Mr Grammatica Has Made a Pointed Effort to Gauge Students

Multiple Choice

Mr. Grammatica has made a pointed effort to gauge students' prior knowledge of how to calculate percentages. He has had the repeated experience of students holding onto prior schemes despite their inaccuracy. So on the first day of class he passes around a worksheet to gauge their understanding. Which effective strategy of mathematics instruction is Mr. Grammatica focusing on?

A) Making math realistic
B) Considering students' prior knowledge
C) Making math activities social
D) Incorporating innovative programs