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192 reviewed resources for coordinate geometry proofs

7 Items in Collection
Lesson Planet

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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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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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,...
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...
1 In 1 Collection
Lesson Planet

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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Proofs in Coordinate Geometry

For Students 10th - 11th
In this coordinate geometry activity, 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 activity contains ten problems.
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Proofs Using Coordinate Geometry

For Students 10th - 12th
For this coordinate geometry worksheet, students 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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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...
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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. 
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...
1 In 1 Collection
EngageNY

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...
3:42
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Parallel Lines in the Coordinate Plane: Lesson

For Students 8th - 10th Standards
Discover the parallel structure of parallel lines. Provided with two parallel lines on a coordinate plane, the presenter shows that the rise and run, or slope, of the two lines are the same. The resource, which is a portion of a larger...
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Circles in the Coordinate Plane

For Teachers 9th - 11th Standards
Make the connection between the distance formula and the equation of a circle. The teacher presents a lesson on how to use the distance formula to derive the equation of the circle. Pupils transform circles on the coordinate plane and...
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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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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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Analytic Geometry Study Guide

For Students 9th - 12th Standards
Are you looking for a comprehensive review that addresses the Common Core standards for geometry? This is it! Instruction and practice problems built specifically for standards are included. The material includes geometry topics from...
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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.
4:28
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Classifying Quadrilaterals in the Coordinate Plane: Lesson

For Students 8th - 11th Standards
Coordinate the classification of quadrilaterals. Given the definitions of special quadrilaterals, a portion of a geometry playlist highlights ways to classify a quadrilateral. The video takes information from figures on a coordinate...
5:29
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Slope in the Coordinate Plane: Lesson

For Students 7th - 10th Standards
Rise and run to find slope. Given a graph of a line, the presentation shows how to find the slope by determining the rise and the run. The resource, part of an extensive geometry playlist, reveals the four basic slopes of lines.
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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...
1 In 1 Collection
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Similar Triangles

For Teachers 9th - 11th Standards
Proving triangles are similar is often an exercise in applying one of the many theorems young geometers memorize, like the AA similarity criteria. But proving that the criteria themselves are valid from basic principles is a great...
3:10
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Two-Column Proofs: Lesson

For Students 9th - 12th
Why is it a two-column proof? A video introduces the class to the concept of a two-column proof and how to set one up. The segment of a playlist on basic geometry highlights the types of reasons that can be in a proof.
5:24
Lesson Planet

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...