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Several years ago, I created this trigonometry calculator skills pop quiz to give to my Pre-Calculus students before we learn to use our calculators for evaluating trig functions. Students tend to think that these calculator-based problems are super easy and that they don’t need to be taught how to type trig functions into their calculator. …

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I created The Great Quadrant Guessing Game several years ago to give my Pre-Calculus students some extra practice determining which quadrant of the coordinate plane was represented by two trigonometric facts. The Great Quadrant Guessing Game For example, in which quadrant is the sine of an angle positive while the cosine of the same angle …

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I created this odd one out activity to give my pre-calculus students extra practice identifying coterminal angles. In this activity, students were placed in groups of 4. Each group was given a set of four angle cards. Three of the angles are coterminal angles (meaning they share the same terminal side when sketched in standard …

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I really like the simplicity of this One or Negative One? Trig Identities Task that I found in the 8th Edition of Demana and Waits’ Pre-Calculus Textbook (Section 5.1). That’s why I decided to turn it into a worksheet! Trig identities are one of my favorite topics to teach in Pre-Calculus. To me, they are …

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I love teaching conic sections, so I was super-excited to discover a set of instructions online for building a cone to help students visualize the four different types of conic sections. This made the perfect addition to our last unit of the year in Pre-Calculus – conics! Conics used to be a topic I taught …

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