* TEACH ABACUS TO STUDENTS OF VARIOUS AGE GROUPS AND SKILL LEVELS * ASSESS STUDENT PROGRESS AND POVIDE FEEDBACK * MAINTAIN A POSITIVE AND SUPPORTIVE LEARNING ENVIRONMENT
* TEACH ABACUS TO STUDENTS OF VARIOUS AGE GROUPS AND SKILL LEVELS * ASSESS STUDENT PROGRESS AND POVIDE FEEDBACK * MAINTAIN A POSITIVE AND SUPPORTIVE LEARNING ENVIRONMENT