First steps in understanding scales

Step Patterns

Here you see the steps you need to move to go to the next tone of the scale W = Whole step H = Half step W+H = 1 + ½ step

Example: A major scale
 
Step Patterns   W - W - H - W - W - W - H  
Notes A - B - C# - D - E - F# - G# - A

Step Patterns scales

Formula

Add to the numbers the flats and/or sharps and you get the formula.

Example: A major scale
 
Step Patterns 1 - 2 - 3# - 4 - 5 - 6# - 7# - 8
Notes A - B - C# - D - E - F# - G# - A

Formula