CAS with Unit Rates

The Computer Algebra System (CAS) enables students to investigate unit rates, opening up a world of options because the device recognizes words as variables. Teachers can actually enter “one cup…

Trig Ratios

How do your students experience learning right triangle trigonometry? How do you introduce sine, cosine, and tangent ratios to them? NCTM’s Principles to Actions includes build procedural fluency from conceptual…