Pick a major scale and starting note. An easy one to begin with is the C major scale, starting on middle C.
Sing the first note, which is Do. The hand sign for Do is a fist at your waist.
Place your hand at a 45-degree angle upward, fingers together, palm down. Sing the second note, which is Re.
Make your hand flat, parallel to the floor, palm down. Sing the third note, which is Mi.
Form the hand sign for Fa, a simple thumbs-down gesture, at about chest level. Sing the fourth note, which is Fa.
Put your fingers together, palm toward you, parallel to your body and perpendicular to the floor. Sing the fifth note, which is So.
Form your hand into an upside down C, with a slight break in the wrist. Sing the sixth note, which is La.
Make a pointer finger, pointed up at a 45-degree angle. Sing the seventh note, which is Ti.
Repeat the hand sign for Do (a fist), but it will be at eye level instead of waist level. Sing the eighth and final note, which is the high Do.