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Worksheet
Curated OER

Fifty Dollar Word$ From Ms. Smiley's Class

For Students 5th
In this math code worksheet, 5th graders analyze 6 words that have an exact value of $50 according to the code. Students encode each word using the values in the key and use any of the four basic math operations to show a final value of...
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Worksheet
Curated OER

Fifty Dollar Word$

For Students 5th - 6th
In this math code worksheet, students analyze 6 words that have an exact value of $50. Students encode each word with numbers from the key and use any of the four math operations to show a value of $50.
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Worksheet
Curated OER

Discover the Secret Word

For Students 1st - 2nd
In this phonics activity, students investigate the beginning letters of words by examining 6 pictures. Students say the name of the object then choose the beginning letter and circle it. The circled letters will form a secret code word.
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Worksheet
Curated OER

Discover the Secret Word 2

For Students 1st - 2nd
In this phonics worksheet, students examine 6 pictures and say the word names. Students circle the correct beginning letter. The circled letters will then reveal a secret code word.
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Worksheet
Curated OER

Discover the Secret Word

For Students K - 1st
In this phonics worksheet, students examine 8 pictures and 4 letter choices. Students say the name of the picture and circle the correct beginning letter. Students use those letters to solve a secret code.
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Worksheet
Curated OER

Fraction Subtraction Code Breaker

For Students 5th
In this fraction subtraction code breaker worksheet, 5th graders solve 11 fraction subtraction problems with common denominators, then use the answers to break the code.
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Worksheet
Curated OER

Winter Secret Message Puzzle

For Students 1st - 2nd
In this winter secret message puzzle instructional activity, students solve the secret message by matching the pictures and letters in the code and writing the winter phrase.
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Activity
Howard Hughes Medical Institute

Stalking the Genetic Basis of a Trait

For Teachers 9th - 12th Standards
Need an a-maize-ing lesson to show your class how regulatory genes work? If you use the well-written resource, they'll be all ears! Biology scholars discover the gene responsible for the evolution of the modern-day corn plant through a...
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Lesson Plan
Code.org

Keys and Passwords

For Teachers 9th - 12th
Scholars explore the relationship between cipher keys and passwords and as they learn more about the Vigenere cipher and continue to read from the book Blown to Bits in the seventh lesson of the series. They conduct an activity where...
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Lesson Plan
Curated OER

Revolutionary War Spy Methods

For Teachers 5th - 7th
Students research how coded messages were used during the Revolutionary War. In this Revolutionary War lesson, students view primary documents about the Revolutionary War spies and the methods used for sending messages. Students write a...
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Worksheet
Curated OER

Meet the Recycle Guys

For Students 2nd - 3rd
In this recycling activities worksheet, students draw lines to connect the names of the Recycle Guys to their pictures and use a number-letter code to find their secret message. Students write 37 answers.
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Worksheet
Curated OER

Waterdrops

For Students 4th - 5th
In this science worksheet, students investigate the subject of ground water. Students read a story and articles and complete 8 pages of games and activities such as making their own sinkhole, matching, fill in the blank story and a...
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Lesson Plan
Curated OER

Matrices: A Secret Weapon

For Teachers 9th - 11th
Students perform operations with matrices. In this algebra lesson plan, students use cryptography and cryptanalysis to solve problems. They add, subtract, and multiply matrices.
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Lesson Plan
Curated OER

The Secret Codes of Sentences

For Teachers 1st
First graders observe a sentence as it is written on the board reading it from left to right. They look at the teacher's finger as it goes from one word to another beginning at the far left and moving to the last work in the sentence and...
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Worksheet
MakingMusicFun.net

CodeBreaker! | Music Theory Worksheet - Treble Clef Note Names

For Students 3rd - 5th
In this music notes worksheet, students decode a message with the letter names of notes. They analyze the eight labeled notes on the treble clef and write the letter names of the notes underneath them. A secret message will be revealed.
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Lesson Plan
Curated OER

Go Down Moses

For Teachers 5th
Fifth graders investigate the workings of the Underground Railroad. In this slavery lesson, 5th graders read personal accounts from slaves, examine secret codes of the Underground Railroad, and play a board game based on the trip many...
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Lesson Plan
Spreading Gratitude Rocks

Generation​ of Respect

For Students K - 12th
R.E.S.P.E.C.T. Learners find out what it means to them. Scholars write sentences, do a word sort, and list what makes them grateful. Additionally, pupils learn how to be more respectful by completing worksheets that would make...
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Worksheet
Curated OER

Now Showing: Reel Reduction

For Students 3rd - 5th
In this fraction puzzle practice learning exercise, students put their problem solving skills to use as they solve a secret code by adding and subtracting fractions.
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Lesson Plan
Curated OER

Basic Crypto Systems

For Teachers 7th - 12th
Students try to solve codes mathematically. The use of a code needs a key. Students try to decipher a code with a mathematical key. This requires focus and higher order thinking skills like analysis.
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Worksheet
Curated OER

Secret Code

For Students 4th
In this division worksheet, 4th graders solve the 11 division equations and then match each number in the message with the division quotients. Students determine the message.
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Lesson Plan
Curated OER

Do the Tallywalker

For Teachers 5th - 7th
Students study the basics of mapmaking, then make a tally walker, (geographic location device used in secret).
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Study Guide
Reed Novel Studies

Runaway Ralph: Novel Study

For Teachers 3rd - 6th Standards
Maybe the grass isn't always greener on the other side. Ralph, a mouse character in Runaway Ralph, thought that summer camp had to be better than dealing with his mother, uncle, and cousins. However, camp has its troubles, too. Worksheet...
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Worksheet
Curated OER

Unit Fractions of Numbers

For Students 3rd - 4th
In this unit/fractions worksheet, students find unit fractions of given numbers, then use a code grid to find a secret code word.
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Worksheet
Curated OER

Professor Panda's Pizza Graph

For Students 3rd - 4th
For this data analysis worksheet, students answer 11 questions using a bar graph that was constructed from the answers to a survey about pizza toppings. They use a secret code to determine the best place to have a pizza.

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