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...
Music Theory
Music theory.net: Chord Ear Trainer
This online quiz gives students a chance to recognize triads and seventh chords, by listening to audio clips. Teachers can customize this quiz and print out progress reports.
Music Theory
Music theory.net: Introduction to Chords
A thorough description of chords, roots, and triads. Provides illustrated examples as well as audio clips to supplement this lesson.(You may need to download Flash Player to view this site.)
Music Theory
Music theory.com: Introduction to Chords
A description of augmented and diminished triads/ chords. Provides illustrated examples with highlighted vocabulary words,a printable chart, and audio clips to supplement the lesson.
Texas Instruments
Texas Instruments: Angles Formed by Intersecting Chords, Secants, and Tangents
In this activity, students will investigate properties of angles and arcs formed when chords, secants, and tangents intersect and intercept arcs in a circle. They discover several important theorems concerning circles and arc sizes. They...
Texas Instruments
Texas Instruments: Real Life Real World Avalanche Rescue
When hikers and skiers go into terrain with a risk of avalanches, they take safety equipment including avalanche rescue beacons. An avalanche rescue beacon sends and receives electromagnetic field signals that travel in circular...
Other
The Tonal Center/diatonic Scales
A comprehensive summary of basic music theory. Commentary is thorough yet practical. Information on tonality, chords, scales, cadences, etc. This pages is on diatonic scales.
Other
The Tonal Centre: Tonality
Study the aspects of music tonality with this site. Chords, scales and cadences are all explained as they relate to tonality.
Other
Better Guitar: Chord Basics
An excellent tutorial for learning chords for the guitar. Tells what chords are, chord names, what chord blocks and barre chords are, and how to move chord shapes up the guitar neck to create new chords. Gives examples and pictures that...
Math Planet
Math Planet: Geometry: Advanced Information About Circles
Provides advanced information about circles through the use of examples and a brief video lesson. [1:00]
OpenStax
Open Stax: Catherine Schmidt Jones: Triads
Learn about triads in this well explained lesson. This site explains the root, first inversion and second inversion of the chords. Test your knowledge with several self checking problems.
OpenStax
Open Stax: Catherine Schmidt Jones: Naming Triads
Learn about the various types of triads. This lesson focuses on the chords in root position. Included in this site are a few self checking tests.
Other
Chord Studio
Have fun composing your own music with this easy to use online tool. Select the chords you want your song to have and choose the various instrument styles. You can sign up for a free account so you can save your songs and edit them later.
Varsity Tutors
Varsity Tutors: Hotmath: Graphing Calculator Practice Problems: Circles
Practice using your graphing calculator for drawing circles and for finding measurements for circles and parts of the circle. If you get stumped or if you would like to check your work, then select the View Solution button, which is...
Other
Online Music Theory Reference
This site is essentially an online music theory dictionary or encyclopedia.It teaches about intervals, chords and scales. Online sound clips really enhance site.
BBC
Bbc: Music Theory
This resource presents a fun and interactive way to learn all about the elements of music. It offers links to information, definitions, assessments, and examples of melody, harmony and tonality, structure, tempo, metre and rhythm,...
Other
The Violin Site: Bow Arm Exercises
Many exercises and techniques for the bow arm are explained on this site with the use of music studies and videos. This is a good resource that helps explain the proper techniques for using the bow arm properly.
Other
Article: Learning Tunes Efficiently: Part Two: Chords and Notes
This article deals with another way of how to learn tunes efficiently, that is, by chords and notes.
Math Open Reference
Math Open Reference: Central Angle
A handy reference guide to central angles. It provides definitions, examples, and an interactive activity that enhances further explanation. Includes links to related topics.
Math Open Reference
Math Open Reference: Inscribed Angle
Learn about inscribed angles with this handy reference guide. Provides a detailed definition, examples, and an interactive activity that enhances further explanation. Includes links to related topics.
Math Open Reference
Math Open Reference: Diameter
A complete reference guide to diameters. It provides definitions, examples, and interactive activities that enhance further explanation. Includes links to related topics.
Math Open Reference
Math Open Reference: Segment of a Circle
Learn about the segment of a circle with this handy reference guide. Provides detailed definitions and an interactive activity that enhances further explanation. Includes links to related topics.
Google
Chrome Music Lab
Chrome Music Lab is a website that makes learning music more accessible through fun, hands-on experiments.