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Worksheet
Curated OER

Secret Code Message 2

For Students K - 2nd
In this letter and number recognition worksheet, students use a secret code box to help them spell 4 short Ee words. Students then draw pictures of the words.
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Worksheet
Curated OER

Secret Code 3

For Students K - 2nd
In this letter and number recognition activity, students use a secret code box to help them spell 4 short "Aa" words. Students then draw pictures of the words.
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Interactive
Shodor Education Foundation

Caesar Cipher

For Students 9th - 12th Standards
Caesar ciphers hide secret missives. A simple interactive lets users encode and decode hidden messages. The cipher method here is the Caesar shift.
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Lesson Plan
Curated OER

Secret Sharing with Linear Equations

For Teachers 9th - 12th
High schoolers use linear equations to reveal a secret message. They practice writing linear equations from two ordered pairs. Students determine the y-intercept of the line from the equation. They reveal the secret message from the...
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Worksheet
Curated OER

Squigly's Secret Message: Christmas

For Students 2nd - 3rd
In this puzzle worksheet, students solve 17 clues about Christmas. Students read the first column of each group of answers to reveal a special message.
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Worksheet
Curated OER

Squigly's Special Message-- Going Down the Slide

For Students 2nd - 3rd
For this language arts worksheet, students read 20 clues and fit the answers in a word puzzle grid. All the words have 4 letters. One letter in each word is given as a clue for the students. There is no word bank. There will be a secret...
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Lesson Plan
Curated OER

Writing a Secret Message

For Teachers 6th - 9th
Students study a specific area in which to research. They research their area and find descriptive facts about their geographical area. Students write a secret message about their area. They present their message to the class and the...
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Lesson Planet Article
Curated OER

Learning How to Send Messages in Code

For Teachers 3rd - 6th
Learning about the use of secret codes can help students practice important skills.
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Lesson Plan
Curated OER

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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Lesson Plan
Curated OER

Shh... It's a Secret!

For Teachers 5th
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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Worksheet
Curated OER

Squigly's Secret Easter Code

For Students 6th - 8th
In this math worksheet, students practice solving the code in order to decipher a secret message that is based upon the theme of Easter.
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Worksheet
Curated OER

Spring Picture Cryptogram Puzzle

For Students Pre-K - 2nd
In this early childhood cryptogram worksheet, students decode and solve a spring secret message by filling in the blanks with the letter that matches each picture from the box at the bottom of the page.
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Worksheet
Curated OER

Clues to spelling words

For Students 3rd - 5th
In this clues to spelling words worksheet, students use the clues given to write their spelling words and then find a secret message hidden in the end. Students write 13 words, and unscramble 7 words.
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Worksheet
Curated OER

Anglo-Saxon Runes

For Students 3rd - 4th
In this Anglo-Saxon runes instructional activity, students look at the Anglo-Saxon alphabet and write a secret message to a friend using Anglo-Saxon letters called runes.
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Worksheet
Curated OER

Antonym Workout

For Students 2nd - 6th
In this antonym activity, students write antonyms for the words given to them and then find a secret message from 1 letter of each of the antonyms. Students complete 11 problems.
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Lesson Plan
Curated OER

Secret Message

For Teachers 3rd - 5th
Students use the characteristic of a chemical reaction to write a secret letter. In this chemical reaction lesson plan, students will use common house hold products including iodine, lemon, and notebook paper to produce a chemical...
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Lesson Plan
Curated OER

Message Drafted by General Eisenhower in Case the D-Day Invasion Failed

For Teachers 9th - 12th
High schoolers discuss how much effort and planning would therefore be needed to plan a secret invasion such as D-Day. They use library and Internet resources to find out what strategies were employed on D-Day and what the results of...
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Worksheet
Curated OER

Special Message--What Makes Any Athlete a Winner?

For Students 2nd - 3rd
In this language arts worksheet, students read 18 clues and fit the answers into the word grid. All words have 4 letters. After completing the puzzle a secret message will be revealed that pertains to athletics.
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Lesson Plan
Curated OER

Underground Railroad/Quilts

For Teachers 2nd - 4th
Students explore the Underground Railroad communication system.  In this cross curriculum fine arts and United States history Civil War lesson, students view several websites that feature quilts constructed by slaves during the...
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Interactive
CK-12 Foundation

Solving Equations Using the Pythagorean Theorem: Cryptography

For Students 8th - 10th Standards
Don't keep this resource a secret. Individuals learn to use the Pythagorean Theorem to find Pythagorean triples. They also see how Pythagorean triples can be useful in the field of cryptography to encrypt secret messages.
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Activity
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American Chemical Society

Chemistry Color Changers

For Students K - 5th Standards
Knowledge of acids and bases doesn't need to be a secret. Learners use red cabbage to create an indicator solution, then test how adding lemon juice (acid) and detergent (base) changes the color of the solution. They then use the concept...
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Study Guide
Reed Novel Studies

My Side of The Mountain: Novel Study

For Teachers 5th - 8th Standards
Some money, a pocketknife, a ball of cord, and some flint and steel ... is that enough for a 14-year-old to survive alone in the wilderness? Scholars explore the topic of survival with the novel study for My Side of the Mountain....
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Worksheet
Curated OER

Squigly's Secret Code

For Students 2nd - 3rd
In this Valentine's Day learning exercise, 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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Worksheet
Curated OER

Secret Code

For Students 2nd - 3rd
In this multiplication puzzle instructional activity, students find the products to 18 elementary multiplication problems. They solve the code using the letters assigned to each product. They read the secret message.

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