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### We found 85 resources with the concept chords

Videos (Over 2 Million Educational Videos Available)

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Women's History Activator: Eleanor Roosevelt

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Three-Dimensional Coordinates and the...

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Algebra 50 - Three Variable Systems in the...

Other Resource Types
(85)

EngageNY

#### EngageNY Geometry Module 5: Circles With and Without Coordinates

A comprehensive 21-lesson math unit challenges high schoolers to wrap their heads around the geometry of circles. Building on a prior understanding of similarity and congruence, length and area, and the properties of geometric figures,...

Lesson Planet: Curated OER

#### Circles

Don't circle around the topic, but get right to the center with tons of practice regarding circles in geometry. The note-incorporated instructional activity provides guided practice through many topics such as central angles, inscribed...

Lesson Planet: Curated OER

#### Unit 11 Review: Circles

New ReviewSolve problems around a circle. Pupils watch a video that shows how to apply concepts about circles and related angles and segments to find solutions to word problems. Learners then review the different concepts from the unit in...

Lesson Planet: Curated OER

#### Secants and Tangents

New ReviewPut the vertex in, put the vertex out. Pupils explore theorems about the relationships of lengths of segments and angles of line segments that intersect inside or outside the circle. Learners use the theorems to solve problems involving...

Lesson Planet: Curated OER

#### Chords and Arcs

New ReviewCongruence 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

#### Songs, Sounds and Stories from the Georgia Sea Islands

American music is the result of the influence of many cultures, including the traditions brought by the African slaves. Young scholars study the polyrhythms, the call-and-response format, and the vocal improvisations of the Gullah...

Lesson Planet: Curated OER

#### Segments from Chords: Lesson

Strike a chord length. The section of a larger playlist on geometry introduces the relationship relating lengths of intersecting chords. Using the relationship, the video shows how to find lengths of segments of the chords.

Lesson Planet: Curated OER

#### Angles On and Inside a Circle: Lesson

A video introduces methods to find the measure of angles whose vertex is on and inside a circle. Within examples, the section of a larger playlist on basic geometry incorporates several angle measurement theorems.

Lesson Planet: Curated OER

#### Project-Based Songwriting

Project-based learning in a music theory class? Take note. Young songwriters compose, record, copyright, and promote their original songs. They even design their own CD cover.

Lesson Planet: Curated OER

#### Using Music to Tell a Story or Describe a Scene

Young composers demonstrate their understanding of the stylistic features of descriptive music, including pitch, tempo, dynamics, rhythm, and timbre, by developing a melody and countermelody for a main character in a story. As part of...

Lesson Planet: Curated OER

#### Parts of Circles: Lesson

Start off with the basic parts. The section of a larger playlist covering essential geometry concepts identifies and provides the definitions of the basic parts of a circles. Using drawings, the video illustrates the different parts and...

Lesson Planet: Curated OER

#### Chords in Circles: Lesson

Strike a chord with four theorems. The segment of a playlist on geometry introduces four basic theorems about chords in a circle. Theorems include the relationships between diameters and chords, congruent chords and arcs, and congruent...

Lesson Planet: Curated OER

#### How Do You Find the Center of a Circle?

The center of the circle is the center of attention for the resource. A brief video in the Socratica Geometry playlist shows how to find the center of a circle not on the coordinate plane. The method here is to construct the...

Lesson Planet: Curated OER

#### A Curious Pattern Indeed

1, 2, 4, 8, 16, 31 ... hold it, that does not seem right. The resource presents the pattern of the number of sections created in a circle by connecting ever-increasing numbers of points on the circle. The video points out that the...

Lesson Planet: Curated OER

#### Length of a Chord: Distance Across a Ferris Wheel

An interactive presents two friends on a ferris wheel with the task of finding the distance between the them. Pupils create the chord between the two friends and calculate its lengths using trigonometric ratios.

Lesson Planet: Curated OER

#### Angles, Arcs, and Segments in Circles

Investigate relationships between angles, arcs, and segments in circles. Pupils use geometry software to discover the relationships between angles, arcs, and segments associated with circles. Class members use similar triangles to...

Lesson Planet: Curated OER

#### Quadratic Curve of Best Fit

Class members create a table of the number of chords that can be drawn given the number of points on a circle. Pupils analyze the data created, find a function to fit to it, and use the function to make further predictions.

Lesson Planet: Curated OER

#### Area and Circumference of Circles

Don't go around and around, help your class determine amounts around and in a circle with a video that connects circumference to the perimeter or the distance around an object. The resource includes 14 questions dealing with circles and...

Lesson Planet: Curated OER

#### Intersecting Chords of Circles

Strike a chord with your classes! Use the video to demonstrate the relationship between intersecting chords in a circle. The instructor includes an example that involves a quadratic equation and extraneous solution.

Lesson Planet: Curated OER

#### Arcs and Angles

Noah didn't construct this kind of arc. High school scholars first explore how angles can be formed in circles. They then learn relationships between angles and arcs by conducting an exploratory activity where they position and draw arcs...

EngageNY

#### Geometry Module 5: End-of-Module Assessment

The lessons are complete. Learners take an end-of-module assessment in the last installment of a 23-part module. Questions contain multiple parts, each assessing different aspects of the module.

EngageNY

#### Secant Lines; Secant Lines That Meet Inside a Circle

Young mathematicians identify different cases of intersecting secant lines. They then investigate the case where secant lines meet inside a circle.

EngageNY

#### Geometry Module 5: Mid-Module Assessment

How can you formally assess understanding of circle concepts? Pupils take a mid-module assessment containing five questions, each with multiple parts.

EngageNY

#### Arcs and Chords

You've investigated relationships between chords, radii, and diameters—now it's time for arcs. Learners investigate relationships between arcs and chords. Learners then prove that congruent chords have congruent arcs, congruent arcs have...