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Classifying Triangles

For Teachers 3rd - 5th
If you're looking for a presentation to assist you in your teaching of triangles, this one could be for you. In it, learners are shown how triangles are classified by the size of their angles and by their sides. These are tricky concepts...
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PPT
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Angles Lesson 15-2

For Teachers 3rd - 5th Standards
The four major types of angles, right, obtuse, acute, and straight are described in this fine presentation. First, the important vocabulary associated with angles is presented, then the types of angles are described. A protractor is...
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Worksheet
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Morning Math

For Students K - 1st
Get your morning mathematicians thinking with this set of warm-ups. You can do them all in one day, or separate them and have kids do one each day. They will review past concepts and sharpen newer ones with this assortment of problems...
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Angles

For Teachers 3rd - 5th Standards
Here is a well-designed presentation on different types of angles for your young geometers. In it, learners view slides that clearly illustrate what these angles are, and how they are formed. Excellent practice when introducing these...
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The Angles

For Teachers 2nd - 3rd
A very cute presentation on the four types of angles can be found in this resource. Young mathematicians are introduced to obtuse, acute, right, and reflex angles. Charming stick figures are depicted using the angles. Great for use in...
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Worksheet
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Angle Relationships

For Students 5th - 8th
Over the course of 18 problems, learners identify angles as complementary, supplementary, vertical or adjacent. They name relationships in angles such as alternate interior, corresponding, and alternate exterior angles. They apply the...
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Lesson Plan
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Know Your Angles

For Teachers 3rd - 7th
Explore types of angles and the characteristics of each. After observing a PowerPoint Presentation, learners tour the school facilities and use a digital camera to capture prescribed angles. Using the digital pictures and written...
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Lesson Plan
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Angles All Around Us

For Teachers 4th - 8th
Explore with your class the characteristics of acute, obtuse, right, complementary, and supplementary angles. They take digital photographs around the school and identify the angles in the images. Uisng software, they label and print the...
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Lesson Plan
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Toothpick Triangles

For Teachers 4th - 8th
Students draw a chart (included in the instructional activity) to use with their investigation. They review terminology of triangles and receive toothpicks to use in the instructional activity. Beginning with three toothpicks, students...
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Worksheet
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Classification of Triangle Measurement & Perimeter

For Students 10th
In this classification of triangles worksheet, 10th graders identify and complete 8 different problems that include determining the measurement and perimeter of various types of triangles. First, they color all right, acute, and obtuse...
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Lesson Plan
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Identifying Angles

For Teachers 4th - 5th
Students identify names of angles. They use a large clock to demonstrate angles using certain times of day. Given a geoboard, students create figures with acute, right, and obtuse angles.
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Triangle Designs

For Students 4th - 6th
In this triangles worksheet, learners 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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Lesson Plan
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Study Buddies: Classifying Triangles

For Teachers 4th - 5th
In this math worksheet, students analyze an informative chart about the measurement and angles of equilateral, isosceles and scalene triangles. Students then answer 5 questions about classifying triangles.
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Worksheet
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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
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Put a _____ above the ______

For Students Pre-K - 1st
Starting with a grid with a red start in the middle, young scholars fill in more symbols as they follow directions. Ideally, you would want to project the instruction sheet and give each student their own grid. Then, you fill in the...
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Lesson Plan
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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
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Classifying Angles

For Students 7th
In this classifying angles worksheet, 7th graders identify and complete 17 different angles illustrated on the sheet. First, they use the key given to outline each angle. Then, students use a protractor to measure each angle and...
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Lesson Plan
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Fun Wth Angles

For Teachers 4th
Fourth graders explore angles in everyday life. In this angles lesson, 4th graders view examples of angles, then search magazines, newspapers and catalogues for more examples. Students work in pairs and check each other's work.
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Lesson Plan
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Angles Everywhere

For Teachers 1st
First graders find angles in their classroom. In this geometric figures lesson plan, 1st graders identify, describe and classify angles they see in their world. Students create pictures that contain angles and display them in the room.
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Lesson Plan
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Angles, Triangles, Quadrilaterals, Circles and Related

For Teachers 6th - 8th
Middle schoolers classify angles. For this angles lesson, students explore the characteristics of angles, triangles, quadrilaterals and circles. They identify polygons and sing a classifying angles song. Middle schoolers participate...
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Worksheet
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Classifying Triangles

For Students 8th - 10th
In this classifying triangles worksheet, students explore given lengths or angle measurements and then classify each triangle as isosceles, scalene or equilateral. They also determine if the triangle may be right, acute or obtuse. This...
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Worksheet
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Decimal Multiplication

For Students 5th - 6th
In this decimal multiplication worksheet, learners solve 20 different problems that include multiplying various decimals by each other. They multiply the numbers together ignoring the decimal points. Then, students add the number of...
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Lesson Plan
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What's Your Angle?

For Teachers 3rd
Third graders read the story, Magic Schoolbus Inside the Human Body. Then they form right, acute, and obtuse angles using the joints inside their bodies. They write a brief summary about what they learned about angles as a review the...
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Worksheet
Curated OER

Positions

For Students 1st - 2nd
In this positions learning exercise, students choose the correct position for left, middle, or right, for each object. Students complete 3 problems total.