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A motivating activity is coupled with the use of algebra to explore the process for identifying the value of an angle. Somehow, it feels like a bit like magic when Sal shows the solution for the final problem. Also, it would be...
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...
Providing an exploration of parallel lines, this resource requires students to not only practice calculations, but also to analyze angles. By asking viewers to decide whether two lines are parallel based upon the information given, this...
While exploring the concept of transversals, Sal discusses corresponding angles, congruent angles, and opposite/vertical angles. He provides a thorough summation of these mathematical concepts. It is the first installment in a series...

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### We found 301 resources with the concept congruence

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Other Resource Types
(301)

Lesson Planet: Curated OER

#### Flipped Math: Geometry

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...

Lesson Planet: Curated OER

#### Geometry Unit 4: Triangle Congruence

The Geometry Unit 4: Triangle Congruence unit module contains five lessonsâ€”each with a video, teacher reference, practice packets, solutions, and corrective assignments. To begin, scholars review the types of triangles, then investigate...

Lesson Planet: Curated OER

#### Geometry Unit 1: Tools for Geometry

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...

Lesson Planet: Curated OER

#### Mathematics Vision Project: Interactive Applets

Ready, set, go! The Mathematics Vision Project provides a collection of 10 Interactive Applets that follow the progression of learningâ€”to practice, develop, and solidify understanding. The interactives use engaging materials that include...

Lesson Planet: Curated OER

#### Utah Middle School Math Project: 8th Grade

Prepare eighth graders for high school math and science classes with a collection of 10 lessons that help tweens make the transition from acquiring basic knowledge to applying it in more complex situations. These Common Core-aligned...

Lesson Planet: Curated OER

#### Grade 8, Claim 2 & 4: Problem Solving & Communication Reasoning Supports

Prepare eighth-graders for the Smarter Balanced Assessment with a small but powerful collection of three resources comprised of teacher and student-friendly slides that review key concepts in the eighth grade standards. Claim 2 focuses...

Lesson Planet: Curated OER

#### Partitioning a Hexagon

The task at hand is to partition a hexagon into two, four, and eight congruent figures. Make sure to give your wizards a sheet of triangle grid paper on which to decompose the hexagons. Have them explain which rotations, reflections, or...

Lesson Planet: Curated OER

#### The Angle Game

A motivating activity is coupled with the use of algebra to explore the process for identifying the value of an angle. Somehow, it feels like a bit like magic when Sal shows the solution for the final problem. Also, it would be...

Lesson Planet: Curated OER

#### Area of Diagonal Generated Triangles of Rectangle are Equal

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...

Lesson Planet: Curated OER

#### Angles of Parallel Lines 2

Providing an exploration of parallel lines, this resource requires students to not only practice calculations, but also to analyze angles. By asking viewers to decide whether two lines are parallel based upon the information given, this...

Lesson Planet: Curated OER

#### Angles Formed Between Transversals and Parallel Lines

While exploring the concept of transversals, Sal discusses corresponding angles, congruent angles, and opposite/vertical angles. He provides a thorough summation of these mathematical concepts. It is the first installment in a series...

Lesson Planet: Curated OER

#### The Angle Game

Lesson Planet: Curated OER

#### Area of Diagonal Generated Triangles of Rectangle are Equal

Lesson Planet: Curated OER

#### Angles of Parallel Lines 2

Lesson Planet: Curated OER

#### Angles Formed Between Transversals and Parallel Lines

Lesson Planet: Curated OER

#### SAT Prep: Test 7 Section 8 Part 2

Continuing his SAT review session, Sal explores problems with slopes, linear equations, and congruent angles. He begins problem 10 (geometry) but finishes the problem in the next video.

Lesson Planet: Curated OER

#### SAT Prep: Test 7 Section 5 Part 5

Sal completes problem 20 from this session of the practice SAT (page 796). He draws the parallelogram necessary for solving the problem, and spends a good amount of time explaining the process and method behind the answer. This video is...

Lesson Planet: Curated OER

#### Escher-Esque Tessellations

Middle and high schoolers participate in a seven-part lesson creating Escher-Esque tessellations. They demonstrate their knowledge of geometric transformations after viewing a PowerPoint presentation, conducting Internet research, and...

Lesson Planet: Curated OER

#### Visualizing and Naming Polygons

A really useful resource contains 116 slides covering basic geometric concepts related to 2-D or plane shapes. Shape properties, translations, reflections, congruence, symmetry, and grid work are all laid out in a comprehensive and...

Lesson Planet: Curated OER

#### Chords and Arcs

Congruence breeds congruence. Pupils learn three more circle theorems dealing with congruent chords and arcs. Learners use the theorems to find the measures of chords and arcs in circles by applying previously learned concepts in the...

Lesson Planet: Curated OER

#### AAS and ASA

Sometimes one knows more about angles than about sides. Young mathematicians learn about the AAS and ASA triangle congruence criteria by watching an informative video. They use these shortcuts to demonstrate triangle congruence in...

Lesson Planet: Curated OER

#### Unit 4 Review: Triangle Congruence

It's time to prove one's knowledge of triangle congruence proofs. Scholars watch a video to review triangle classifications and how to use properties of triangles to set up and solve equations for missing values. They also review the...

Lesson Planet: Curated OER

#### CPCTC and HL Theorem

The resource is sure to be a right fit for introducing the congruence of right triangles. The fourth of five lessons in the Geometry - Triangle Congruence unit teaches pupils how to use CPCTC to prove congruent parts. They also apply the...

Lesson Planet: Curated OER

#### SSS and SAS

Why use six corresponding parts when three will suffice? The second of five lessons in the Geometry - Triangle Congruence unit focuses on the SSS and SAS triangle congruence criteria. By watching a video, scholars learn how to identify...