Geometric Proof Teacher Resources

Find Geometric Proof lesson plans and worksheets
Showing 124 resources
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20 Items in Unit Module
Lesson Planet: Curated OER

Geometry Unit 2: Reasoning and Proof

For Teachers 9th - 12th Standards
The four lessons in the Geometry Unit 2 module are all about reasoning and proof. In the first lesson pupils watch a video introducing conditional statements and their related statements. Learners find out how to identify the hypothesis...
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12 Items in Course Folder
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Flipped Math: Geometry

For Students 9th - 12th Standards
Imagine taking a complete geometry course remotely! Eleven units make up the My Geometry course. Each unit follows the Flipped-Mastery cycle of learning, divided into two semesters. Pupils watch and take notes on a video that details the...
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36 Items in Unit Module
EngageNY

EngageNY Geometry Module 2: Similarity, Proof, and Trigonometry

For Teachers 9th - 12th Standards
The Geometry Module 2: Similarity, Proof, and Trigonometry collection includes 36 lessons that are divided into five topics: Scale Drawings, Dilations, Similarity and Dilations, Applying Similarity to Right Triangles, and Trigonometry....
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35 Items in Unit Module
Lesson Planet: Curated OER

Geometry Unit 3: Parallel and Perpendicular Lines

For Teachers 9th - 12th Standards
The Geometry Unit 3: Parallel and Perpendicular Lines Unit Module contains seven lessons, each with a video, teacher reference, practice packets and solutions, and corrective assignments. In the first lesson, pupils learn eight...
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36 Items in Unit Module
Lesson Planet: Curated OER

EngageNY Geometry Module 1: Congruence, Proof, and Constructions

For Teachers 9th - 12th Standards
The 36 lessons in the Geometry Module 1 collection address transformations in teaching geometry brought on by Common Core. The focus here is on transformations and the relationships between transformations and congruence. Teacher...
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5 Items in Curriculum Set
EngageNY

EngageNY Algebra I Curriculum

For Teachers 9th - 12th Standards
The Algebra 1 curriculum set is designed to help scholars develop fluency in writing, interpreting, and solving linear equations, The 30 lessons in Module 1 are divided into four topics: An Introduction to Functions, the Structure of...
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24 Items in Unit Module
Lesson Planet: Curated OER

Geometry Unit 4: Triangle Congruence

For Teachers 9th - 12th Standards
The Geometry Unit 4: Triangle Congruence unit module contains five lessons—each with a video, teacher reference, practice packets, solutions, and corrective assignments. To begin, scholars review the types of triangles, then investigate...
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30 Items in Unit Module
EngageNY

EngageNY Algebra I Module 1: Relationships Between Quantities and Reasoning with Equations and Their Graphs

For Teachers 9th - 12th Standards
The Algebra 1, Module 1 collection is designed to help students develop fluency in writing, interpreting, and solving linear equations The 30 lessons are divided into four topics: An Introduction to Functions , the Structure of...
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20 Items in Unit Module
Lesson Planet: Curated OER

Geometry Unit 6: Similar Figures

For Teachers 9th - 12th Standards
Similar figures are the topic of Geometry Unit 6. Each of the four resources in the unit module contains a video, teacher reference, practice packets, solutions, and corrective assignments. In the first lesson, pupils learn the...
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42 Items in Unit Module
EngageNY

EngageNY Algebra II Module 1: Polynomial, Rational, and Radical Relationships

For Teachers 9th - 12th Standards
The 42 lessons in the Algebra II Module 1 collection are divided into four topics: Polynomials--From Base Ten to Base X, Factoring-- Its Use and Its Obstacles, Solving and Applying Equations—Polynomial, Rational and Radical, and A...
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37 Items in Unit Module
Lesson Planet: Curated OER

Geometry Unit 5: Quadrilaterals and Polygons

For Students 9th - 12th Standards
One's knowledge of angles should measure up to expectations. Scholars watch a video to learn about angles in polygons. They first see how to partition a polygon into triangles to find the sum of the interior angle measures. They then...
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Lesson Planet: Curated OER

Reasons for Geometric Statement/Reason Proofs

For Students 8th - 11th Standards
Stuck trying to remember the formal language of a geometric proof? Never fear, this handout has them all ready to go. The reasons are sectioned by topic so this handy guide is ready when you are to tackle those two column proofs. 
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15:15
Lesson Planet: Curated OER

Triangle Medians and Centroids (2D Proof)

For Students 9th - 10th
After addressing the terminology used with medians and centroids of triangles in the first part of this series, the instructor shows how to solve this type of problem. He illustrates the concepts by using a high-level problem....
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9:00
Lesson Planet: Curated OER

Triangle Medians and Centroids

For Students 9th - 10th
The terminology used in geometry, including such words as centroid and median are discussed in this video. Through this lecture, young mathematicians can see a visual representation both median and centroid. Also, a proof showing how to...
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4:38
Lesson Planet: Curated OER

Rhombus Diagonals

For Students 9th - 10th
Delving into a proof that the diagonals of a rhombus are perpendicular to each other, this lecture evaluates the angles and sides of this figure. It would serve as a great test preparation activity.
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9:00
Lesson Planet: Curated OER

Triangle Medians and Centroids

For Students 9th - 10th
The terminology used in geometry, including such words as centroid and median are discussed in this video. Through this lecture, young mathematicians can see a visual representation both median and centroid. Also, a proof showing how to...
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4:36
Lesson Planet: Curated OER

Area of Diagonal Generated Triangles of Rectangle are Equal

For Students 9th - 10th
Finding the area of each of the triangles that are created by drawing two diagonal lines through a rectangle is explored in this lecture. It provides a detailed explanation of how to use a formula to solve the given problem. Tip: Use...
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4:36
Lesson Planet: Curated OER

Area of Diagonal Generated Triangles of Rectangle are Equal

For Students 9th - 10th
Finding the area of each of the triangles that are created by drawing two diagonal lines through a rectangle is explored in this lecture. It provides a detailed explanation of how to use a formula to solve the given problem. Tip: Use...
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11:39
Lesson Planet: Curated OER

Area of Inscribed Equilateral Triangle (some basic trig used)

For Students 9th - 12th
Delving into basic trigonometry, this resource shows how to find the area of an inscribed equilateral triangle. Using a high-level problem, HeronÕs theorem is used to find the area of a figure. Prior to SAT testing, use this as a review.
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1 In 1 Collection
Lesson Planet: Curated OER

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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2 In 2 Collections 6:57
Lesson Planet: Curated OER

Unit 2 Review: Reasoning and Proofs

For Students 9th - 12th Standards
The proof is in the review. Individuals watch a short review of the content from the unit to prepare for the unit exam. The review covers inductive reasoning, conditional and related statements, and two-column algebraic and geometric...
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Lesson Planet: Curated OER

Parallel Lines Proofs Practice

For Students 8th - 11th Standards
Here is a worksheet that lines up perfectly with the skills needed to finish a geometric proof. Eleven problems are given to see if learners can prove that lines are parallel or angles are congruent. 
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1 In 1 Collection
Lesson Planet: Curated OER

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...
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Lesson Planet: Curated OER

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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