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Printables
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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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Printables
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Houghton Mifflin Harcourt

Unit 6 Math Vocabulary Cards (Grade 5)

For Students 5th Standards
Acute angles, nets, and vertices are only a few terms that a set of flash cards includes. Among the 108 cards, two types are available; word cards printed in bold-faced lettering, and corresponding definition cards equipped with an...
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Activity
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Curated OER

Star Wars: Rays and Angles Edition

For Teachers 4th Standards
Rays and angles and Star Wars? It sounds strange, but it's actually a fun game to help fourth graders get good at measuring and identifying angles and rays with a protractor. Each pair of children chooses which Star Wars character they'd...
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Lesson Plan
Curated OER

Sorting Angles

For Teachers 4th - 7th
In this sorting angles worksheet, students distinguish the differences between right, obtuse and acute angles. Students determine what type of angle thirteen angles are as shown.
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Worksheet
Curated OER

Angle Measurement

For Students 10th
In this angle measurement activity, 10th graders solve 24 different problems related to determining the measurement of various angles. First, they define the various ways to measure an angle and define the type of angle that it is. Then,...
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Worksheet
Curated OER

Angle Measurement 2

For Students 10th
In this angle measurement worksheet, 10th graders solve 24 problems that include determining the measurement of various angles. First, they define each angle and the specific type that is shown in each. Then, students determine the...
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Worksheet
Curated OER

Measuring Spider Web Angles

For Students 2nd - 3rd
In this mathematics worksheet, students identify that the spiders each used a different angle to create their webs. Then they find out each spider's angle by estimating and measuring.
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Worksheet
Curated OER

Geometry - Angles

For Students 4th
For this geometry worksheet, 4th graders match 6 named angles to their characteristics. They work with right, acute, straight, reflex, obtuse, and complete rotation angles.
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Lesson Plan
Curated OER

Angle Land and Angle Aerobics

For Teachers 6th
Sixth graders investigate different types of angles. In this geometry lesson, 6th graders use a protractor to identify acute, obtuse, and straight angles.
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Worksheet
Curated OER

Measuring, Drawing, and Naming Angles

For Students 6th - 10th
In this angles worksheet, students name and measure six angles.  Students then draw four angles with a protractor given the degree measure.
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Worksheet
Curated OER

Triangle Angle Sort

For Students 10th
In this triangle and angle worksheet, 10th graders identify 36 different angles and triangles illustrated on the sheet. First, they define the vocabulary to include equilateral, scalene, right, and isosceles triangle. In addition, they...
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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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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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Lesson Plan
Curated OER

How To Use A Protractor

For Teachers 5th
Fifth graders use the SMART Board to demonstrate how to use a protractor to measure acute, obtuse, and right angles. In this protractor lesson plan, 5th graders also complete an angles worksheet.
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Worksheet
Curated OER

Identify the angles - acute, right, obtuse, and straight

For Students 6th - 10th
In this angles worksheet, students draw the angles described to them and then decide whether it is an acute, right, obtuse, or straight angle. Students complete 4 problems.
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Worksheet
Curated OER

Identify the Angles

For Students 5th - 7th
For this angle review worksheet, students examine 4 angles and identify each of them as acute, right, obtuse, or straight angles.
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Lesson Plan
Curated OER

Geometry: Lesson 8

For Teachers 8th
Eighth graders engage in a lesson that is concerned with the finding of angles that are found in different two dimensional figures. They compare and contrast exterior and interior angles while also determining the unknown measures of...
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Worksheet
Curated OER

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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Lesson Plan
Curated OER

Symmetry in Paper Airplanes

For Teachers 5th - 8th
Students explore symmetry.  For this geometry and scientific inquiry lesson, students design paper airplanes with middle line symmetry, as well as right, obtuse, and acute angles.  Students measure the plane's angles using a...
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Lesson Plan
Curated OER

Measuring Angles

For Teachers 6th - 8th Standards
Middle schoolers explore angle measure as they estimate angle measure and measure and draw angles of less than 360 degrees. The lesson emphasizes the use of estimation when measuring angles.
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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...
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Lesson Plan
Curated OER

Polygons and Angles

For Teachers 6th
Sixth graders estimate the measurement of angles and then measure the exact distance using an angle ruler. In groups, they explore shapes and recognize the characteristics acute, obtuse and right angles. Students sketch required shapes,...
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Worksheet
Curated OER

Angles

For Students 7th - 10th
In this angles instructional activity, students determine if sixteen angles are acute, obtuse, straight or right. Students defend their decisions with their classmates.
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Lesson Plan
Curated OER

Angles And Triangles

For Teachers 7th
Seventh graders participate in a lesson that is focused upon the concepts of classifying different angles and triangles. They practice classifying triangles according to its kind that includes types of angles, congruence, and vertices....

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