29 Items in Unit
Lesson Planet Curated

#### Geometry Unit 1: Tools for Geometry

For Teachers 9th - 12th Standards
Six resources make up the first unit in the Flipped-Mastery series for geometry. In the first lesson, scholars learn how to identify and name points, lines, and planes. They work with four postulates, then practice the skills for naming...
12 Items in Course
Lesson Planet Curated

#### 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...
Unit Plan
Curated OER

#### 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,...
Worksheet
Mt. San Antonio Collage

#### Postulates, Angles, and Their Relationships

For Students 8th - 11th Standards
More than a worksheet, learners go through geometry topics example by example on the nicely organized handout. From postulates to classifying angles, there are rules and examples provided for each topic. The ten pages of problems provide...
Lesson Plan
Curated OER

#### What Is Hyperbolic Geometry?

For Teachers 9th - 10th
Ninth graders discuss the concept of hyperbolic geometry. They complete Internet geometry activities and write essays comparing and contrasting hyperbolic geometry to Euclidean geometry.
Unit Plan
University of California

#### Euclidean Geometry

For Teachers 9th - 12th
Go back to where it all began! Investigate how axiomatic systems and Euclidean geometry are based on undefined terms, common notions, postulates, and propositions by examining passages from Euclid's Elements. (Social studies teachers...
Instructional Video10:50
2
2
Flipped Math

#### Unit 1 Review: Tools for Geometry

For Students 9th - 12th Standards
Pupils review the vocabulary, formulas, and postulates from the opening unit in Geometry. Individuals use these to solve a problem set that requires learners to apply algebraic skills along with providing reasons within a proof. Scholars...
Instructional Video14:29
2
2
Flipped Math

For Students 9th - 12th Standards
Add a little algebra to the geometry. Class members learn about the Addition Postulate for segments and angles. The pupils use their knowledge of solving equations to find lengths of segments and measures of angles. Individuals apply...
Printables
Virginia Department of Education

#### High School Mathematics Geometry Vocabulary Word Wall Cards

For Teachers 9th - 10th
Having a good working knowledge of math vocabulary is especially important for geometry learners. Here are 119 pages worth of wonderfully constructed definitions, constructions, formulas, properties, theorems, and postulates. This is a...
Lesson Plan
Harvard University

#### The Nouns of Geometry

For Teachers 9th - 12th
Socratic questioning to teach Euclidean geometry? "The Nouns of Geometry," followed by "The Verbs of Geometry," and the misfit, "A Beginner's Story - The Equilateral Triangle" are designed to encourage learners to explore various topics...
Lesson Plan
Curated OER

#### Time Dilation and Geometry

For Teachers 9th - 10th
Students solve problems of dilation and velocity. In this geometry lesson, students apply the Pythagorean Theorem to solve problems and relate it to time and velocity.
Worksheet
Curated OER

#### Standardized Geometry Test Practice

For Students 10th
In this angles, lines and figures review worksheet, 10th graders solve and complete 33 standardized multiple choice problems. First, they use the Segment Addition Postulate to solve for a variable given an equation for each line. Then,...
Instructional Video2:28
CK-12 Foundation

#### Corresponding Angles: Lesson

For Students 9th - 12th Standards
Take a parallel view of correspondence. The resource, part of a playlist on basic geometry, introduces the corresponding angle postulate. By first identifying corresponding angles, the video highlights the relationship between the angle...
Instructional Video21:33
2
2
Flipped Math

#### Points, Lines, and Planes

For Students 9th - 12th Standards
Geometry is more than just vocabulary. Pupils learn the basic geometric definitions and how to identify and name points, lines, and planes. Though the first lesson is packed with related vocabulary, scholars experience four postulates...
Worksheet
Curated OER

#### Logical Relationship of Postulates & Theorems

For Students 10th - 12th
For this postulates and theorems worksheet, students explore a concept map containing information about angles and sides, alternate interior angles, and diagonals of a parallelogram.  They use the concept map to prove theorems dealing...
Lesson Plan
Curated OER

#### Geometry History Lesson

For Teachers 10th
Tenth graders investigate the early history of geometry. In this geometry lesson, 10th graders investigate translations, rotations, and reflections. They also solve problems with line of symmetry and rotational symmetry while reviewing...
Instructional Video4:49
Curated OER

#### How Do You Prove that Two Overlapping Triangles are Congruent?

For Teachers 9th - 11th
Given two overlapping triangles with a congruent angle, a common angle, and a congruent side, a simple proof is shown in this video. Using the ASA (angle-side-angle) postulate, the instructor shows how the two triangles are congruent.
Lesson Plan
Curated OER

#### Geometry Problem Set I

For Teachers 10th - 11th
Students prove angles congruent by use of vertical angles definition, subtraction postulate, and transitivity postulate.
Lesson Plan
Curated OER

#### Congruent Triangles Postulates

For Teachers 3rd - 4th
Young scholars discover three lettered postulates that prove triangles congruent.
Worksheet
Curated OER

#### Collinear Points and the Segment Addition Postulate

For Students 9th - 12th
In this algebra worksheet, students set up equations using the segment addition postulate in order to solve for the variable x. There are 4 questions.
Worksheet
Curated OER

#### If-Then Statements and Postulates

For Students 10th
In this if-then statements and postulates worksheet, 10th graders solve 16 various types of geometry problems that include identifying the hypothesis and conclusions of each conditional statement. Then, they write each conditional...
Worksheet
Curated OER

#### If-Then Statements and Postulates

For Students 10th
In this if-then statements and postulates worksheet, 10th graders solve 6 different problems related to if-then statements and postulates in geometry. First, they identify the hypothesis and conclusion of each conditional statement and...
Worksheet
Curated OER

#### The Premises of Geometry

For Students 9th - 10th
For this geometry worksheet, students solve for missing midpoints, segments and angles using algebraic equations. They use geometric properties to solve these equations. There are 32 questions on 7 different worksheets.
Lesson Plan
Curated OER

#### Similarity and Congruence

For Teachers 9th - 12th
Students explore the concept of similarity and congruence. For this similarity and congruence lesson, students identify and verify whether or not two figures are similar, congruent, or neither. Students use postulates and theorems such...