Lesson Plan
Curated OER

Measuring the Earth

For Teachers 9th - 12th
Students use principles of geometry to measure the circumference of the Earth. In this applied geometry lesson, students use mathematics to determine scientific information. They make measurements, calculate the central angle, and...
Worksheet
Curated OER

Kuta Software - Angles in Quadrilaterals

For Students 9th - 12th
For this angles in quadrilaterals worksheet, students solve 18 short answer problems. Students find unknown angles in a quadrilateral given a sketch of various quadrilaterals with unknown angle measurements.
Worksheet
Math Mammoth

Construct Line Segments and Angles

For Students 6th - 7th
In this math activity, learners are asked to used a compass and straight edge to construct copies of shapes, angles and line segments.
Worksheet
Curated OER

Right Triangle Trigonometry

For Students 10th
In this geometry activity, 10th graders use right triangle trigonometry to find the missing angle measure.  The two page activity contains fourteen problems.  Answers are provided. 
Worksheet
Curated OER

Angles in Circles

For Students 10th
For this angles in circles worksheet, 10th graders solve 10 different problems that include tangents and chords and intersecting chords. First, they find x when given 2 intersecting chords. Then, students determine x given the diameter...
Worksheet
Helping with Math

Supplementary Angles

For Students 4th - 6th Standards
Pupils calculate the measurement of supplementary angles when one angle is known. The one-page assignment has six simple problems. It contains links to related resources as well as the answer key. Be aware that although the publisher...
Activity
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Illustrative Mathematics

Midpoints of the Sides of a Paralellogram

For Teachers 9th - 12th Standards
This task asks learners to prove that the segment joining the midpoints of two sides of a parallelogram is both congruent and parallel to an adjacent side of the parallelogram. The activity would be good to use in a discussion about how...
Worksheet
Curated OER

Angles Identification

For Students 3rd - 5th Standards
In this assignment, math whizzes identify angles as either being obtuse, acute, right, or straight. Students identify six angles. The publisher states that this is designed with CCSS.Math.Content.MD.6 in mind, but it really does not ask...
Worksheet
Curated OER

Angles

For Students 10th
In this angles worksheet, 10th graders measure 10 different types of angles described in each problem. First, they determine whether two congruent angles form a supplementary figure. Then, students determine the degrees in an angle when...
Worksheet
Curated OER

Measuring Angles with a Protractor

For Students 7th - 8th
In this measuring angles worksheet, students solve and complete 3 various types of problems. First, they complete each statement by measuring each angle shown. Then, students measure all three angles in a triangle and add them.
Worksheet
Curated OER

Measuring Angles in Triangles

For Students 10th
For this measuring angles in triangles worksheet, 10th graders solve 12 different measurement problems with angles within triangles. First, they find the value of x in each triangle given the angle measurements. Then, students find the...
Worksheet
Curated OER

Measuring Angles

For Students 10th
For this measuring angles worksheet, 10th graders solve and complete 8 various types of problems. First, they use a protractor to find the measure of each angle shown. Then, students find the missing angle measures. They also refer to...
Worksheet
Curated OER

Angles

For Students 6th - 8th
In this math learning exercise, students measure a series of angles. Then they measure the angles in the triangles and determine the sum of the angles.
Worksheet
Curated OER

Inscribed Angles

For Students 10th
In this inscribed angles worksheet, 10th graders solve 11 different problems that are related to determining the measurement of various inscribed angles. First, they name the intercepted arc for an angle, the inscribed angle, and the...
Worksheet
Curated OER

Angle Measurement

For Students 10th
In this angle measurement worksheet, 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....
Lesson Plan
Curated OER

What Is Your Angle?

For Teachers 5th - 8th
Students 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

Working With Angles

For Teachers 4th - 5th
In this math worksheet, students collaborate with a "study buddy" or "coach" to learn whether an angle is acute, obtuse or right. Students follow the directions to go through the process of deciding what classification an angle has....
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...
Worksheet
Curated OER

Angle Measurement Exercises

For Students 11th - Higher Ed
In this math worksheet, students find the measurements of the angles in degrees. Then they determine which ones are in Standard Position.
Worksheet
Curated OER

Angles and Parallel Lines

For Students 10th
In this angles and parallel lines worksheet, 10th graders solve 15 different problems related to measuring angles and parallel lines in three different figures. First, they find the measure of each angle in the first figure, numbers...
Worksheet
Curated OER

Exploring Angles

For Students 10th
In this exploring angles worksheet, 10th graders solve 6 various problems of geometry by identifying various types of angles. First, they use the figure shown to list all the angles that have W as the vertex and then, name the straight...
Lesson Plan
Curated OER

Angles and Triangles

For Teachers 8th
Eighth graders examine Jewish symbols. In this Holocaust instructional activity, 8th graders discuss the meanings behind the Swastika and the Star of David. Students also measure the angles and shapes with the symbols.
Lesson Plan
Curated OER

Hey! What Is Your Angle?

For Teachers 5th
Fifth graders create and classify straight, right, acute and obtuse angles. In this clever lesson plan, 5th graders utilize pretzel sticks to form different types of angles. Best of all, they get to eat them at the end!
Worksheet
Curated OER

Angles and Parallel Lines

For Students 10th
In this angles and parallel lines worksheet, 10th graders solve 12 different types of problems that include measuring various angles and parallel lines in given figures. First, they find the measure of each angle using the figure shown....