Related Clues:

• First to twelth, e.g.
• Inclined surface
• A as in eggs?
• Skiers' surface
• A- or B+
• Math class calculation
• A, as in eggs
• Degree of tilt
• Do teachers' homework
• Coordinate geometry calculation
• Test score
• Place to ski
• A or 100, e.g.
• Teacher's decision
• A+, for one