Lesson Plan
Curated OER

Ovals, Rectangles, Squares, and Triangles

For Teachers 3rd - 5th
Students identify geometrical shapes displayed in photographs of everyday objects in a metropolitan setting.
Lesson Plan
Curated OER

Geometry House!

For Teachers 4th
Fourth graders use computer drawing tools to create a house of geometric shapes.
Lesson Plan
Curated OER

Exploring Special Segments in Triangles

For Teachers 9th - 12th
High schoolers discover that four special segments have a common intersection point. They identify the position of the intersection point in triangles. They produce conjectures about areas of the divided triangles.
Interactive
Curated OER

Try These Angles! Exploring Angles: Post Test

For Students 5th - 8th
In this angles worksheet, students answer multiple choice questions about angles on their own and angles inside shapes. Students complete 10 multiple choice questions.
Worksheet
Curated OER

Problem Solving: Strategy: Use Logical Reasoning

For Students 6th
In this problem solving strategy instructional activity, 6th graders solve a story problem using the strategies of understand, plan, solve, and look back.
Interactive
Curated OER

Have You Got the Angle?: Pre Test

For Students 4th - 8th
In this angles worksheet, students complete multiple choice questions about the shape and number of angles. Students complete 10 questions total.
Interactive
Curated OER

Try These Angles! Exploring Angles

For Students 5th - 8th
In this angles instructional activity, learners answer multiple choice questions about different types of angles in shapes. Students complete 10 questions.
Interactive
Curated OER

Measuring Angles

For Students 5th - 6th
In this measuring angles worksheet, students complete a set of 10 multiple choice questions, clicking on a link for answers or to print the page. Worksheet is labeled "pretest."
Lesson Plan
Curated OER

Classifying and Measuring Angles

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

For Teachers 1st - 2nd
Young scholars classify triangles by the length of their sides. In this geometry lesson, students use a white board to demonstrate the angles of various triangles. Young scholars construct an equilateral, isosceles, and a scalene triangle.
Lesson Plan
Curated OER

What Is Your Angle?

For Teachers 5th - 8th
Learners explore the concept of angles by interacting with numerous types of measurements. They create index cards with different angles. Then they pass the cards around to other students for comparison and measurement. They practice the...
Lesson Plan
Curated OER

Isosceles Triangles

For Teachers K - 2nd
Students investigate triangles. In this shapes geometry lesson, students define and state the attributes for equilateral, scalene, and isosceles triangles. Students locate the prefix "tri" in a variety of words and make connections with...
Interactive
Curated OER

Have You Got The Angle?

For Students 5th - 6th
In this angle worksheet, students complete a set of 10 multiple choice questions. An answer link is provided; page is labeled as a "post test."
Lesson Plan
Curated OER

Geometry Review

For Teachers 7th
Seventh graders explore basic geometric definitions involving angles, area, and circumference. To reinforce basic geometric concepts, they play a "lightning Flash" card game. Students discuss chores or jobs that require the use of...
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.
Worksheet
Curated OER

Measure Me

For Students 4th - 5th
In this math worksheet, students measure the different angles for the six problems. They use a protractor and also estimate the solutions.
Lesson Plan
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Angle Action 1,2 and 3

For Teachers 8th - 10th
Students investigate angles through construction. In this geometry instructional activity, students use a protractor to identify the measurement of an angle. They identify angles cut by a transversal and two parallel lines.
Worksheet
Curated OER

Angle Measures

For Students 5th - 6th
In this angles worksheet, students solve 20 problems pertaining to angle measurement and classification. This page is intended to be an online activity, but can be completed on paper.
Lesson Plan
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Red October

For Teachers 4th
Fourth graders follow directions given in bearings. They invent their own maps using them and use a protractor to help them with their designs. Students produce their own maps with instructions for navigating the maps. The channels...
Lesson Plan
Curated OER

Clockwise

For Teachers 2nd
Second graders investigate angles through this series of lessons. They determine how angles turn in both clockwise and anticlockwise directions. They examine the characteristics of quarter half turns and how they can begin from any...
Worksheet
Curated OER

Easy Worksheet: Types of Triangles

For Students 9th - 12th
In this types of triangles worksheet, students solve 6 short answer problems. Students identify the type of triangle being described according to side length or angle measure.
Lesson Plan
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Equilateral Triangles

For Teachers 4th - 5th
Learners examine the attribute of equilateral triangles. In this equilateral triangle lesson, students examine a number of paper triangles to determine how they are classified. They determine how triangles are depicted in Navajo rugs.
Lesson Plan
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Lines and Angles

For Teachers 4th - 5th
Students explore Geometry with Twizzlers Candy, pipe cleaners, paper, pencils, and protractors. They manipulate these items to create different angles introduced by the teacher.
Lesson Plan
Curated OER

Geoboard Ideas

For Teachers 3rd - 4th
Learners build polygons on their geoboards. For this geometry lesson plan, students build and then draw it on paper and label it. Learners then switch with a partner to try an make a symmetrical shape.