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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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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

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

October 3, 1906 - SOS Morse Code

For Students 7th - 8th
In this writing prompt worksheet, students learn that October 3, 1906 was designated as the international distress code. Students create their own type of code system that helps them create secret messages.
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Worksheet
Curated OER

Squigly's Special Message (Halloween Theme)

For Students 4th - 5th
In this word puzzle worksheet, students read 30 clues and place the answers in a puzzle grid. A secret message will be revealed when students have finished. There is a trick-or-treating graphic on the page.
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Worksheet
Curated OER

Code Breaker!

For Students 4th - 6th
In this music notes worksheet, students decode a message with the letter names of notes. Students analyze the 8 labeled names of notes on the treble clef. Students write the letter names of each of 60 notes underneath the notes. A secret...
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Interactive
CK-12 Foundation

Telegraph

For Students 9th - 12th Standards
Most pupils don't know what a telegraph is, much less how one works. A secret simulation has scholars pick the size of the primary and secondary loops, the battery voltage, and which letters in the Morse Code they want to transmit. They...
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Worksheet
Curated OER

Add 2-Digit Numbers in Different Ways

For Students 2nd - 3rd
In this solving addition word problems worksheet, students use secret code cards and counters to problem solve. Students solve six problems.
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Worksheet
Curated OER

Code Fun

For Students 2nd - 4th
In this letter code practice learning exercise, students create a code letter or symbol for each letter of the alphabet and then write a message using the code they created.
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Worksheet
Curated OER

John Glenn Secret Message

For Students 2nd - 4th
In this John Glenn worksheet, students reveal a secret message by decoding the symbols to spell out the secret message. Students utilize the alphabet key to decode the message.
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Lesson Plan
Curated OER

A Secret Code

For Teachers 2nd - 3rd
In this addition and subtraction worksheet, students solve for problems to complete the riddle about George Washington.  Students solve 20 two digit problems of addition and subtraction with some regrouping necessary.
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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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Worksheet
Curated OER

Secret Code Math

For Students 1st - 3rd
For this math worksheet, students solve the problems in the box grids with the operation of addition. The answers are used to create a secret code message.
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Study Guide
Reed Novel Studies

The Invention of Hugo Cabret: Novel Study

For Teachers 5th - 8th Standards
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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Lesson Plan
Curated OER

Crack the Secret Code-- Health Activity

For Teachers 3rd - 4th
In this health worksheet, students learn about proper diet and exercise by reading the cartoons and deciphering a secret code about health.
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Worksheet
Curated OER

Help the Ghost!

For Students 2nd - 3rd
In this secret code worksheet, students help a ghost fill in the blanks of a secret code from an alphabet code list to figure out what time it is.
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Lesson Plan
Computer Science Unplugged

You Can Say That Again! – Text Compression

For Teachers 4th - 12th Standards
Compression, the process computers use to store information, is the focus of a resource that presents two different stories that describe the concept of compression by eliminating repeated letters and replacing them with a pointer. The...
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Worksheet
Curated OER

Short Vowel A: Secret Code

For Students 1st - 2nd
In this short vowels worksheet, students use the secret code box to help them spell some short "Aa" words. Students then draw a picture of the word.
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Lesson Plan
Curated OER

The Secret Society and FitzGerald's The Great Gatsby

For Teachers 9th - 12th
Students formulate what tensions about wealth and status are revealed in The Great Gatsby. Apply how these tensions are reflected in Nick Carraway's struggle to belong. Write a "credo" for the "secret society" implied in The Great Gatsby.
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Lesson Plan
Curated OER

Secrets and Spies

For Teachers 5th - 11th
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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Worksheet
Curated OER

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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Study Guide
Reed Novel Studies

Journey To The Centre of The Earth: Novel Study

For Teachers 6th - 10th Standards
Traveling where no man has traveled before, Journey to the Centre of the Earth contains a secret code right to the middle of Earth! Scholars match 10 new vocabulary words, answer comprehension questions, create literary devices, and...
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Lesson Plan
PBS

Hidden Messages in Spirituals

For Students 6th - 8th Standards
Slaves laboring in the cotton fields of the old South singing joyously may have convinced overseers that their workforce was happy and content, but in truth, these spirituals contained secret codes. After viewing a short video about...
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Interactive
CK-12 Foundation

Addition and Multiplication Properties with Real Numbers: The Secret of Subtraction

For Students 6th - 8th Standards
An interactive boosts mathematicians' knowledge of subtracting integers using a horizontal number line by way of multiple-choice, true or false, and discussion questions. 

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