Worksheet
Curated OER

Solving Equations

For Students 9th
In this solving equations worksheet, 9th graders solve 24 different problems. First, they find the zeros of each function. Then, students solve each equation by factoring. They also solve each equation by completing the square and...
Lesson Plan
Curated OER

Worksheet 4 - Geometric Mean

For Teachers Higher Ed
In this geometric worksheet, students examine the geometric and algebraic definition of the dot product. They find angles between two curves, determine if two vectors are parallel, and explain conditions on vectors. This one-page...
Worksheet
Curated OER

Quadratic Equations

For Students 8th - 10th
In this algebra worksheet  uses factoring to solve and graph quadratic equations. The three page worksheet contains explanation of topic, worked examples and five practice problems. Answers are not provided. 
Lesson Plan
Curated OER

Pirate Map

For Teachers K - 2nd
Learners write directions explaining how to get from one location to another by using a map of their town and use simple maps to identify and locate places.
Lesson Plan
Curated OER

Worksheet 25

For Teachers Higher Ed
In this math worksheet, students draw a graph of functions on a polar graphing system. They graph two functions by first plotting them on the vertical axis as a function of a given angle, then by plotting them at a radial distance from...
Lesson Plan
Curated OER

What's your favorite pi?

For Teachers 6th
Sixth graders toss popcorn kernels at a 12? circle inscribed in a 12? square. By counting the number of popcorn kernels that land inside the circle and inside the square the students calculate estimates for the value of pi.
Lesson Plan
Curated OER

Stained Glass for Your Class

For Teachers K - 8th
Pupils use a 8 1/2 x 11 piece of white drawing paper, each student creates an original line drawing of a subject that interests them. They can create a geometric design. Students place the completed drawing under an 8 1/2 x 11 piece of...
Worksheet
Curated OER

Concurent Circles II

For Students 9th - 11th
In this geometry worksheet, learners draw a shape based on the directions. They tell the reasons the four resulting circles are concurrent. A sample drawing is included.
Lesson Plan
Curated OER

Secants, Tangents and Arcs

For Teachers 9th - 12th Standards
Students identify chords and angles. In this geometry lesson, students calculate the length of the chords inside and outside of-the circle. They differentiate between tangent and secant lines.
Lesson Plan
Curated OER

Compass Rose

For Teachers 6th - 10th
Students describe the movement of the Earth as it relates to the sun. They construct a permanent compass rose and use it to find directions.
Worksheet
Curated OER

Identify the Shape

For Students 9th - 10th
10 this geometry instructional activity, learners 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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Reflections

For Teachers 10th
Tenth graders perform reflections on different geometric shapes. In this geometry worksheet,students define the concept of geometric reflections and find the coordinates of the reflection on a coordinate grid.
Lesson Plan
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Curated OER

Unit Circle

For Teachers 11th - 12th
In this Pre-Calculus worksheet, students solve problems involving angles and the unit circle.  The four page worksheet contains a combination of twenty multiple choice and free response problems.  Answers are provided. 
Worksheet
Curated OER

Pairs of Lines

For Students 9th - 10th
In this geometry activity, students differentiate between perpendicular and parallel planes and lines. They identify segments that are parallel and perpendicular to sides. There are  22 questions.
Worksheet
Curated OER

Self Check Practice

For Students 9th - 12th
In this planes instructional activity, students solve 5 multiple choice problems. Students determine which planes intersecting create a given line. Students determine which point is coplanar with three other ones.
Lesson Plan
Curated OER

Exploring Special Segments in Triangles

For Teachers 9th - 12th
Students discover that four special segments have a common intersection point. They identify the position of the intersection point in triangles. They produce conjectures about areas of the divided triangles.
Worksheet
Curated OER

Worksheet #2.1 PreCalculus Functions

For Students 10th - 11th
In this precalculus worksheet, students use their graphing calculator to solve equations by finding the graph of an equation and by defining the function. Afterward, they explain the two methods used in solving the problem.
Worksheet
Curated OER

Why do Stars Rise in the East?

For Students 8th - 10th
In this stars rise in the east activity, students use geometry to show how the Earth rotates from west to east and why celestial bodies appear to rise in the east and set in the west. Students draw a figure and label given points in...
Lesson Plan
Curated OER

You Must Still Think Yourself, CAS Can Only Help

For Teachers 9th - Higher Ed Standards
Have the class learn about and make conjectures about a line intersecting a cubic.  In this making conjectures about a line intersecting a cubic lesson, students draw lines that intersect a cubic at three different points. ...
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

Geometric Probability

For Students 10th
In this geometry instructional activity, 10th graders determine the probability of an event occurring based on the geometric sketch.  The one page instructional activity contains fourteen problems.  Answers are included. 
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...
Worksheet
Curated OER

Chapter 8 Test: Geometry Vocabulary

For Students 7th - 9th
In this geometry worksheet, students match geometry words to illustrated examples. They find the missing angle of given polygons. This eight-page worksheet contains 45 problems. Answers are provided on the last two pages.
Lesson Plan
Ohio Department of Education

I Can Name that Angle in One Measure! - Grade Eight

For Teachers 7th - 9th Standards
Collaborative groups work with geometry manipulatives to investigate conjectures about angles. They create a graphic organizer to use in summarizing relationships among angles in intersecting, perpendicular and parallel lines cut by a...