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Lesson Plan
Curated OER

Classifying and Measuring Angles

For Teachers 5th
Fifth graders explore the three types of angles. In this math activity, 5th graders estimate the measure of angles and draw the angles using a protractor.
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Lesson Plan
Curated OER

Classifying and Constructing Corners

For Teachers 5th
Fifth graders, after seeing Honeycomb examples, complete a Classifying Angles worksheet, Clock worksheet, and Defining Angles worksheet.
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Worksheet
Curated OER

Classifying Triangles

For Students 8th - 10th
In this classifying triangles learning exercise, learners 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...
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Lesson Plan
Curated OER

Mr. Bo Jangle, What's Your Angle?

For Teachers 3rd
Third graders explore angles. In this geometry lesson, 3rd graders identify and define acute, obtuse, and right angles. Students form angles with their bodies, find angles in picture books, and record angles found outside in their math...
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PPT
Curated OER

Classifying Triangles

For Teachers 5th - 7th
This presentation shows how triangles are classified by angle measurement and length of sides.  It reviews isosceles, scalene, obtuse, right, and acute classifications and includes questions for students to classify some of the triangles...
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Lesson Plan
Curated OER

Poolroom Math

For Teachers 3rd - 4th
Students identify, name, and measure angles using playing pool as a motivator in this lesson. They measure, define, and label different angles. They then discuss how their knowledge about angles could be used in a game of pool.
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Worksheet
Math Mammoth

Classify The Triangles

For Students 6th - 8th
In this math activity, students measure all the angles in these triangles. They also calculate the sum of the angles and classify the triangles.
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Worksheet
Curated OER

Classify and Measure Angles #2

For Students 2nd - 4th
In this angles activity, students classify and measure 2 given angles. Worksheet is part of a directory, click on line to access worksheets.
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Lesson Plan
Curated OER

Geometry: Classifying Angles

For Teachers 9th - 12th
Students measure, construct, and classify angles as acute, right, straight, and obtuse. Once they have completed an angle worksheet, students use a map of South Carolina to locate cities by constructing the aforementioned angles.
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Lesson Plan
Curated OER

Classifying Triangles Based On Properties of Angles

For Teachers 5th Standards
The interactive lesson featured here calls for the use of a Smartboard for sorting and classifying shapes. Then, pupils discuss the rules they followed for sorting their shapes, particularly focusing on the properties of angles. While...
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Worksheet
Curated OER

Angles Measure and Classify

For Students 5th - 6th
In this angles worksheet, students solve 6 problems in which an angle is measured with a protractor. Students mark if the angle is acute, right, obtuse or straight.
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Worksheet
Curated OER

Angles measure and classify

For Students 5th - 8th
In this angles worksheet, students measure angles with a protractor and figure out if it is acute, right, obtuse, or straight. Students complete 6 problems.
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Worksheet
Math Mammoth

Triangles 1

For Students 5th - 9th
In this triangles learning exercise, students measure and calculate the measurements of eight triangles, their sums and classify the triangles as acute, obtuse or right.
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Worksheet
Curated OER

Intersecting Planes

For Students 10th
In this intersecting planes worksheet, 10th graders solve and complete 27 various types of problems. First, they use the diagrams at the right to answer each of the questions. Then, students measure each angle shown and classify them as...
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Lesson Plan
Hawaiʻi State Department of Education

Angles on Kandinsky

For Teachers 4th
Not only is Wassily Kandinsky fun to say, his art contains tons of angles. Learners discuss Kandinsky's music-inspired abstract art and four types of angles. They search one of his paintings for obtuse, right, straight, and acute angles,...
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Interactive
Curated OER

Shapes and Angles

For Students 4th
Are your geometry whizzes learning about angles and shapes? This online worksheet gives 10 multiple choice questions based on images and word problems. Concepts include deducting angle degree, classifying shapes, and identifying angle...
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Worksheet
Curated OER

Naming Angles

For Students 5th - 7th
In this geometry worksheet, students solve 6 problems in which an angle is analyzed. From 5 choices, students circle the correct math symbol that names the angle. There are no examples or explanations for the symbols, which would be...
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Worksheet
Curated OER

Classify and Measure Angles

For Students 4th - 6th
In this angles worksheet, students classify and measure a set of 9 angles, using a protractor. A reference web site is given for additional activities.
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Lesson Plan
Curated OER

Measuring Angles

For Teachers 6th
Sixth graders identify and measure right, acute, obtuse, and straight angles. In this geometry lesson, 6th graders review the definition of each angle and are shown examples of each specific angle. Students use toothpicks, gumdrops, and...
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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

Quadrilaterals and Angle Sums: Reteach

For Students 5th - 6th
In this quadrilateral and angle sum worksheet, students review the five types of quadrilaterals. Students then find each missing angle measure and classify the figures as quadrilateral, parallelogram, rectangle, rhombus, square, or...
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Worksheet
Curated OER

Classify and Measure Angles

For Students 3rd - 5th
For this angles worksheet, students use a protractor to measure and classify a set of 9 angles. A reference web site is given for additional activities.
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Lesson Plan
Curated OER

Geometry and Measurement

For Teachers 6th - 8th
Middle schoolers view a right triangle displayed by the teacher. Students measure legs and the interior angles of the triangle. They look for a pattern or relationship between the legs and angles. Middle schoolers use pegboards and...
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Lesson Plan
Curated OER

Angles

For Teachers 5th
Fifth graders identify different angles according to its type that is determined according to taking a measurement of the degree. They also explore the vocabulary related to the concept.