Lesson Plan
Curated OER

Linear Systems

For Teachers 7th - 9th
Students solve and graph linear equations. In this algebra lesson, students solve systems of equations using elimination and substitution. They graph their answer and identify the point of intersection.
Lesson Plan
Curated OER

Choosing a Summer Job

For Teachers 7th - 9th Standards
What did you do over your summer vacation. Young wage earners must compare summer job options, and determine when each job earn the same amount and what that amount be. This be done by creating, graphing, and solving systems of...
Lesson Plan
Curated OER

Grab Bags

For Teachers 8th
Eighth graders graph two inequalities with a single variable. They include drawing the intersection or union of inequalities on a number line. Students solve the linear equations using properties of equality and inequality. The lesson...
Lesson Plan
Curated OER

Mr./Ms.Scientist, This Is Your Life

For Teachers 6th - 8th
Students create a timeline of ten events in chronological order about a scientist to include his/her accomplishments.
Lesson Plan
Curated OER

Looking at Data

For Teachers 3rd
Third graders use two days to create, collect, display and analyze data. Classroom activities and practice build greater understanding to a variety of forms used to display data.
Lesson Plan
Curated OER

Angling Your Way Through a Picture

For Teachers 5th - 7th
Students look at the geometry in an artwork. In this art history/geometry instructional activity, students research the artist Charles Sheeler and look at his painting Stacks in Celebration. They find the different types of lines,...
Worksheet
Curated OER

Graphs

For Students 9th - 11th
In this algebra learning exercise, students calculate the point of intersection between a circle and a straight line. There are 5 questions with an answer key.
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

Circles and Angles

For Teachers 9th - 11th
Students identify tangents, chords and secants. For this geometry lesson, students graph circles and identify angles created by secant lines, tangent lines and chords.
Worksheet
Curated OER

Geometric Probability

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

Angle Exploration and Classification

For Teachers 4th - 7th
Students compare and contrast angles and identify them as acute, obtuse, right, or straight angles. They create rays and angles using uncooked spaghetti, read and discuss key vocabulary terms, and complete a variety of geometry worksheets.
Lesson Plan
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Curated OER

Coordinating Coordinates

For Teachers 3rd
Third graders explore coordinate pairs and coordinate grids. They use a grid on which each letter of the alphabet is assigned a coordinate pair, 3rd graders decipher a coded message. Pupils compare coordinate pairs on a coordinate grid...
Lesson Plan
Curated OER

Shapes Are Everywhere

For Teachers 3rd
Third graders use various shapes to identify polygons and understand symmetry. They explore pattern blocks noticing their similarities and differences, then share with other team members. They draw 3 polygons in their journals and...
Lesson Plan
Alabama Learning Exchange

Creating a Reflection

For Teachers 4th - 7th Standards
Investigate geometric reflections in this geometry lesson. Create geometric reflections that show the reflection across the x and y axis of a coordinate graph. Learners watch a teacher demonstration before proceeding on their own. They...
Lesson Plan
Curated OER

Graphing Solutions

For Teachers 9th
In this graphing solutions worksheet, 9th graders solve 13 various types of problems. First, they find the solution of each systems by graphing on the coordinate plane provided. Then, students solve each systems of equations...
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

Arc and Angles Formed by Secants and Tangents

For Students 9th - 11th
In this calculus worksheet, students solve problems by finding the line of tangency and measure of the arcs and angles form by a secant line. There are 9 questions.
Lesson Plan
Curated OER

What's That Tree?

For Teachers 5th
Fifth graders identify trees along a nature trail. Using a dichotomous key, 5th graders answer questions to aid in their identification of trees along a specified nature trail. Observations are recorded in their science journals. Sample...
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...
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

Similar Triangles and Proportions

For Teachers 9th - 12th Standards
Pupils investigate similar triangles and proportions as they make conjectures about the length of sides of similar triangles. For this lesson, have your class construct similar triangles using Cabri Jr so that they share a common vertex.
Worksheet
Curated OER

Linear Functions

For Students 9th - 11th
In this algebra worksheet, students identify and label functions as linear or not. They find the domain and range of each function. There are 15 multiple choice questions.
Lesson Plan
Pennsylvania Department of Education

Classifying Figures on the Coordinate Plane

For Teachers 5th
Fifth graders use estimation to solve word problems. In this fractions instructional activity, 5th graders decide whether or not an answer to a work problem is reasonable by applying their knowledge of fractions, decimals and estimation....
Worksheet
Curated OER

Worksheet 35 - Fall 1995

For Students 11th - Higher Ed
In this math worksheet, learners sketch the graphs labeling the point of intersection in the first quadrant. Then they find the area of Ω.