2.1 Pitch, Clefs, and Intervals: Aural Training exercises
Step 1) Listen to the string of ten half-step and whole-step and up or down three-note patterns, each is played twice. Sing along with each the second time it is played (pause the recording before proceeding to the next one).
Step 2) For all ten three-note patterns, mark whether it consists of an ascending or descending whole- or half-step.