Lesson Plan
Curated OER

How Long Does It Take?

For Teachers 3rd - 5th
Students investigate the lengths of time various activities take and calculate how long is spent on these activities in a week. They complete a worksheet for each activity that is timed, and calculate lengths of time for simulated...
Lesson Plan
Utah Education Network (UEN)

It's All Just Similar to Me

For Teachers 7th - 8th
Middle schoolers explore the concept of similar figures. In this similar figures instructional activity, pupils calculate scale factors of similar triangles. They find missing sides of triangles, and measure angles using protractors and...
Worksheet
Curated OER

Angles: Prove It!

For Students 5th - 6th
For this angle worksheet, students first draw a set of intersecting lines, then use a protractor to complete a set of instructions about angles and answer related questions. Answers included on page 2.
Lesson Plan
Curated OER

Twenty-Five Measures of the Angles of a Triangle Problems

For Teachers 9th - 10th
In this triangle worksheet, pupils calculate the measures of the angles or the sums of the measures of the angles in twenty-five triangle problems and hands-on activities.  The solutions are provided.
Lesson Plan
Curated OER

Arc Measurement Based on The Measurement of a Central Angle

For Teachers 9th - 10th
Students define keywords that are important to solve problems. In this geometry lesson, students find the arc length and angle of a circle. They convert between radians and degrees.
Lesson Plan
Curated OER

Exploring Harmonic Conjugates

For Teachers 9th - 10th
High schoolers investigate harmonic conjugates using Cabri Software or the Ti Calculator to analyze harmonics. They explore different angles measurements as they move their circles around and solve problems.
Worksheet
Curated OER

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,...
Lesson Plan
Curated OER

Triangle Exterior Angles Theorem

For Teachers 7th - 9th
Students identify the measure of missing exterior angles. In this geometry lesson,students define and apply the exterior angle theorem to solve problems. They use Cabri software to create different angles and make investigations.
Lesson Plan
Curated OER

Interior and Exterior Angles of Polygons

For Teachers 9th - 10th
Young scholars identify interior and exterior angles of polygons. In this geometry lesson, students add interior and exterior angles of polygons. They use angle theorems to solve the problems.
Lesson Plan
Curated OER

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.
Worksheet
Curated OER

Vertical Angles

For Students 4th - 5th
For this vertical angle worksheet, learners find the measurements for all angles, using knowledge of vertical and supplementary angles.
Lesson Plan
Curated OER

Patterns in the Sums of Polygon Angles

For Teachers 6th
Sixth graders discover the patterns of sums of polygon angles. In this math lesson, 6th graders study the properties of geometric shapes to solve problems as they participate in hands-on activities.
Worksheet
Curated OER

Vertical Angles 2

For Students 3rd - 5th
In this vertical angle worksheet, students use their knowledge of vertical angles to find measurements of all angles present.
Worksheet
Curated OER

Understanding Angles

For Students 9th - 11th
In this geometry worksheet, students identify the different measure of each angle. They rotate the rays around and make observations about the angles formed. There are 15 questions and lots of examples.
Worksheet
Curated OER

Angles and Parallel Lines

For Students 8th - 10th
In this geometry worksheet, students identify the interior and exterior angles of parallel lines cut by a transversal. There are 11 questions with an answer key.
Worksheet
Curated OER

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
Curated OER

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
Curated OER

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
Curated OER

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.
Worksheet
Curated OER

Four Coterminal Angle Problems

For Students 11th - Higher Ed
In this coterminal angle worksheet, learners find two positive and two negative coterminal angles for the provided degree measure.  The solutions are not provided.
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

Nice Angle

For Teachers 4th - 6th
Students experiment with paper, light, thermometers and measurement to explore how the Sun's angle affects the temperature on Earth.
Worksheet
Curated OER

Pairs of Angles Homework

For Students 9th - 10th
In this algebra worksheet, students identify the missing angles. They use properties of angles, linear pair and vertical angles to find their missing measurement. There are 14 questions.
Worksheet
Curated OER

Pairs of Angles

For Students 9th - 10th
In this geometry worksheet, students identify angles formed by intersecting lines. They apply the properties of angles do identify the missing measures. There are 12 questions.

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