Activities, Google Slides, Polygons

Exploring Interior & Exterior Angles of Polygons

I've always had my students draw in the lines and explore the interior and exterior angles of a polygon, but they struggle with drawing the lines. Many students try to draw lines from every angle to every other angle and you end up with a spiderweb mess. We also spend so much time on the… Continue reading Exploring Interior & Exterior Angles of Polygons

Activities, Math Art, Thinking Questions, Transformations

Creative Critical Thinking

I love to create in the math classroom. It's a great way to connect with students who may not LOVE math but love to create. However, I want the projects we create to enhance their understanding of math, and not just end up an art lesson. This project, with the addition of a critical thinking… Continue reading Creative Critical Thinking

Activities, Math Art, Stop Motion, Tessellations, Transformations


What do you do at the end of the year when students have already turned in their laptops? Tessellations. This was a great review of transformations and students were able to show their creativity. We learned how to make tessellations that translate, rotate, and reflect and then students could choose which 2 of the 3… Continue reading Tessellations

Activities, Application, Geometry, Google Slides, Trig

Student Created Trig Word Problems

For the last 9 years, I've had students do a Trig project where they use handmade clinometers to measure the height of an object taller than they are. I love this project because it shows the application of Trig and guides students through a thought process to solve this type of problem. This year I… Continue reading Student Created Trig Word Problems

BreakoutEDU, Triangle Congruence

Triangle Congruence Breakout

I love Breakout games and watching students interact with each other to solve problems. What I don't like about physical breakout games is students missing out on some of the puzzles. The collaboration is great, but when using it as a review, not all students experience the same things. Digital breakouts can be done in… Continue reading Triangle Congruence Breakout

Activities, Geometry, Stop Motion, Triangle Congruence

Stop Motion Triangle Congruence

Triangle congruence is coming up soon. I've always done some kind of activity where students construct triangles and discover which ones are congruent.¬† One activity is Road Kill Cafe shared with me by @craigklement. I'm not sure where it originally came from, sorry. Below is another construction activity we have done very similar to Road… Continue reading Stop Motion Triangle Congruence

Activities, Constructions, Geometry, Math Art

Geometric Jack

I created this project my first year of teaching (we won't talk about how long ago that was). It used to be a teacher-guided¬†activity, but with the use of technology, it's now a perseverance activity that meets the Geometry construction standards for constructing an equilateral triangle and regular hexagon. We also have a discussion about… Continue reading Geometric Jack