Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Chord
Find a quick, concise explanation of a chord. Examples are illustrated and explained.
Texas Instruments
Texas Instruments: Chords, Secants, and Tangents
Learners construct chords, secants, and tangents. From those constructions, they develop a deeper understanding of the terms, as well as explore certain properties of the constructions.
Texas Instruments
Texas Instruments: Segments Formed by Intersecting Chords, Secants, and Tangents
This activity is designed to help learners discover several important theorems concerning lengths of segments formed by intersecting chords, secants, and tangents.
Texas Instruments
Texas Instruments: Cabri Jr. Tangent to a Chord
This activity uses Cabri Jr. to discover that the angle between a tangent and a chord is equal to the inscribed angle on the opposite side of the chord.
Texas Instruments
Texas Instruments: Evaluating the Products of Chords of a Circle
In this activity, the students will investigate if two chords intersect in a circle, then the products of the measures of the segments of the chords are equal.
3D Toad
3 D toad.com: Learn Beginning Guitar Chords
Gallery of images of basic guitar chords and their associated finger positions on the guitar fretboard. Each image can be enlarged and viewed from multiple angles.
Mangahigh
Mangahigh: Shape: Radius and Chord Rule for Circles
Test your knowledge of radius and chord rules for circles.
CK-12 Foundation
Ck 12: Segments From Chords
[Free Registration/Login Required] Students will move points to create a midpoint on a chord. Click 'Challenge Me' to answer a practice question.
Other
Chord House: Guitar Room (Easy)
Create and play a variety of chords in this virtual guitar room.
Other
Chord House: Guitar Room (Advanced)
Create and play a variety of chords in this virtual advanced-level guitar room.
Toby Rush
Music Theory: Diatonic Common Chord Modulation [Pdf]
A music theory worksheet regarding diatonic common chord modulation. Requires Adobe Reader [PDF].
San Diego State University
Strike a Chord
This card game is for boys and girls who have a minimum of one-year of musical-keyboard training. The goal of the game is to organize keyboard musical-note representations into appropriate chord formations and state the name of the chord...
Toby Rush
Music Theory: Augmented Sixth Chords [Pdf]
A music theory worksheet regarding augmented sixth chords. Requires Adobe Reader [PDF].
Toby Rush
Music Theory: Borrowed Chords [Pdf]
A music theory worksheet regarding borrowed chords. Requires Adobe Reader [PDF].
Toby Rush
Music Theory: Altered Chords [Pdf]
A music theory worksheet regarding altered chords. Requires Adobe Reader [PDF].
Toby Rush
Music Theory: Diatonic Common Chord Modulation [Pdf]
A music theory worksheet regarding diatonic common chord modulation.
Government of Alberta
Learn Alberta: Math Interactives: Exploring Circle Geometry Properties
Investigate circles, namely their angles, chords, and tangents using this highly interactive Learn Alberta math. Explore a number of circle geometry properties that can be used to determine unknowns. Be sure to follow the link to the...
Other
Structural Chord Progressions
When composing music, it is good to be sure you have the right set of chords surrounding your melody. This column provides a brief overview on how to begin to think of chord structures for your songs.
Open Curriculum
Open Curriculum: Beyond Triads: Naming Other Chords
To explain how to name common chords based on the relationship to the tonic of the note in the chord
Open Curriculum
Open Curriculum: Introduction to Chords
To understand the concepts of chords and the different types of chords
Other
Music: Chords/tabs
This site offers the chord/tab instructions for playing a multitude of songs. The songs are listed on the first page. By clicking on the song, the chords will then be displayed in an easy-to-follow format.
Toby Rush
Music Theory: Diatonic Seventh Chords [Pdf]
A music theory worksheet regarding diatonic seventh chords. Requires Adobe Reader [PDF].
Blackdog Media
Classic Reader: "The Missing Chord" by O. Henry
Text of the short story "The Missing Chord" by O. Henry. (Free site registration offers some additional features, e.g., the ability to insert annotations.)
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