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Lesson Plan
Curated OER

Proposed Problems

For Teachers 6th - 8th
In this math worksheet, students find the solutions to the problems that involve solving equations with and without rational expressions.
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Worksheet
Curated OER

Antonym Practice

For Students 3rd - 5th
In this antonyms activity, students complete sentences in column A matching italicized words to their antonym in column B, 10 sentences total.
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Lesson Plan
Curated OER

Chemical Engineer

For Teachers 7th - 10th
Pupils identify toxic household products. In this ecology instructional activity, students research on the health effects, rating and disposal of these products. They rank them based on the danger they pose.
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Unit Plan
Cuemath

Cuemath: Acute Triangle

For Students 9th - 10th Standards
Explore the world of acute triangles in this mini-lesson. Explores its properties, how to create it, and other interesting facts related to acute triangles.
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Unit Plan
Wolfram Research

Wolfram Math World: Acute Triangle

For Students 9th - 10th Standards
This MathWorld site gives a short discussion on acute triangles with links to related terms and topics. The site offers a discussion on the least number of acute triangles to compose various polygons, and a discussion on the relationship...
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Handout
Government of Alberta

Learn alberta.ca: Mathematics Glossary: Acute Angle

For Students 3rd - 8th Standards
Get a visual and animated definition of what an acute angle is, as well as examples of acute angles in the real world.
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Handout
Government of Alberta

Learn alberta.ca: Mathematics Glossary: Acute Triangle

For Students 3rd - 8th Standards
Get a visual and animated definition of what an acute triangle is, as well as examples of acute angles in the real world. [Requires Java.]
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Handout
Math Open Reference

Math Open Reference: Acute Angle

For Students 9th - 10th Standards
Learn about acute angles with this helpful reference tool. Provides a detailed definition, images, and an interactive activity that enhances further explanation. Includes links to related topics.
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Website
Mayo Clinic

Mayo Clinic: Severe Acute Respiratory Syndrome (Sars)

For Students 9th - 10th
This site addresses some basic questions and concerns about the Severe Acute Respiratory Syndrome (SARS). Content includes a focus on its symptoms and current treatment options.
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Article
American Academy of Family Physicians

American Academy of Family Physicians: Acute Bronchitis

For Students 9th - 10th
This is a comprehensive article from the American Family Physician journal about acute bronchitis and its treatments.
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Handout
US National Library of Medicine

Medline Plus: Severe Acute Respiratory Syndrome (Sars)

For Students 9th - 10th
This site provides a list of links to information about Severe Acute Respiratory Syndrome (SARS). Content includes links to the latest news, information about the diesase, pictures and diagrams, prevention and screening information,...
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Unit Plan
Khan Academy

Khan Academy: Draw Right, Acute, and Obtuse Angles

For Students 3rd - 5th Standards
Create an acute, right, or obtuse angle using a given vertex. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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Unknown Type
Khan Academy

Khan Academy: Draw Right, Acute, and Obtuse Angles

For Students 6th - 8th
Create an acute, right, or obtuse angle using a given vertex.
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Website
Macmillan Cancer Support

Cancerbackup: Acute Myeloid Leukemia Information Center

For Students 9th - 10th
This complete site defines leukemia in general and proceeds to examine the causes, diagnosis, and treatment of acute myeloid leukemia.
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Lesson Plan
Shodor Education Foundation

Shodor Interactivate: Lesson: Angles (Elementary)

For Teachers 3rd - 5th Standards
In this lesson students will learn what determines whether an angle is acute, obtuse or a right angle.
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Classifying Angles as Right, Acute, or Obtuse

For Students 3rd - 5th
[Free Registration/Login may be required to access all resource tools.] In this learning module, students are presented with angles and must identify what type each is. An accompanying video demonstrates a sample problem. [2:10] A set of...
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Activity
Math Is Fun

Math Is Fun: Acute Angle

For Students 3rd - 8th Standards
This very basic website gives a clear, simple explanation of what an acute angle is.
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Classifying Right Obtuse or Acute by Angle Measure

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on how to classify triangles based on angle measures.
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Activity
Lawrence Hall of Science

The Math Page: Trigonometry: Trig Functions of an Acute Angle

For Students 9th - 10th Standards
Here is a site that clearly and thoroughly explains the trigonometric functions of acute angles within a right triangle. There are example problems solved, problems for the student to attempt, and answers to the student problems. Point...
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Unknown Type
Khan Academy

Khan Academy: Immunology of Acute vs. Chronic Inflammation

For Students 9th - 10th
Read this passage and study the graphics to complete a five-question quiz on the Immunology of Acute vs. Chronic Inflammation.
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Handout
Math Open Reference

Math Open Reference: Acute Triangle

For Students 9th - 10th Standards
Explore acute triangles with this handy reference guide. Provides a detailed definition and an interactive activity that enhances further explanation. Includes links to related topics.
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Handout
Centers for Disease Control and Prevention

Centers for Disease Control: Acute Radiation Syndrome

For Students 9th - 10th
Information about acute radiation sickness, also known as acute radiation syndrome.
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Website
Other

Hartford Hospital: Acute Bronchitis

For Students 9th - 10th
This site provides a detailed description of acute bronchitis and how it differs from chronic bronchitis. Explains causes, symptoms, diagnosis, and treatment.
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Handout
The Math League

The Math League: Angles and Angle Terms: Acute Angles

For Students 9th - 10th Standards
This tutorial provides a basic definition and examples of acute angles.

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