Answer: short term goal
Explanation:
A short-term goal is a goal that an economic agent such as an individual or a fitm wants to achieve or accomplish soon. Short term goals are goal that one wants to achieve maybe today, in a week, in a month or even probably a year.
Since Grayson really wants to get an a on his upcoming math which is coming soon, the goal that he sets to study for twenty minutes every night is referred to as a short term goal.