tell us about ourselves and other organisms and species. They also explore the systematic study of the human genome.

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