Curated OER
Basic Matrix Algebra
Students perform basic matrices operations. In this algebra lesson, students add, subtract, multiply and divide matrices. They solve system of equations using matrices.
Curated OER
Solve Linear Systems of Equations: Graphing, Substitution, and Elimination
In this system of linear equations worksheet, students solve by using graphing, substitution, and elimination. There are 44 problems.
Curated OER
Coordinating Coordinates
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...
Alabama Learning Exchange
Creating a Reflection
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...
Curated OER
Graphing Solutions
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...
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Quilt Squared
Students study West Virginia quilts. In this mathematics lesson, students use symmetry, geometric shapes, and patterns to create their own quilt square.
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Indirect Measurement with Similar Triangles
Students 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. Students find the height of trees and...
Pennsylvania Department of Education
Introducing the Coordinate Plane
Fifth graders practice using estimation. In this estimation lesson plan, 5th graders add, subtract, multiple, and divide using whole numbers, fractions, and decimals. Students decide upon instances when estimation is more appropriate...
Curated OER
Exploring Angle Pair Relationships
Students investigate the relationship between angles of triangles. In this geometry lesson plan, students identify properties of right and non-right triangles. They differentiate between vertical and supplementary angles.
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Graphing on a Coordinate Plane
Eighth graders explore the coordinate system. They identify the x and y-axis, parts of the coordinate plane, and discuss the process of plotting points. To emphasize the process of plotting points, 8th graders play an ordered pair...
Curated OER
Properties of Special Parallelograms
Students identify properties of parallelograms. In this geometry lesson plan, students label polygons as parallelogram or not. They define and label the properties of a kite.
Curated OER
Introductory Algebra Chapter 8 Review
In this math worksheet, students solve the problems that are correlated with the objectives. Each practice set has an in depth example.
Curated OER
Circles And Cylinders
Students investigate some of the mathematical concepts involved in the study of circles. They first practice finding the circumference of a circle by finding the diameter and performing the calculation. The lesson plan delivery is done...
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Locating Points Using Cartesian Coordinates
Students discover coordinates as they explore Chicago. In this math lesson plan, students give the coordinates of a point, plot a point, and use the coordinate system in locating places on a map.
Curated OER
Linear Equations and Matrices
Learners solve systems of equations. In this precalculus lesson,students solve linear equations using matrices. They use the Gaussian elimination method to identify the missing variables and simplify the linear equations.
Curated OER
Coordinate Grid: Mapping an Archaeological Site
Students examine how archaeologists preserve context of sites through use of rectangular grid or Cartesian coordinate system, and develop sense of distance by pacing off and estimating distances.
Curated OER
Fly on the Ceiling
Fourth graders complete activities to increase their understanding of coordinates. They listen to Julie Glass' book, The Fly on the Ceiling, before playing fly tic-tac-toe and Swat the Flies, in which they use ordered pairs to state the...
Curated OER
Finding the Area of Triangles
Twelfth graders apply the formula for finding the area of a triangle to various problems. They work real life problems for finding the area of a bathroom and the cost of tiling it. They play a game, Triangle Bingo, where they match...
Curated OER
Coordinate Grid: Mapping Archeological Sites
Fourth graders discover how to apply the Cartesian coordinate system by figuring out the length and width of their school playground. They determine that pacing is an important tool for the initial mapping of a site. Students conduct a...
Curated OER
Triangle Exterior Angles Theorem
Learners identify the measure of missing exterior angles. For this geometry lesson,students define and apply the exterior angle theorem to solve problems. They use Cabri software to create different angles and make investigations.
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Fly on the Ceiling
Fourth graders play variety of games to help them explain coordinates.
Curated OER
Identifying and Describing Polygons
Learners identify the different properties of polygons. In this geometry instructional activity, students differentiate between polygons and non-polygons. They review important vocabulary to help them understand the properties of polygons.
Curated OER
Geometric Figures and the Coordinate Plane
Sixth graders explore geometric figures. In this geometry lesson, 6th graders manipulate properties and relationships of geometric figures to identify objects on the coordinate planes and describe where figures sit on the planes.
Curated OER
Reflections
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.