Worksheet
Curated OER

Angles and Parallel Lines

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

Rectangles

For Students 10th
In this rectangles worksheet, 10th graders solve 10 problems related to the rectangle illustrated on the sheet. First, they use the rectangle and the given information to solve each of the five problems that follow relating to its angle...
Lesson Plan
Curated OER

Math: Gears and Wheels

For Teachers 12th
Twelfth graders solve problems involving linear and angular speed. Using information about a compact disc, they solve the problem using multiple rates and conversion factors. Students also solve additional problems involving bicycle...
Lesson Plan
Curated OER

Properties of Lines - Parallel and Perpendicular

For Teachers 6th
Sixth graders identify parallel and perpendicular lines in the alphabet. In this line properties lesson, 6th graders use the letters of the alphabet to show parallel and perpendicular lines. Students open a Geogrid Mat on the computer...
Worksheet
Curated OER

Triangles

For Students 10th
In this triangles learning exercise, 10th graders solve 3 extensive informal geometry problems that involve triangles. First, they sketch a triangle, selecting 3 of the sides and constructing 3 midpoints. Students then draw each of 3...
Worksheet
Curated OER

Polygons

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

Circles Terminology Multiple Choice

For Students 9th - 12th
In this circles learning exercise, students solve 10 multiple choice problems. Students answer questions about diameter and chord relationships, tangent lines to a circle, circumference, the Pi relationship, etc.
Lesson Plan
Curated OER

Special Triangles and Circles

For Teachers 9th - 11th
Students investigate special triangles and circles. In this geometry activity, students construct a perpendicular bisector and discuss angles of a triangle. They find the angle bisectors, vetex and the types of circle constructed.
Lesson Plan
Curated OER

Indirect Measurement with Similar Triangles

For Teachers 9th - 12th
High schoolers use similar triangles to find missing heights.  In this using similar triangles to find missing heights lesson, students use proportions to find the heights of missing side lengths.  High schoolers find the...
Lesson Plan
Curated OER

Rotations

For Teachers 7th - 8th
Young scholars discuss the concepts of reflection, rotation, and translation. For this rotation activity, students investigate rotations through examples on an overhead projector. No additional worksheet or student assignment is included.
Worksheet
Curated OER

The Right Angle

For Students 11th
In this algebra activity, 11th graders solve word problems creating a right triangle. Students determine the point and direction this turn of ninety degrees occurs. There are 4 questions with an answer key.
Lesson Plan
Curated OER

Exploring Geometric Patterns and Relationships

For Teachers 6th
Sixth graders explore different geographic relationships in like drawing lines, rays, and parallelograms. This instructional activity could be used for review because it covers more than one concept. The students should have prior...
Unit Plan
Mathematics Vision Project

Module 5: Modeling with Geometry

For Students 9th - 12th Standards
Solids come in many shapes and sizes. Using geometry, scholars create two-dimensional cross-sections of various three-dimensional objects. They develop the lesson further by finding the volume of solids. The module then shifts...
Unit Plan
Calvin Crest Outdoor School

Survival

For Teachers 6th - 12th
Equip young campers with important survival knowledge with a set of engaging lessons. Teammates work together to complete three outdoor activities, which include building a shelter, starting a campfire, and finding directions in the...
Printables
Curated OER

Parallel, Perpendicular, or Neither

For Teachers 4th - 6th
Study the difference between parallel and perpendicular lines with a set of study cards. After filling in notes (found on the second page), kids can quiz each other on the characteristics of each line, including a section that represents...
Lesson Plan
EngageNY

Review of the Assumptions (part 1)

For Students 9th - 10th Standards
What was the property again? Tired of hearing this from your pupils? Use this table to organize properties studied and as a reference tool for individuals. Learners apply each property in the third column of the table to ensure their...
Worksheet
Curated OER

Geometry Worksheet #13

For Students 10th
In this geometry worksheet #13 worksheet, 10th graders work in groups to solve 6 geometry problems, involving measurement of angles.
Worksheet
Curated OER

Geometry

For Students 6th - 10th
In this geometry worksheet, students find the sum of angles, label angles, and more. Students complete 6 questions total on this worksheet.
Lesson Plan
Curated OER

Geoboard Ideas

For Teachers 3rd - 4th
Learners build polygons on their geoboards. In this geometry lesson plan, students build and then draw it on paper and label it. Learners then switch with a partner to try an make a symmetrical shape.
Lesson Plan
Curated OER

Bisectors of Triangles

For Teachers 10th
In this geometry worksheet, 10th graders solve problems involving the perpendicular bisectors and angle bisectors of a triangle and their points of concurrency.  The one page worksheet contains sixteen questions.  Answers...
Lesson Plan
Curated OER

Coordinate Connections

For Teachers 6th
Sixth graders complete several activities that involve coordinates and graph paper. They visualize and identify geometric shapes after applying transformations on a coordinate plane. Finally, 6th graders draw and label a coordinate...
Lesson Plan
Curated OER

Flip's Flag

For Teachers 5th
Fifth graders apply the symmetry and angle properties of polygons and use fractions to express the relationships between the areas of rectangles, squares, and triangles. They analyze various country flags and develop mathematical...
Lesson Plan
Curated OER

Measure Up!

For Teachers 5th - 12th
Students examine parallax and angular measurements.  In this investigative lesson plan students calculate distances of objects and map their results.
Lesson Plan
Curated OER

Review Geometry - Week 8: (Triangles)

For Teachers 10th - 12th
In this triangle worksheet, young scholars determine the length of the sides of a triangle, perpendicular lines, and the area of triangles. This two-page worksheet contains eight problems.