Worksheet
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Exterior Angles

For Students 10th
In this exterior angles worksheet, 10th graders solve and measure 10 different angles and figures related to exterior angles. First, they determine how many degrees there are in the sum of the exterior angles of a regular heptagon. Then,...
Worksheet
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Alternate Angles

For Students 5th - 10th
For this alternate angles worksheet, students find the measurement of the alternate angles in each problem. Students complete 6 problems.
Worksheet
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Corresponding Angles

For Students 4th - 6th
In this corresponding angles instructional activity, students use their knowledge of corresponding angles to determine the measurements of angles marked with a question mark.
Worksheet
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Alternate Angles

For Students 4th - 5th
In this alternate angles worksheet, students use their knowledge of alternate angles to determine the measurements of the angles that are marked with a question mark.
Worksheet
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Alternate Angles 2

For Students 4th - 6th
In this alternate angle worksheet, students use their knowledge of alternate angles to determine the measurements of angles marked with a question mark.
Interactive
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Angles in a Triangle

For Students 10th
For this geometry worksheet, 10th graders determine the measure or measures of the missing angle(s) in a triangle. The one page interactive worksheet contains four questions. Answers and hints are included. 
Lesson Plan
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Sports and Geometry

For Teachers 6th - 12th
Students investigate shapes in sports. In this geometry instructional activity, students identify geometric shapes in sports equipment, fields, etc. Students present their findings.
Lesson Plan
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Positive and Negative Angles and Arcs

For Teachers 9th - 12th Standards
To better understand that the intersection point of two lines lies inside a circle, learners use their keen measurement skills. They discuss arcs, rays, tangent lines, and reflex angles. Then, they put their skills to work as they...
Lesson Plan
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Tomb Robbers

For Teachers 6th
Sixth graders identify benchmark angles as they are embedded into a circle grid. They observe the teacher using an angle ruler and complete a Star Spangled worksheet, play the game Tomb Robbers, and as a class discuss their game winning...
Lesson Plan
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Opposite Angles in a Cyclic Quadrilateral

For Teachers 9th - 12th Standards
Learners investigate cyclic quadrilaterals in this geometry lesson. They use Cabri Jr to explore the sum of the measures of opposite angles in a cyclic quadrilateral. The dynamic nature of Cabri allows high schoolers to form and verify...
Worksheet
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Complimentary and Supplementary Angles

For Students 10th
In this geometry worksheet, 10th graders identify complimentary and supplementary angles. They solve for missing angles and relate it to the right angle theorem. There are 16 questions with an answer key.
Worksheet
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Arc and Angles Formed by Secants and Tangents

For Students 9th - 11th
In this calculus worksheet, students solve problems by finding the line of tangency and measure of the arcs and angles form by a secant line. There are 9 questions.
Interactive
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Arcs and Angles Formed by a Tangent and a Chord

For Students 10th
In this math activity, 10th graders solve problems involving a tangent line intersection the arc and forming various angles. There are 6 problems to be solved.
Lesson Plan
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Area Measures and Right Triangles

For Teachers 9th - 12th Standards
Your class will investigate the relationship among different triangles. This geometry lesson, demonstrates how to make a connection between triangles and the Pythagorean Theorem. They identify the missing side or angle of a triangle.
Worksheet
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Identify the Shape

For Students 9th - 10th
10 this geometry worksheet, students identify the different angles created by polygons and name the shape created based on the number of sides. There is an answer key.
Lesson Plan
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Angle-Side Relationships

For Teachers 9th - 12th
High schoolers calculate the different sides and angles of a triangle. In this geometry lesson, students use triangular properties to define the relationship between two triangle. They identify missing angles using the interior angle...
Lesson Plan
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Analyzing Body Angles

For Teachers 10th - 12th
Students investigate angles of polygons. In this geometry instructional activity, students identify the relationship between angles and the number of sides in a polygon. They differentiate between sumilarity anf congruence in angles and...
Lesson Plan
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Angle Action 1,2 and 3

For Teachers 8th - 10th
Students investigate angles through construction. In this geometry lesson, students use a protractor to identify the measurement of an angle. They identify angles cut by a transversal and two parallel lines.
Lesson Plan
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Duplicating Segments and Angles

For Teachers 10th
Tenth graders investigate geometric construction.  In this geometry lesson, 10th graders explore the procedure for copying an angle and a segment.  The lesson emphasizes the difference between a sketch, a drawing, and a...
Lesson Plan
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Measuring Body Angles

For Teachers 8th - 10th
Young scholars use technology to graph and compare angles. In this geometry lesson, students range of motion in the environment. They identify the missing parts of polygons using similarity and congruence.
Lesson Plan
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Sum of Interior/Exterior Angles with Wilbur

For Teachers 7th - 10th
Students identify the interior and exterior measures of polygons. In this geometry lesson, students identify the formula for interior angles of polygons. They differentiate between triangular and polygons angles.
Lesson Plan
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Whatcha Gunna Do When the Hulkster's Measuring Too??

For Teachers 8th - 10th
Students measure using tools they have made. In this algebra lesson, students measure the height and distance using non-traditional measuring methods. They apply their findings to algebra and trigonometry properties of measurements.
Lesson Plan
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NON-EUCLIDEAN GEOMETRY.

For Teachers 8th - 9th
Young scholars study relationships between angles, side lengths, perimeters, areas and volumes of similar objects. In this lesson students also create and critique inductive and deductive arguments concerning congruency, similarity and...
Worksheet
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Quiz: Similarity

For Students 7th - 8th
In this similarity worksheet, students use the characteristics of similar figures to determine the length of one side of a polygon, the height of a tree, or the shortest side of a triangle. They also identify similar figures. ...