Institute of Electrical and Electronics Engineers
Public Keys, One Way Functions and Hard Problems
Use paint to teach about cryptography. Scholars explore public key cryptography by attempting to mix a secret color using paint. After the activity, they investigate the Diffie-Hellman method using prime numbers, exponents, and modular...
Curated OER
Mrs. Wilson's Secret Reading Comprehension Questions Chapter Three
In this language arts worksheet, learners respond to reading comprehension questions pertaining to Mrs. Wilson's Secret. Students answer nine questions with literal, inferential, and opinion responses.
Curated OER
Harry Potter Characters in Secret Code
In this Harry Potter characters worksheet, students decipher a code that will name 15 character names from the Harry Potter books. There is a key at the top of the page as well as a word bank to assist students.
Curated OER
Secret Formulas
Learners calculate the perimeter of rectangles and squares. They imagine trying to build a fence around a yard or trying to determine how much paint they need to paint a room. They also develop formulas and procedures for determining the...
Curated OER
Secret Math Trails
In this problem solving learning exercise, students study and analyze 9 squares with single and double-digit numbers. Students utilize addition to determine which numbers in each square equal the number at the bottom of each...
Curated OER
Secret Sharing with Linear Equations
Learners 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 teacher.
Curated OER
Massachusetts Morse code
In this Massachusetts activity, learners use Morse code to write a secret message about the state. Students write 1 message.
Curated OER
My Secret War: Lesson 4
Fifth graders write a speech. For this history lesson, 5th graders define the word infamy and listen to a speech by FDR. Students work in groups to summarize his speech and rewrite sections of the speech.
National Park Service
The Secret of Life
Dead trees provide nutrients for the soil, food for animals, protection and a home for organisms, a seed-bed for new trees, and a place for nitrogen-fixing bacteria to live. In the activity, pupils collect decaying logs, expose them to a...
National Endowment for the Humanities
The "Secret Society" and FitzGerald's The Great Gatsby
"I have never been able to forgive the rich for being rich, and it has colored my entire life and works." This colored view is the focus of a close reading activity that asks readers of The Great Gatsby to examine the way...
Curated OER
Genome: The Secret of How Life Works
What do you have in common with a fruit fly? About 60 percent of your DNA. The resource, divided into two units, is intended for grades four to eight and another for high schoolers. Both units include eight lessons covering the...
LABScI
Atomic Structure and the Periodic Table of Elements: The Secret Agent Lab
Food always gets attention! Model atomic structure using fruit loops to represent the subatomic particles. After building models, scholars create ionic bonds using their models. Finally, they use these concepts to create a periodic...
Anne Frank House
Who Was Anne Frank?
Set the stage for a study of The Diary of a Young Girl with a resource that includes background information about Anne Frank's early years, the Nazi invasion of the Netherlands, her Secret Annex hiding place, and her capture and...
Shodor Education Foundation
Caesar Cipher
Caesar ciphers hide secret missives. A simple interactive lets users encode and decode hidden messages. The cipher method here is the Caesar shift.
Curated OER
Cartouche Codes
Students explore ancient Egyptian hieroglyphics and cartouches. Then they develop their own written code to represent their names. Students also sculpt and use their code to create their own cartouche. Finally, they research the symbols...
Curated OER
Unlocking the Secrets of a Persuasive Essay
Full of tips about structure, audience, and evidence in a persuasive essay, this presentation would be a great way to start a writing unit in your class. One slide advises young writers to make up quotes and statistics in their essays....
Reed Novel Studies
The Invention of Hugo Cabret: Novel Study
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...
Curated OER
The Secret Ballot - Voting in Australia
Students participate in classroom activities to develop an understanding of the secret ballot and the process of voting in Australia. Working in large and small groups they use the secret ballot and the various stages in an in-class...
Curated OER
Create Your Own Coded Language
Students discover and identify cryptology used in everyday life. They decipher or crack codes. Students create their own secret writing or coded messages, and develop a dictionary of eponyms. They discuss how they have already...
Curated OER
Multiplying Decimals
In this mathematics worksheet, students find the answer to each problem by multiplying the decimals properly. Then they decipher the secret code using the letters and punctuation next to each answer.
Curated OER
Dialogues: "Want to Know a Secret?"
In this ESL activity, students collaborate with another classmate to read a dialogue about telling a secret. Students then answer 8 multiple choice comprehension and vocabulary questions.
Curated OER
Secret Codes
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...
Curated OER
Secret Codes
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.
Curated OER
Secret Message: Missing Factors
In this missing factor worksheet, learners find missing factors in equations, then use a set of corresponding letters to find the "secret password." Answers are included on page 2.
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