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Lesson Plan
Curated OER

Circle Packing

For Teachers 9th - 10th
Students identify different parts and properties of circles. In this geometry lesson, students identify the radius, diameter, semicircle and inscribed angle of a circle. They identify the tangent lines to a circle.
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Worksheet
Curated OER

Challenge Discussion Sheet 7

For Students Higher Ed
In this differential worksheet, students complete eight short answer problems. Four problems are story problems. Four problems are practice problems with the equations given.
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Lesson Plan
Curated OER

Investigating the properties of a circle

For Teachers 7th - 10th
Students use wax paper to look at different properties of circles such as chords, tangent lines, inscribed angles, and inscribed angles in a semi-circle, as well as finding the center of the circle, and use GSP to investigate cyclic...
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Lesson Plan
Curated OER

Moving On: Octagoning the Circle

For Teachers 3rd - 8th
Learners explore circles through the use of octagons. They inscribe a circle in a regular octagon and find the area and perimeter of the hexagon with respect to the radius of the circle. Students present their findings to the class.
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Lesson Plan
Curated OER

Area Under A Curve

For Teachers 9th - 12th
Young scholars investigate the concept of finding the areas under curves while examining the graphing for inscribed and circumscribed rectangles. Finally, students compute the area under the curve by using the left-hand endpoints. The...
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Printables
Virginia Department of Education

High School Mathematics Geometry Vocabulary Word Wall Cards

For Teachers 9th - 10th
Having a good working knowledge of math vocabulary is especially important for geometry learners. Here are 119 pages worth of wonderfully constructed definitions, constructions, formulas, properties, theorems, and postulates. This is a...
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Activity
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Curated OER

Task: Grain Storage

For Teachers 7th - 10th Standards
Farming is full of mathematics, and it provides numerous real-world examples for young mathematicians to study. Here, we look at a cylinder-shaped storage silo that has one flat side. Given certain dimensions, students need to determine...
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Lesson Plan
Curated OER

Hammurabi's Code: What Does It Tell Us About Old Babylonia?

For Teachers 9th - 12th
Students examine life in Babylonia during the time of King Hammurabi. They read and discuss excerpts of the Code of Hammurabi, participate in a simulation of advisors to the king, complete an online interactive activity, answer...
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Lesson Plan
EngageNY

Secant Lines; Secant Lines That Meet Inside a Circle

For Teachers 9th - 12th Standards
Young mathematicians identify different cases of intersecting secant lines. They then investigate the case where secant lines meet inside a circle.
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Worksheet
Curated OER

The Gettysburg Address

For Students 5th - 6th
For this social studies worksheet, students read the Gettysburg Address. Students substitute words or phrases that have the same meanings as 10 underlined phrases from the Address.
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Lesson Plan
Curated OER

A Victorian Vocabulary Challenge

For Teachers 9th - 12th Standards
Introduce your high schoolers to some tough vocabulary. No, I'm not talking about the SAT list! Revisit Victorian literature to find tricky words we still use today. Using the Visual Thesaurus, learners will preview vocabulary in a quote...
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Unit Plan
Mathematics Vision Project

Module 6: Congruence, Construction, and Proof

For Teachers 8th - 10th Standards
Trace the links between a variety of math concepts in this far-reaching unit. Ideas that seem very different on the outset (like the distance formula and rigid transformations) come together in very natural and logical ways. This unit...
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Lesson Plan
EngageNY

How Do Dilations Map Angles?

For Students 9th - 10th Standards
The key to understanding is making connections. Scholars explore angle dilations using properties of parallel lines. At completion, pupils prove that angles of a dilation preserve their original measure. 
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Lesson Plan
EngageNY

Tangent Segments

For Teachers 9th - 12th Standards
What's so special about tangents? Learners first explore how if a circle is tangent to both rays of an angle, then its center is on the angle bisector. They then complete a set of exercises designed to explore further properties and...
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Lesson Plan
EngageNY

Similar Triangles in Circle-Secant (or Circle-Secant-Tangent) Diagrams

For Teachers 9th - 12th Standards
First angle measures, now segment lengths. High schoolers first measure segments formed by secants that intersect interior to a circle, secants that intersect exterior to a circle, and a secant and a tangent that intersect exterior to a...
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Lesson Plan
Willow Tree

Area of Common Geometric Figures

For Students 8th - 11th Standards
Scholars can use area formulas, but can they apply what they know about area? The lesson plan challenges learners to think logically while practicing finding area of shapes such as rectangles, circles, parallelograms, triangles, and...
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Handout
University of Virginia

Illustrating Uncle Tom's Cabin

For Students 9th - 12th Standards
Historical illustrations reveal more than what they are meant to portray. After reading Harriet Beecher Stowe's Uncle Tom's Cabin, high schoolers view a series of illustrations, movie posters, photographs, and book covers that exemplify...
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Unit Plan
Mathematics Vision Project

Module 2: Congruence, Construction and Proof

For Teachers 9th - 12th Standards
Construct yourself a winning geometry unit. A set of lessons introduces geometry scholars to constructions and proofs with compasses and straightedges. It also covers triangle congruence through transformations. This is the second of...
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Lesson Plan
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Curated OER

Hammurabi's Code: What Does It Tell Us About Old Babylonia?

For Teachers 9th - 12th
Students examine Hammurabi's Code. They take on the role of his council of advisors and report their "advice" to the king. They write an essay discussing an aspect of daily life that the Code exemplifies.
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Lesson Plan
Curated OER

Legend of The Lorax

For Teachers 4th - 6th
Learners explore ecosystems. They read or listen to Dr. Seuss' The Lorax to draw conclusions and make predictions about the environmental impact and use of resources. They write poems about real forests and the wildlife which inhabit...
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Lesson Plan
Curated OER

Geometry of Triangles - Week 6

For Teachers 10th - 12th
In this triangle worksheet, students explore the characteristics of triangles. They find the area of a pentagon, lengths of the sides of a triangle and the area of a quadrilateral. This two-page worksheet contains seven problems.
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Worksheet
Curated OER

Vocab-u-lous! Build a Fabulous Vocab

For Students 7th - 8th
In this vocabulary instructional activity, students select the best word choice to complete the sentence. All words correspond to the theme of Memorial Day.
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Lesson Plan
Curated OER

Animal Farm Chapter 8

For Teachers 8th - 12th
In this Animal Farm comprehension check worksheet, learners respond to 10 short answer questions and define 4 terms pertaining to chapter 8 of Animal Farm by George Orwell in order to help them better understand the novel.
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Worksheet
Curated OER

London Quiz 1

For Students 9th - 12th
In this London worksheet, students answer short answer questions about the history and geography of London. Students complete 20 short answer questions.

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