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Activity
Curated OER

Unit Squares and Triangles

For Teachers 9th - 11th Standards
This is an interesting geometry problem. Given the figure, find the area of a triangle that is created by the intersecting lines. The solution requires one to use what he/she knows about coordinate geometry, as well as triangle and angle...
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Instructional Video9:40
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Flipped Math

Equations of Lines in the Coordinate Plane

For Students 9th - 12th Standards
What, you mean there is algebra in a Geometry class? Pupils review graphing and writing the equations of lines in slope-intercept form. The instruction follows the "I do, we do, you do" framework of a lesson. The instructor first...
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Worksheet
Curated OER

Geometry Coordinates

For Students 6th - 8th
In this geometry coordinates worksheet, students plot given ordered pairs. This one-page worksheet contains 6 problems.
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Worksheet
Curated OER

1st Geometry

For Teachers 3rd - 6th
In this geometry worksheet, students choose the multiple choice answer to 15 questions involving several different elements of geometry.
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Worksheet
Curated OER

Dilations and Similarity

For Students 8th - 10th Standards
In this dilations and similarity worksheet, pupils solve 10 different problems that include various dilations. First, they determine the scale factor of dilations found in the illustrated graphs. Then, everyone determines the coordinates...
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Lesson Plan
EngageNY

Perimeter and Area of Polygonal Regions Defined by Systems of Inequalities

For Students 9th - 12th Standards
When algebra and geometry get together, good things happen! Given a system of inequalities that create a quadrilateral, learners graph and find vertices. They then use the vertices and Green's Theorem to find the area and perimeter of...
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Worksheet
Curated OER

Analytic Geometry

For Students 9th
In this analytic geometry instructional activity, 9th graders graph and solve 13 different types of problems that include determining whether equations are linear to matching given equations to their corresponding equation in the second...
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Worksheet
Curated OER

Coordinate Geometry

For Students 9th
In this Algebra I worksheet, 9th graders identify and graph points on a coordinate plane, determine the x-and y-intercepts of a linear equation, and graph linear equations.  The six page worksheet contains nineteen problems.  Answers are...
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Worksheet
Curated OER

Coordinate Geometry

For Students 9th - 11th
In this geometry worksheet, students solve and graph points on coordinate plane. They write the equation of a line and describe the line's position on a coordinate plane.  There are 9 questions with an answer key.
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Worksheet
Curated OER

Points, Lines and Planes

For Students 10th
In this points, lines and planes worksheet, 10th graders solve and complete 9 various types of problems. First, they name the planes that intersect a figure shown. Then, students determine the points that are collinear and coplanar in...
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Worksheet
Curated OER

Line, Planes and Points

For Students 10th
In this geometry worksheet, 10th graders create visuals to help them understand the position of a point, line and plane in space or on a coordinate plane. There are 3 questions.
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Lesson Plan
Virginia Department of Education

Transformations

For Teachers 9th - 11th Standards
The coordinate plane is a popular place! Identify rotations, reflections, and dilations on the coordinate plane. Pupils work in small groups to match transformations of a figure with the description of the transformation. They perform...
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Lesson Plan
Virginia Department of Education

Distance and Midpoint Formulas

For Teachers 9th - 11th Standards
Small groups work through two guided activities to derive the distance and midpoint formulas for the coordinate plane. The activities begin with concrete examples and move to abstract.
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Lesson Plan
EngageNY

Representing Reflections with Transformations

For Teachers 11th - 12th Standards
In the 16th lesson in the series of 32 the class uses the concept of complex multiplication to build a transformation in order to reflect across a given line in the complex plane. The lesson breaks the process of reflecting across a line...
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Assessment
Curated OER

Expressing Geometric Properties with Equations

For Students 9th - 11th Standards
Algebra and geometry are not interchangeable. Demonstrate why not with a series of problems that deal with the equations of circles and equations of lines that meet specific criteria. 
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Worksheet
Curated OER

Area on a Coordinate Grid

For Students 7th - 8th
In this area on a coordinate grid worksheet, students solve and graph 10 different problems on a coordinate grid. First, they determine the area of the given figures in each. Then, students determine the length of each side of the...
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Worksheet
Curated OER

Finding Coordinates on a Grid

For Students 3rd
For this finding coordinates on a grid worksheet, 3rd graders write the name of the shape that corresponds to eight given coordinates.
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Worksheet
Curated OER

Shapes and Coordinates

For Students 2nd - 4th
In this shapes and coordinates worksheet, students identify the shapes that are located and given coordinates on graphs. A reference web site is given for additional activities.
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Worksheet
Curated OER

Shapes and Coordinates Practice

For Students 5th - 6th
In this shapes and coordinates worksheet, students write the name of the shape that corresponds to given coordinates. A reference web site is given for additional activities.
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Worksheet
Curated OER

Quiz: Areas and Coordinate Geometry

For Students 8th - Higher Ed
In this area learning exercise, students find the area of ten figures that are drawn on a coordinate grid. Five of the shapes are triangles. Five shapes are irregular quadrilaterals.
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Worksheet
Curated OER

Plot the x-y Coordinates on the Grids Below

For Students 5th - 7th
In this coordinate grid graphing worksheet, students plot the given points onto each of 6 coordinate grids. All points are located in quadrant 1. One point is plotted on each grid. Answers are given by clicking the appropriate place on...
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Worksheet
Curated OER

Plot the Coordinates

For Students 4th - 6th
In this geometry skills worksheet, students plot the listed coordinates on the provided graphs to create letters of the alphabet.
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Workbook
Utah Education Network (UEN)

Geometry

For Students 6th Standards
Shape one's understanding of geometry using the resource. The sixth of seven chapters in 6th Grade Math focuses on geometry principles. Future mathematicians learn to find the area of parallelograms, trapezoids, triangles, and other...
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Worksheet
Curated OER

Effect of Transformations on Coordinates

For Students 9th - 10th
In this effect of transformations on coordinates worksheet, students determine the coordinates of 4 geometric shapes on a grid after a given transformation.

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