Unit Plan
Charanga

Sing!

For Teachers K - 12th
Whether new to the Kodály Method of music instruction or an experienced veteran, you'll find much to make your heart sing in a teacher guide that was designed for a music appreciation project. 
Worksheet
Music Teaching Resources

Note Naming Worksheet 1

For Students 3rd - 6th
Can you name this note? Young musicians are asked to name each of the notes pictured on a music worksheet and then to place these notes on a staff.
Website
Other

Alien Travel Guide: Elements of Music the Basics

For Students 3rd - 8th
Fine site created for Canadian schools devoted to basic elements of music, including pitch, acoustics, time signatures, keys, and rhythm.
Interactive
Music Theory

Music theory.net: Key Signature Calculation

For Students 9th - 10th
An explanation of key signature calculation for advanced music students. Discusses the use of sharps and flats in music composition, with illustrated examples. (You may need to download Flash player to view this site.)
Interactive
Music Theory

Music theory.net: Steps and Accidentals

For Students 9th - 10th
Provides an explanation of half steps, whole steps, flats, and sharps. Illustrated examples accompany these definitions.
Unit Plan
BBC

Bbc: Music Theory

For Students 9th - 10th
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,...
Website
Other

The Basics of Reading Music

For Students 9th - 10th
This site is an overview of how to read music. The basics of notation such as note and rest values, the names of lines and spaces of both treble and bass clefs, etc. are covered. Includes downloadable audio files.
Article
Other

Music Theory First Aid for Struggling Students

For Students 9th - 10th
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.