Author Archives: Dave aka Mr. Math Teacher

About Dave aka Mr. Math Teacher

Secondary math teacher teaching math intervention, algebra 1, honors precalculus, and AP Calculus AB. I spent 25 years in high tech in engineering, marketing, sales and business development roles in the satellite communications, GPS, semiconductor, and wireless industries. I am awed by the potential in our nation's youth and I hope to instill in them the passion to improve our world at local, state, national, and global levels.

Trapped in an Echo Chamber

Student outcomes in honors precalculus first semester significantly exceeded those from last year while my AP Calculus AB cohort is on track, once again, to blow out the national average pass rate on the AP Exam.  Yet, my reputation continues to … Continue reading

Posted in Mathematical Proficiency, Pedagogy | Tagged , , , , | 4 Comments

An Algorithm for Assigning End-of-Semester Letter Grades

Assigning mandated end-of-semester letter grades to students is non-trivial. [1]  I refuse to constrain myself to a simple, cumulative percent score that automatically sets my students’ grades.  In my opinion, the accuracy as well as the precision implied in many quantitatively represented scores grossly … Continue reading

Posted in Assessments, Mathematical Proficiency | Tagged , , , | 2 Comments

Law of Cosines: An Honors Precalculus Assessment Question

Background Last semester, I formally assessed my honors precalculus students via summative assessments fourteen times: ten quizzes, three tests, and one final exam.  Informal formative assessments occurred frequently and varied over time.  Formal formative assessments occurred once to twice weekly … Continue reading

Posted in Assessments, Mathematical Proficiency | Tagged , , , , | 1 Comment