So you want to explain a music theory concept simply and then give your student an exercise to help reenforce the point. Enter the website musictheory.net. This is a fabulous resource for teachers and students alike. Best of all it’s free!
Here are a series of diagrams laid out logically with little animations to explain various topics of music theory. Although there is accompanying text for self-study, these resources are flexible enough for a music teacher to give their own customised commentary. Using the forward and back arrows, it is easy to navigate through the presentations.
This has definitely been a very useful area of the website for my students over the years. There are a great many exercises to test theory concepts. What I’ve appreciated about the design of these tests is that there is no time pressure, which is helpful for allowing some thinking time to the student grappling with a new concept. The best thing about this area is, right towards the bottom of the list, under the heading “FOR TEACHERS” is a page called “Exercise Customizer.” Here you can go to town very easily perfecting the test for the individual needs of your student and then you can copy and paste the unique link to share with them via email or another messaging service. Some of the tests are generic to all instruments and others are specific to keyboards and guitars.
There are some handy utilities under this section like “Tempo Tapper” which very quickly analyses the speed of your tapping and generates a metronome figure in beats per minute. This is useful for discreetly working out how fast or slow a student is playing their piece compared with what tempo it should be. “Staff Paper Generator” quickly produces manuscript paper you can print for free. “Pop-up Piano” is useful to play or mark notes on a virtual piano keyboard.
The man who has provided this wonderful website for free, helps fund the project from the sales of his two apps for iPhone, iPad and iPod touch. One is called “Theory Lessons” and the other “Tenuto” which are basically enhanced and offline versions of his website materials. The quality of these two apps is outstanding and make a nice progression if you wish to support his work.
This website is a gem of a find and infinitely useful. If you haven’t already done so, I would strongly recommend you take a look at musictheory.net