Other
Music Theory First Aid for Struggling Students
This site provides music theory information on such topics as rhythm, intervals, scales, chords, etc. Also, there is a fine section which describes the basic concepts of form and structure.
Music Theory
Music theory.net
An online beginning music theory and ear training site. This site is for students to use at home to reinforce what they learn in class.
Other
Tone Savvy: E Music Theory
This site provides good online learning games and exercises for music theory. It also has a lot of options for teachers if they choose to subscribe.
Other
Tone Savvy
You will find many free games that will help you develop your music theory knowledge. Learn rhythmic dictation, key signatures and intervals as well as several other topics concerning music theory.
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,...
Toby Rush
Music Theory: Imperfect Intervals [Pdf]
A music theory worksheet regarding imperfect intervals.
Toby Rush
Music Theory: Perfect Intervals [Pdf]
A music theory worksheet regarding perfect intervals.
Toby Rush
Music Theory: Diatonic Intervals [Pdf]
A music theory worksheet regarding diatonic intervals and their relationship to pitch.
Open Curriculum
Open Curriculum: Interval
To explain the concept of intervals and how to distinguish and classify the various intervals
Open Curriculum
Open Curriculum: Harmonic Series: Harmonics, Intervals, and Instruments
To demonstrate how the harmonic series can illustrate the relationship between frequency and interval and the harmonic series
Other
Ruby Cliff Computing: Learn Guitar Theory With Virtualoso Guitar
This is a fantastic site that teaches basic music reading, especially as related to the guitar. Although the site is a promotional software site, the trial version is excellent by itself.
Open Curriculum
Open Curriculum: Minor Keys and Scales
To discuss the interval patter of minor scales and their difference from major scales