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Lesson Plan
Curated OER

Fun Wth Angles

For Teachers 4th
Fourth graders explore angles in everyday life. In this angles instructional activity, 4th graders view examples of angles, then search magazines, newspapers and catalogues for more examples. Students work in pairs and check each other's...
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Worksheet
Curated OER

How Do We Measure Angles

For Students 4th - 5th
In these angles and geometry worksheets, students learn about different kinds of angles, angle measurement, and other geometry facts. Students complete 15 questions.
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Lesson Plan
Curated OER

Angles, Triangles, Quadrilaterals, Circles and Related

For Teachers 6th - 8th
Students classify angles. In this angles lesson, students explore the characteristics of angles, triangles, quadrilaterals and circles. They identify polygons and sing a classifying angles song. Students participate in a manipulative...
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Lesson Plan
Curated OER

An Introduction to Angles

For Teachers 4th - 8th
Students identify and create angles. In this angle measurement lesson, students use sticks to make models of angles, then measure and name each angle.
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Worksheet
Curated OER

Right Triangles

For Students 10th
In this right triangles learning exercise, 10th graders solve and complete 12 various types of problems. First, they solve for x given each of the right triangles shown. Then, students determine the length of the shorter diagonal given...
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Lesson Plan
Curated OER

What's Your Angle

For Teachers 3rd - 5th
Students create an original lesson about geometry and angles. In small groups they take pictures using a digital camera of obtuse, acute, right, and straight angles that they find at school. Students use the photos in a computer...
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Worksheet
Curated OER

Triangles

For Students 4th
In this triangles worksheet, 4th graders study the lengths that are stated for 3 triangles and describe each triangle by its sides. Students describe 3 additional triangles by their angles.
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Worksheet
Curated OER

Triangle Designs

For Students 4th - 6th
In this triangles activity, students draw different triangles and write how many sides and angles each one has. Students draw 4 kinds of triangles and have 2 that are impossible to draw.
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Worksheet
Curated OER

Protractor #4

For Students 4th - 6th
In this angles worksheet, students measure and label angles as either acute, right, obtuse or straight. A reference web site is given for additional activities.
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Lesson Plan
Curated OER

Classify and Measure the Angles

For Teachers 5th - 7th
In this measuring angles worksheet, students use protractors to measure 9 angles and classify them as obtuse, straight, acute or right angles.
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Handout
McGraw Hill

Triangles

For Students 4th - 7th Standards
After reviewing characteristics of seven types of triangles, young geometers discover how to find the missing angle of a triangle. Then, they practice identifying triangles, find missing angles, and find missing side lengths of...
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Lesson Plan
Curated OER

The Pythagorean Theorem and Classifying Triangles

For Teachers 9th - 12th Standards
Through the examination of the relationship between the lengths of the sides of a triangles students will learn the classification of triangles (acute, right, or obtuse).
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Worksheet
Curated OER

Acute, Right or Obtuse

For Students 3rd - 4th
In this angles learning exercise, students solve 4 problems in which angles are analyzed and classified as acute, obtuse, or right. No examples are provided.
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Lesson Plan
Curated OER

Hey! What Is Your Angle?

For Teachers 5th
Fifth graders create and classify straight, right, acute and obtuse angles. In this clever lesson, 5th graders utilize pretzel sticks to form different types of angles. Best of all, they get to eat them at the end!
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Worksheet
Curated OER

Exploring Angles

For Students 10th
In this exploring angles worksheet, 10th graders solve 6 various problems of geometry by identifying various types of angles. First, they use the figure shown to list all the angles that have W as the vertex and then, name the straight...
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Lesson Plan
Curated OER

Working With Angles

For Teachers 4th - 5th
In this math worksheet, students collaborate with a "study buddy" or "coach" to learn whether an angle is acute, obtuse or right. Students follow the directions to go through the process of deciding what classification an angle has....
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Lesson Plan
Curated OER

Measure the Angle

For Teachers 7th - 9th
Students measure angles.  In this angle instructional activity, students draw angles.  They  use a protractor to measure angles and identify the angle as straight, right, acute, or obtuse. 
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Worksheet
Curated OER

Measure, Draw, and Classify Angles: Homework

For Students 7th
In this angles instructional activity, 7th graders review the definitions for a right angle, acute angle, obtuse angle, and straight angle. Students then use symbols to name each angle three different ways. Students classify each angle...
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Worksheet
Curated OER

Exploring Angles

For Students 10th
In this exploring angles worksheet, 10th graders solve 12 various types of problems that are related to measuring various angles. First, they name the vertex of an angle and determine whether it appears to be acute, obtuse, right, or...
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Lesson Plan
Curated OER

What's Your Angle

For Teachers 6th - 7th
In this angle worksheet, students identify five shapes and then place them together to form a square. Afterward, they answer three questions regarding the number of right, acute and obtuse angles. This one-page worksheet contains a total...
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PPT
Curated OER

Year 5 Unit 2b

For Teachers 4th - 5th
This slide-show is packed with information relating to a variety of mathematical concepts. Intended as an accompaniment to a full unit, this resource provides definitions, explanations, and opportunities for learners to practice their...
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Lesson Plan
Curated OER

Geometric Properties

For Teachers 9th - 12th
Students find triangular angles using the angle theorem. In this geometry lesson, students describe labeled triangles, use the pythagorean theorem, and rewrite information about triangles in standard form.
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Worksheet
Curated OER

Identify Different Types of Angles

For Students 5th - 6th
In this angles worksheet, students identify a set of 4 given angles as either obtuse, acute, right or straight, checking the correct box next to each. A reference web site is given for additional activities.
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Printables
1
1
Houghton Mifflin Harcourt

Unit 5 Math Vocabulary Cards (Grade 6)

For Students 6th Standards
Acute angle, line of symmetry, and vertex are a few terms you'll find in a set of 90 flashcards designed to reinforce math vocabulary. Included in the set are two types of cards; a word card printed in bold font, and a...

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