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Lesson Plan
Curated OER

Infinite Secrets

For Teachers 9th - 12th
Students duplicate the method that Archimedes used to estimate the value of pi. They complete a data table and find the approximate values of pi for three sets of polygons.
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Lesson Plan
Curated OER

Secrets of the Shoes

For Teachers 9th - 11th
Students compare the Chinese practice of footbinding to the Western practice of wearing corsets to discover universal issues involving women's rights. The lesson emphasizes small group discussions.
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Lesson Plan
Curated OER

The Search for Secret Agents

For Teachers 4th - 6th
Students embark on a scavenger hunt around the school looking for indoor air pollution and mapping source locations. They predict and observe sources of indoor air pollution, understand and give examples of technologies we use related to...
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Lesson Plan
Curated OER

The Unknown Secrets of the Rain Forest

For Teachers K - 3rd
Students explore the rain forest and where they are located. Students examine why the rain forests are important and what is happening to them. They investigate the water cycle and life cycle of a frog. Students build a rain forest in...
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Lesson Plan
Curated OER

The Unknown Secrets of the Rain Forest

For Teachers K - 3rd
Students listen to the story "The Great Kapok" then discuss characteristics of the rain forest. They make several different types of rain forest animals from paper plates (ex. sloth, tigers, monkeys etc) and design costumes for a...
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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

My Secret Unicorn

For Students 2nd - 5th
In this unicorn activity worksheet, students complete 6 worksheets all containing unicorn activities. These include: coloring, doing a maze, drawing, completing a word search and a connect the dots activity.
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Worksheet
Curated OER

Farm Secret Decoder Worksheet

For Students 2nd - 3rd
In this farm vocabulary worksheet, learners use the key to decode a riddle about worker bees and honey. Students fill in each blank with the letter that matches each number in the word puzzle.
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Lesson Plan
Curated OER

What Secrets Are Hiding in My Schoolyard?

For Teachers 2nd - 4th
Students investigate germination. In this schoolyard activity, students collect soil samples and germinate seeds. Students study how seeds remain dormant until conditions are right for germination.
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Worksheet
Curated OER

Math Vocabulary Secret Decoder Worksheet

For Students 3rd - 6th
In this math vocabulary worksheet, students match the letters to other letters to solve the vocabulary words. Students complete 15 math vocabulary words.
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Worksheet
Curated OER

Plants Secret Decoder Worksheet

For Students 2nd - 4th
In this plants learning exercise, students solve the vocabulary words by finding the letters that equal other letters according to the key. Students solve 15 problems.
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Worksheet
Curated OER

Recycling Secret Decoder Worksheet

For Students 4th
In this recycling vocabulary worksheet, 4th graders complete 15 fill in the blanks. For each blank, students must use a key to decode the word. Each word relates to recycling and recyclable materials. 
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Lesson Plan
Curated OER

Secrets of the Shark

For Teachers 5th - 10th
In this sharks worksheet, students answer short answer questions about sharks, their behaviors, and their habitats. Students complete 19 questions total.
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Worksheet
Curated OER

Uncovering Underground Veggies

For Teachers 2nd - 4th
Add a word puzzle to your underground vegetable lesson plan. Learners unscramble vegetable names and discover a hidden message using corresponding numbers and letters.    
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Worksheet
K12 Reader

Point of View: Who Is Telling the Story?

For Students 4th - 5th Standards
See how famous books of literature have different perspectives with a short worksheet. After reviewing the difference between first and third person points of view, learners look over six passages from various novels and decide which...
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Lesson Plan
Code.org

The Need for Encryption

For Students 9th - 12th
Scholars investigate the need for encryption as they read a portion of the book Blown to Bits and discuss encryption techniques. They finish by attempting to decode a message written using a Caesar cipher.
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Lesson Plan
Code.org

Public Key Cryptography

For Students 9th - 12th
Investigate how public key cryptography works. Scholars continue their study of one-way functions and asymmetric keys and apply this information to public key cryptography. They use an app to explore public key cryptography and its...
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Activity
Peter Bunzl

Cogheart and Moonlocket

For Students 6th - 10th Standards
Peter Bunzi takes readers to the Victorian era with two stories, Coghaert and Moonlocket. Accompany the literary time warp with a companion packet that offers a plethora of exercises. Learning opportunities include activities for before,...
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Lesson Plan
Pennsylvania Department of Education

Numbers Are Made of Parts

For Teachers K - 1st Standards
Children play with barnyard animal cards to practice composing and decomposing numbers. With their "secret number" of animal cards in a cup, they shake and spill them onto a barn story board, counting how many animals fall in the barn...
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Lesson Plan
Curated OER

Risk Behavior: HIV/AIDS

For Teachers 7th - 12th
Bring to life the health risks of unsafe sex and drug use. Participants are involved in a simulation they don't understand until the end. One pupil is "in the know", secretly playing the role of being HIV-positive. Everyone else...
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Lesson Plan
Curated OER

Greeting Card Boxes: Recycled Art

For Teachers 4th - 6th
Greeting cards can be cute or pretty, and they end up in the trash. Turn your old greeting cards into a functional box. Learners fold, cut, and tape old cards to create small boxes that are perfect for holding paperclips, erasers, or...
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Lesson Plan
Curated OER

Calculator Puzzle Patterns

For Teachers K - 5th
It's no secret that being able to competently use a calculator is an important skill. In this math lesson, young mathematicians learn how to use the counting constant function on their calculators to explore patterns and relationships...
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Worksheet
Curated OER

Mystery Jars: Make Your Own

For Students K - 4th
There are many ways to implement this estimation and counting activity. Young mathematicians fill jars with objects to create "mystery jars." Add difficulty by using smaller objects. After counting, learners secretly record their exact...
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Worksheet
Curated OER

Multiplication Practice

For Students 3rd - 4th
There are plenty of practice problems on these multiplication worksheets, both of which have forty equations young scholars must solve for the product. Here's the catch: they are all single-digit numbers multiplied by multiples of 10. If...

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