Worksheet
Math Mammoth

Calculating Angles in a Triangle 2

For Students 5th - 6th
In this geometry activity, learners calculate unknown angles in diagrams of 3 triangles. They draw and answer short answer questions about angles. They then calculate the designated angles in 2 more diagrams.
Worksheet
Math Mammoth

Angles in a Triangle 2

For Students 6th - 8th Standards
Youngsters draw specified angles when given measurements of other angles and discover traits of angles in similar triangles. This one-page worksheet contains six multi-step problems.
Worksheet
Curated OER

Interior and Exterior Angles of Polygons

For Students 10th
For this angles of polygons worksheet, 10th graders solve and complete 18 different problems that include determining various interior and exterior angles. First, they determine the measure of various angles described in the first half...
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: Finding Missing Sides and Angles

For Students 9th - 11th
In this right triangle trigonometry worksheet, students find the measure of specified angles. Students determine the length of the missing side of a right triangle. This four-page worksheet contains 24 problems. Answers to the worksheet...
Worksheet
Curated OER

Classifying Angles

For Students 10th
In this classifying angles activity, 10th graders solve and complete 21 various types of problems. First, they use the diagram shown on the right to answer the questions that follow. Then, students solve for x and find the measure of...
Worksheet
Curated OER

Finding Angles in Right Triangles

For Students 10th
In this geometry activity, 10th graders use right triangle trigonometry to solve application problems in which they find the measure of the missing angle in a right triangle.  The two page activity contains five free response...
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...
Lesson Plan
Curated OER

What's Your Angle?

For Teachers 3rd
Third graders read the story, Magic Schoolbus Inside the Human Body. Then they form right, acute, and obtuse angles using the joints inside their bodies. They write a brief summary about what they learned about angles as a review the...
Handout
El Paso Community College

Geometry Definitions

For Students 7th - 9th Standards
Geometry is full of shapes, figures, and corresponding things here and there. The guide shares all of the key pieces of geometric information in a nicely color-coded and labeled sheet. 
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

Types of Angles

For Students 10th
In this types of angles activity, 10th graders solve 10 different problems that include various types of angles. First, they determine the number of degrees in an angle with two supplementary angles. Then, students determine the value of...
Lesson Plan
Curated OER

Measurement of Angles

For Teachers 5th - 7th
Students measure angles that are formed by parallel lines and a transversal lines. In this angles lesson plan, students measure and define angles that are made by parallel and transversal lines. They will color code the angles based on...
Worksheet
Curated OER

Angles and Parallel Lines

For Students 10th
For 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...
Lesson Plan
Curated OER

Artistic Angles

For Teachers 5th
Fifth graders practice measuring angles by using protractors.
Lesson Plan
Curated OER

The Trig To Soccer

For Teachers 9th - 12th
Students are given the background information to open the lesson: Suppose a penalty kicker in soccer could choose where he could kick from, as long as he stayed on the back line of the penalty area. Would he have a better chance of...
Lesson Plan
Curated OER

Sum of Angles on a Triangle

For Teachers 4th - 5th
Use this lesson for a basic review of angles. While the activities discussed are outlined, there are no materials provided to make implementation possible. When using this resource, it is necessary to create worksheets and other...
Lesson Plan
Curated OER

Triangles Inscribed in a Circle

For Teachers 9th - 12th Standards
Are you tired of answers without understanding? Learners can give a correct response, but do they really understand the concept? Have young mathematicians think deeper about linear functions, angles, and formulas in algebra....
Lesson Plan
Curated OER

Searching for Angles and Lines

For Teachers 6th - 8th
Students work to find and reinforce concepts related to lines and angles. They identify the characteristics of shapes that have one, two, and three dimensions. The students also work on definitions related to the geometry of shapes.
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.
Lesson Plan
Curated OER

Measuring Beads

For Teachers 1st - 2nd
Students compare the weight of the students's favorite soft toys directly and then indirectly using beads.
Lesson Plan
Curated OER

New Angle on Forest Ecology

For Teachers 7th - 12th
Young scholars measure and calculate the angle of the sun. They compare the leaf types on the north and south to compare the effects of the sun on the type of vegetation. They complete the activities inside the classroom or on a trip to...
Lesson Plan
Curated OER

Measuring Temperatures

For Teachers 4th
Fourth graders participate in a teacher-led discussion about temperature--hot and cold. Each group of students is assigned specific materials for their lab experiment. They record temperatures measured in their journals and then plot...
Worksheet
Curated OER

Angles-Greater Than, Less Than or Equal To 90 Degrees?

For Students 5th - 6th
In this angles worksheet, students determine whether given angles are greater than, less than or equal to 90 degrees, checking the appropriate answer. A reference web site is given for additional activities.