Coordinate Geometry Teacher Resources

Find Coordinate Geometry lesson plans and worksheets
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Proof That Geometry Isn't Difficult

For Teachers 8th - 11th Standards
Prove that Geometry can be challenging in a good way with a wide-ranging collection of resources on proofs. The topics focus on the main skills while young mathematicians to think outside the box. 
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Stitching Quilts into Coordinate Geometry

For Students 8th - 11th Standards
Who knew quilting would be so mathematical? Introduce linear equations and graphing while working with the lines of pre-designed quilts. Use the parts of the design to calculate the slope of the linear segments. The project comes with...
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Geometry Project

For Students 9th - 12th Standards
Proofs are usually an intimidating assignment. An engaging lesson focused on geometric proofs may reduce the anxiety! Pupils choose between several triangle proofs to complete and work on completing them. The assignment also gives a...
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Hands On Activities and Projects in Algebra 1, Algebra 2, Geometry, & Personal Finance

For Teachers 9th - 12th Standards
Your learners will enjoy this conglomerate of hands-on activities and projects that can be used in algebra one and two, geometry, and personal finance. Rich in math standards, these projects reach into learners' lives to motivate and...
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Coordinate Geometry Proofs

For Students 10th
In this coordinate geometry worksheet, 10th graders solve and draw 10 different problems related to complete proofs in coordinate geometry. First, they prove that a figure with given points is another figure by using slopes. Then,...
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Proofs Using Coordinate Geometry

For Students 10th - 12th
In this coordinate geometry worksheet, learners determine the coordinates of an unknown vertex. They write a coordinate proof supporting their findings. This four-page worksheet contains examples, explanations, and 8 problems. Answers...
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Proofs in Coordinate Geometry

For Students 10th - 11th
In this coordinate geometry worksheet, students identify the lengths of a quadrilateral and find the slope of a line. They use proofs to identify the characteristics of given quadrilaterals. This one-page worksheet contains ten problems.
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Coordinate Proofs

For Students 8th - 11th Standards
How do you know you know? Prove it! The guide goes through several examples and includes a link to a video to teach learners how to work through coordinate proofs. The goal is to prove that different shapes are indeed that shape. 
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Module 6: Connecting Algebra and Geometry

For Teachers 9th - 12th Standards
A geometry module connects algebraic reasoning to geometry. It challenges scholars to investigate the slope criteria for parallel and perpendicular lines, prove theorems involving coordinate geometry, and write equations for circles and...
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Algebra Project

For Teachers 9th - 12th Standards
What would your dream house look like? A cottage? A medieval castle? High schoolers enrolled in Algebra design the perfect house while using slopes to write equations for various aspects of the project.
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Connecting Algebra and Geometry Through Coordinates

For Teachers 9th - 10th Standards
This unit on connecting algebra and geometry covers a number of topics including worksheets on the distance formula, finding the perimeter and area of polynomials, the slope formula, parallel and perpendicular lines, parallelograms,...
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Coordinate Geometry

For Teachers 4th - 5th Standards
Where do the coordinates lead? As children brainstorm ways to find the location of different buildings, they learn about coordinate points and how to use them to locate areas on a grid or map. They practice using ordered pairs by playing...
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Plane Coordinate Geometry

For Teachers 9th - 10th
Students solve proofs dealing with the coordinate plane. In this geometry lesson, students verify properties of triangles and quadrilaterals.
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Unknown Area Problems on the Coordinate Plane

For Teachers 7th Standards
Scholars determine distances on the coordinate plane to find areas. The lesson begins with a proof of the formula for the area of a parallelogram using the coordinate plane. Pupils use the coordinate plane to determine lengths to...
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Module 6: Congruence, Construction, and Proof

For Teachers 8th - 10th Standards
Trace the links between a variety of math concepts in this far-reaching unit. Ideas that seem very different on the outset (like the distance formula and rigid transformations) come together in very natural and logical ways. This unit...
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Plane Coordinate Geometry

For Teachers 9th - 11th
Young scholars derive the distance formula  using the Pythgorean theorem. In this geometry lesson, students calculate the midpoint formula and use it to find the distance.
3:53
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Coordinates and Shapes

For Students 6th - 11th Standards
Where is the point? Given three points on the coordinate plane, the video walks through the steps to find the location of the fourth point to create a given special quadrilateral. The narrator first determines the coordinates of the...
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Yardwork in Segments

For Students 9th - 12th Standards
Stretch your knowledge of ratios to the coordinate plane. The interactive allows pupils to set the endpoints of a directed line segment and form a right triangle. Using rubber bands, users visualize the line segment divided into equal...
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Scaling the Stars

For Students 9th - 12th Standards
Examine ratio and scale through coordinate geometry. Scholars use two diagrams of different scale to calculate perimeter and area. Then, individuals use the perimeters and areas to find ratios.
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Which Quadrilateral Is It?

