In ms. chapman's math class, students who take a classroom assessment receive scores of either "mastered" or "not mastered" in four different areas: addition, subtraction, multiplication, and division. what type of scores is ms. chapman using

This type of grading system is called the Criterion-reference scoring system. This type of uses test scores to create a statement about the behaviour that can be expected of a person with that score. In this case the statements used by Ms. Chapman to describe her students are either "Mastered" or "Not mastered".

Answer: Criterion-referenced scores