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Lesson Plan
Illustrative Mathematics

Voting for Three, Variation 2

For Teachers 5th - 7th Standards
Here is another opportunity for math students to apply reasoning to solve real-world problems with ratios. The ratio of the number of votes for two candidates is provided. Your class is asked to use this ratio and information given about...
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Lesson Plan
Illustrative Mathematics

Ratio of Boys to Girls

For Teachers 5th - 7th Standards
How many boys are in the class? Here is an introductory exercise describing ratios. The commentary shows different ways learners can approach the problem, using a tape diagram of boys to girls and using a table. The activity includes...
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Lesson Plan
Carnegie Mellon University

Ocean Acidification

For Teachers 9th - 12th
After brainstorming what they know about ocean acidification, youngsters place eggs in acid to determine the effects on calcium-containing organisms, and add carbon dioxide to solutions with sea shell material to discover the impact on pH. 
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Activity
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Curated OER

My Planet Earth

For Teachers K - 4th
The earth is a delicate and fragile thing; Why not engage your class in a craft project that will make them aware of our environment? Earth Day is celebrated as recycled materials are used to create earth window hangings. Crayons are...
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Lesson Plan
Illustrative Mathematics

Size Shuffle

For Teachers Pre-K - 2nd Standards
In the eyes of children the world is a simple place, objects are either big or small. This simple activity aims to expand the comparison language of young mathematicians as they use the words taller and shorter to compare their height...
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Activity
Florida Center for Reading Research

Vocabulary: Morphemic Elements, Getting to the Root of It

For Teachers 4th - 5th Standards
Young readers learn how to get at the root of new vocabulary with this fun language arts activity. When working in pairs, children begin by matching unknown vocabulary words to their Greek or Latin roots. When all the vocabulary cards...
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Activity
US National Library of Medicine

Mental Health Awareness Project

For Teachers 9th - 12th
Here is a thoughtful group assignment for researching mental health disorders. Team members focus on a different aspect of a chosen disorder: symptoms, treatments, and community resources.
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Lesson Plan
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Curated OER

Accurately Weighing Pennies II

For Teachers 9th - 12th Standards
Drawing from a scenario of the history of the penny, learners write and solve a system of linear equations from a context.
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Activity
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US Environmental Protection Agency

Water Purification by Evaporation and Condensation

For Teachers 4th - 7th Standards
This easy-to-perform demonstration shows students how the water cycle, specifically the processes of condensation and evaporation, purifies Earth's water supply. Just mix up some water, dirt, and gravel in a glass bowl, place a cup in...
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Activity
Spartan Guides

Infographics Lesson

For Teachers 6th - 12th Standards
An infographic is fantastic way for learners to illustrate their understanding of content, express themselves creatively, and teach others in a manner that is both engaging and informative. While originally designed for a lesson on...
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Activity
Curated OER

Triangle Series

For Teachers 9th - 12th Standards
Your algebra learners emphasize the"geometric" in geometric series as they use a common ratio between algebraic terms and find that it corresponds to a repeated similarity transformation. 
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Lesson Plan
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Curated OER

Linear Functions

For Teachers 9th - 12th Standards
Your learners will explore linear functions by analyzing a graph of the linear equations.Then learners analyze through calculating f(x+P) and g(x+p)
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Activity
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Teaching Tolerance

Reflection: What’s Your FRAME?

For Teachers 6th - 12th Standards
Encourage your class to recognize the diversity in the beliefs and backgrounds of their peers. Learners use the acronym FRAME to consider culture, background, and life experiences.
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Lesson Plan
Curated OER

Sandia Aerial Tram

For Teachers 9th - 12th Standards
Your learners analyze a table of real-life data in order to write an equation that best models the information. Exponential, quadratic, and linear rates of changes are all possibilities in this task.
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Lesson Plan
Curated OER

Reflections and Equilateral Triangles II

For Teachers 9th - 10th Standards
Given the lines of symmetry in an equilateral triangle, your learners find where the pre-image vertices are mapped onto the new image. They explore the properties of equilateral triangles, the impact of reflections, and the idea that the...
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Lesson Plan
Curated OER

Symmetries of Rectangles

For Teachers 9th - 10th Standards
Learners explore mapping a rectangle onto itself using rigid motion concepts, geometric intuition and experimenting with manipulatives in a collaborative task.
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Lesson Plan
Curated OER

Why Does SAS Work?

For Teachers 9th - 10th Standards
Your geometry learners are guided by questions that help them use the language of reflections to explain the Side-Angle-Side congruence between two triangles in this collaborative task. Given a sample solution, declaring the triangles...
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Activity
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Organic Farming

Four Seasons

For Teachers K - 3rd Standards
Celebrate the changing of the seasons with this collection of arts and crafts activities. 
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Activity
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Illustrative Mathematics

A Midpoint Miracle

For Teachers 9th - 12th Standards
Young geometers develop one of the fundamental properties of quadrilaterals (connecting side midpoints gives a parallelogram) in this short but thought-provoking exercise. Using a combination of hands-on techniques and abstract algebraic...
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Activity
Illustrative Mathematics

Doctor's Appointment

For Teachers 9th - 10th Standards
Geometric volume calculations are brought into the real world in a quick set of application problems. Learners are asked to help a patient figure out how to drink a prescribed amount of water both at work and at home. This activity...
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Activity
Curated OER

Hoot: Concept/Vocabulary Analysis

For Teachers 6th - 8th Standards
Augment your unit on Carl Hiaasen's Hoot with a series of activities about the environment, civil disobedience, making an impact in the world, and growing up. A list of literary concepts and themes helps you to write your lessons to...
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Activity
Street Law

Mock Trial - Kahn v. Kahn

For Teachers 9th - 12th
A woman accuses her husband of multiple instances of domestic violence in the mock trial case, Karmia Kahn v. Keith Kahn
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Activity
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Province of Manitoba

The Outdoors Camping and Survival Skills

For Teachers 3rd - 12th
Equip young campers with the tips and strategies for a safe trip to the outdoors with a series of lessons. They learn how to start fires with and without firewood, keep warm in snowy weather, and purify water to make it safe for drinking.
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Activity
Butterfield Canyon Elementary

Think Win-Win: Everyone Can Win

For Teachers 4th - 8th
Can there be scenarios where everyone feels happy with the result? Learn about win-win situations and conflict resolution with a series of exercises and games designed to encourage teamwork and cooperative learning.

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