For Teachers 9th - 12th
Students prove conjectures about geometric figures on the plane or in space using coordinate geometry. They develop fluency in operations with real numbers, vectors and matrices using mental computation or paper-and-pencil calculations...
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Connecting Algebra and Geometry

For Teachers 9th - 10th Standards
Connect algebra and geometry on the coordinate plane. The eighth unit in a nine-part integrated course has pupils develop the distance formula from the Pythagorean Theorem. Scholars prove geometric theorems using coordinates including...
4:13
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Transformation - Translation: Lesson

For Students 7th - 11th Standards
Develop a prime example of sliding about the coordinate plane. Using figures on the coordinate plane, a segment of an extensive geometry playlist introduces the transformation of translations. The presentation uses coordinate notation to...
5:39
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Transformation - Rotation: Lesson

For Students 7th - 11th Standards
Change places by pivoting the figure. The section of a geometry playlist introduces rotations by making the connection to rotational symmetry. The presentation provides formulas to use with the coordinates when rotating a figure around...
2:27
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Midsegment Theorem: Lesson

For Students 8th - 11th Standards
Use half the length to connect the midpoints. A section of a playlist on geometry introduces the concept of a midsegment of a triangle and how to find it. The video states the properties of the midsegment which make up the Midsegment...
4:13
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Dilation in the Coordinate Plane: Lesson

For Students 8th - 11th Standards
Multiply coordinates to either shrink or enlarge a figure. An informative segment of a geometry playlist introduces dilation on the coordinate plane. The dilations in the resource use the origin as the center of dilation, which makes...
2:15
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Perpendicular Lines in the Coordinate Planes: Lesson

For Students 7th - 10th Standards
Get the slope right with two easy steps. By placing two perpendicular lines on the coordinate plane, the video determines the relationship of the slopes of the two line lines. The resource is a part of an informative and extensive...
3:43
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Finding the Distance Between Two Points: Lesson

For Students 7th - 10th Standards
Point out an application of Pythagoras. The segment of an essential playlist on geometry provides a quick review of the Pythagorean Theorem. Using a right triangle to show the positions of two points, the presenter calculates the...
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Square in Square

For Students 11th - 12th Standards
Challenge the class to devise a method to determine the dimensions of a rectangle inscribed in another rectangle. Pupils make connections between functions and geometry as they examine the area and perimeter of a square or rectangle...
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Midpoints of Sides of a Quadrilateral

For Students 9th - 12th Standards
Verify a figure by using coordinates. Pupils calculate the coordinates of the midpoints of the sides of a quadrilateral. They then use the coordinates to show the resulting figure is a parallelogram. 
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Diagonals of a Rectangle

For Students 9th - 12th Standards
Coordinate the vertices of a rectangle. Pupils use the location of three vertices of a rectangle along the axis to find the coordinates of the fourth vertex. Using the vertices of the rectangle, scholars prove the diagonals are congruent...
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Square

For Students 8th - 12th Standards
Don't be a square! Young mathematicians determine the slope and length of a line segment. They then prove whether four given coordinate points form a square.
5:24
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Midpoints and Segment Bisectors: Lesson

For Students 6th - 10th Standards
Let's meet in the middle. As part of a comprehensive playlist on basic geometry, the video introduces the definitions of a midpoint and segment bisector. The resource shows a graphical approach to finding the midpoint of a line segment...
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Outbreak: Infection Detection

For Teachers 6th - 9th
Explore the mathematics of infection outbreaks with activities that ask learners to use coordinate grids to locate infected patients. They calculate amounts of ingredients for antidotes and determine which groups of people should be...
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Mission: Rainforest

For Teachers 6th - 9th
Young environmentally conscious mathematicians solve a variety of problems related to the central theme of uncovering illegal logging activities. They determine a base camp based on given constraints, investigate logging activities and...
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Periemters, Areas, and Slopes--Oh, My!

For Teachers 10th
Tenth graders explore analytic geometry.  In this geometry instructional activity, 10th graders use analytic geometry to investigate the attributes of geometric figures.  Students investigate the slopes of lines and the length of line...
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Mapping Natural Disasters

For Teachers 9th - 12th
Learners use Cartesian coordinates to plot current natural disasters. They relate location of natural disasters to their specific major project countries. Students tie in geometry within this lesson as connected to spatial relationships...
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The Geometric Effect of Some Complex Arithmetic 1

For Teachers 11th - 12th Standards
Translating complex numbers is as simple as adding 1, 2, 3. In the ninth lesson plan in a 32-part series, the class takes a deeper look at the geometric effect of adding and subtracting complex numbers. The resource leads pupils into...
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Math Handbook: Trigonometry

For Students 9th - 12th Standards
You'll be spinning in unit circles once you read through this jumbo-sized resource of everything you need to know about trigonometry. Each page has color-coded examples with explicit directions that detail the problems and formulas. 
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Leaping Lizards

