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Worksheet
Curated OER

Angle Sum of Triangles and Quadrilaterals

For Students 9th - 12th
In this angle sum instructional activity, students find missing angles of 20 triangles and quadrilaterals.  Students find the missing angle in each polygon by using the total degrees of each and given angle measures.
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Worksheet
Curated OER

Acute or Obtuse Angles

For Students 6th - 7th
In this geometry activity, students view ten angles of varying degrees and identify if the angle is acute or obtuse. The students write the answer on the lines provided.s
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Worksheet
Curated OER

Name of Angles

For Students 10th
In this geometry worksheet, 10th graders calculate and identify the given angle 4 different ways. There are 8 questions with an answer key.
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Worksheet
Curated OER

Proving Quadrilaterals

For Students 10th
In this geometry worksheet, 10th graders identify the missing angles using the polygons sum conjecture. They measure exterior and interior angles using their angle theorems. There are 63 problems.
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Worksheet
Curated OER

Geometry Worksheet- Angle

For Students 9th - 11th
In this geometry activity, students solve questions dealing with angles, triangles, and quadrilaterals. They calculate the missing angle. There are 2 questions.
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Worksheet
Curated OER

State Facts A Right Angle Puzzle

For Students 9th - 10th
In this geometry instructional activity, students create words making a right angles each time. There are 50 questions to be solved with an answer key.
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Interactive
Curated OER

Method for Remembering the Coordinates of the Points in the First Quadrant on the Unit Circle

For Students 11th - Higher Ed
In this Unit Circle activity, students explore a method to help remember the coordinates of the points in the first quadrant on the unit circle.  Answers are provided as well as a completed unit circle.
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Worksheet
Curated OER

Corresponding Angles

For Students 7th - 9th
For this corresponding angles worksheet, students identify corresponding angles and determine their angle measurement.  This two-page worksheet contains 6 problems.  Answers are provided on the last page.
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Worksheet
Curated OER

Similar Figures

For Students 7th - 10th
In this similar figure worksheet, students find the length of a missing side of given triangles and quadrilaterals.  This six-page worksheet contains 24 problems.  Answers are provided on the last page.
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Worksheet
Curated OER

Solve Word Problems with Geometry

For Students 7th - 12th
In this geometry worksheet, students solve word problems having to do with lines, angles, shapes, area, perimeter, and more. Students complete 57 problems total.
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Worksheet
Curated OER

Perimeter of Triangle Worksheet

For Students 7th - 8th
In this perimeter worksheet, students find the perimeter of given triangles.  This two-page worksheet contains 6 problems.  Answers are provided on the last page.
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Lesson Plan
Curated OER

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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Worksheet
Curated OER

Co-exterior Angles Worksheet

For Students 10th
In this geometry worksheet, 10th graders analyze angles created by a transversal. They identify co-exterior angles as they review theorems dealing with parallel lines. There are 6 questions with an answer key.
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Worksheet
Curated OER

Identify the Angles

For Students 9th - 11th
In this geometry worksheet, learners identify angles using a word bank.  They differentiate between obtuse, acute or right angle.
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Lesson Plan
Curated OER

Angles Everywhere

For Teachers 1st
First graders find angles in their classroom. In this geometric figures lesson, 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
Curated OER

Angles That Pair

For Teachers 6th - 8th
Students identify angles.  In this angles that pair lesson, students identify adjacent, vertical, complementary, and supplementary angles.  They use straws, pretzel sticks to demonstrate given types of angles. 
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Worksheet
Curated OER

New York State Math Test Grade 5

For Students 5th
In this New York State math test worksheet, 5th graders complete multiple choice questions on place value, angles, fractions and more. Students complete 26 problems.
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Lesson Plan
Curated OER

Basic Shapes

For Teachers 11th - 12th
Students create books about shapes.  In this shape lesson, students select a topic such as points, lines, angles, planes, polygons, quadrilaterals, triangles, circles, and polyhedra.  In groups, they create an illustrated children's book...
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Worksheet
Curated OER

1st Geometry

For Teachers 3rd - 6th
In this geometry worksheet, students choose the multiple choice answer to 15 questions involving several different elements of geometry.
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Lesson Plan
Curated OER

Sled Kite Proportions

For Teachers 6th - 8th
Students build sled kites. in this kite building instructional activity, students must read directions for kite building and enlarge the proportions of the given kite pattern. Students focus on the angles and line of symmetry in their...
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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 protractor,...
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Worksheet
Curated OER

Polygons

For Students 6th - 10th
In this polygons worksheet, students read about and complete many activities involving triangles, angles, and symmetry. Students complete 17 pages of activities.
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Lesson Plan
Curated OER

An Uplifting Experience

For Teachers 5th
Fifth graders conduct flight experiments.  In this uplifting experience lesson, 5th graders build an airfoil and place in a variety of conditions to observe the results of lift and force in flight, as well as angle of attack.  Students...
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Lesson Plan
Curated OER

What is my Angle? App

For Teachers 6th - 12th Standards
Learners estimate angle measures in this this estimating angle measures lesson. They use an application on their graphing calculator that shows various settings involving angles and then they estimate the angle measure of a clock's...