In Brief: 
Each student chooses a do re mi card to decide the sequence for a theory class recital. Highest pitch goes first and then so on in order.
Decipher the correct order of do re mi
Prerequisite Concepts: 
Do Re Mi
Teacher's Role: 
Fan out cards for students to choose with their eyes closed (since they know the rainbow colors). Help students since the pitches in order when the cards are laid out on the rug.