For Teachers 8th - 10th Standards
Have you ever wondered how computer animations work and what type of math is involved in making objects move across the screen? In this task, your young computer animators will use the geometric transformation of translations,...
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There's Gold in Them There Hills

For Teachers 8th - 11th Standards
Need to build a laser fence on Mars?  In this cute maximizing-area lesson plan, young explorers pretend to be prospectors on Mars and must determine the best way to use 20 meters of fencing in order to maximize their area. In addition,...
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Discovering Planet X

For Teachers 3rd - 5th
Students investigate the movements of the planet Pluto. Students participate in a hands-on activity to record data similar to the movements of the planet Pluto. Students compare their data to that found on a website.
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Architecture And Math

For Teachers 7th - 8th
Young scholars investigate the ties that architecture and math have in common. They focus on works of architecture in the world that is considered of great significance. Students use the internet to find building images from around the...
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Line 'Em Up!

For Teachers 3rd - 5th
Students find coordinate points on a grid and create a line graph with those points. This lesson should ideally be used during a unit on various types of graphs. They make and use coordinate systems to specify locations and to describe...
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Movies: How did they do that?

For Teachers 7th - 10th
Learners study how coordinates in space are used to produce special effects in movies. They locate a point in space, and then use the distance and midpoint formulas to find points in space.
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Geometry: Mountain Rescue Mission

For Teachers 5th
Fifth graders improve their skills using map coordinates by playing a mountain rescue game. In pairs, they roll dice to determine their moves up a mountain. The team that reaches the rescue site in the shortest distance on the grid...
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Match My Masterpiece

For Teachers 5th
Fifth graders plot out points on grid paper which correspond with the ordered pairs they are given. If done correctly, the points form a word.
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The Capacity of Planets

For Teachers 10th
Tenth graders change numbers written in standard form to scientific notation. In this scientific notation lesson, 10th graders use given diameters and distances from the sun for each planet in our solar system. After rewriting each of...
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Where Are We?

For Teachers 9th - 12th
Learners use Cartesian coordinates or degrees of latitude and longitude to locate important locations within their specific countries. They Use a grid to apply the concept of latitude and longitude, or positive and negative Cartesian...
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Properties of Parallelograms

For Teachers 9th - 11th
Students identify different properties of parallelograms. In this geometry instructional activity, students complete problems that proves the theorems and properties of parallelograms. They graph the different shapes on paper.
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Area and Reflection

For Teachers 9th - 11th
Young scholars calculate the area and perform translations. In this geometry instructional activity, students identify and solve simple equations to calculate the are of a rectangle. They relate algebra and geometry together as they...
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The Unit Circles

For Teachers 9th - 10th
Students use the unit circle to solve problems. In this geometry lesson, students identify missing sides and angles using the unit circle. They identify trig ratios using the unit circle.
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Investigating Pythagorean Triples

For Teachers 9th - 10th
Students investigate and solve Pythagorean triples. In this geometry instructional activity, students find the missing sides and angles of a right triangle. They graph right triangles and move the sides around to create different angles.
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Investigating the Pythagorean Triples

For Teachers 9th - 10th
Learners investigate the Pythagorean triples. In this geometry lesson, students solve for different parts of a right triangle. They identify the missing side or angle using the pythagorean theorem.
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Conic Sections and Locii

For Teachers 9th - 11th
Learners differentiate between ellipse and hyperbola. In this algebra lesson, students graph and solve elliptical equations. They use the cabri program to create the different conics and move them around.
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Exploring Angle Pair Relationships

For Teachers 9th - 11th
Students investigate the relationship between angles of triangles. In this geometry lesson, students identify properties of right and non-right triangles. They differentiate between vertical and supplementary angles.
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Exploring Angle/Pair Relationships

For Teachers 7th - 10th
Learners find missing angles and sides of triangles. In this geometry lesson plan, students create intersecting lines to measure angles. They use Cabri Software to create virtual angles.
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Discovering The Ratio Pi And The Diameter

For Teachers 9th - 10th
Students relate the ratio of Pi to the diameter of a circle. In this geometry lesson, students investigate the relationship of the chord of the circle the the number Pi. They define ration, chord, circumference and diameter and find...
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Technology Integrated Lesson

For Teachers 8th - 10th
Students investigate symmetry in the real world. For this geometry lesson, students inter-relate math and technology. They create and name a variety of polygons.
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Compound Locus

For Teachers 7th - 10th
Students investigate circles and compound locus. In this geometry instructional activity, students identify the distance from a point to a line. They use Cabri software to create lines and circles.
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Repeat That Please

For Teachers 9th - 12th
Students examine the real-world applications of angles and their measures. They use a three-dimensional model that relates to various careers, and determine angle measures, coordinate points, and distance between coordinate points.
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Where in the World?

For Teachers 10th - 12th
Pupils explore how GPS works, the mathematics behind the technology, and how GPS is used. They find positions in one and two dimensions, and participate in a WebQuest that explores how math is used to find a location on Earth using GPS.