A Mirror to Yourself

This week, I had the chance to sit in on a Grade 7 mathematics class, and it reminded me why I love observing lessons just as much as teaching them.

The topic was the area and perimeter of composite shapes. The teacher began with a quick warm-up. Students sketched the outline of a park combining rectangles, triangles, and semicircles. It was simple, creative, and instantly set the tone for a problem-solving mindset.

What stood out most was the way the teacher balanced structure with freedom. There was a clear learning path, step-by-step guidance, and a checklist for formulas. However, within that framework, students were encouraged to choose their own dimensions, name their park, and even add fun elements like fountains or playgrounds.

I noticed a few things

Student ownership builds engagement. When the task felt “theirs,” they were more invested in solving it.

Quick peer check-ins caught mistakes early and boosted confidence.

Real-world framing matters. Framing the lesson as “designing a park” turned formulas into tools, not hurdles.

I loved how the teacher used a large printed grid map for groups to design and measure together. This can be recreated using a shared Google Jam board or geometry tool for digital collaboration.

As I left the classroom, I thought about how observation is like holding up a mirror to our own practice. You see strategies that inspire you, gaps that challenge you, and small touches you want to borrow.

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