Tag Archives: PBL

One graph. Ten minutes. An important conversation.

At the beginning of class I showed this to my students: They came up with lots of interesting things. There are three variables They are functions They are different colors The units are millions and years The scale for the … Continue reading

Posted in activity, mathematics, PBL | Tagged , , , | 2 Comments

Example analysis from DeltaMath

With so much problem-based learning happening this year, I’ve been mixing in plenty of algebra by example-esque problems. They work really well because they get kids to analyze math work on their own and then use it to solve a similar … Continue reading

Posted in mathematics, PBL | Tagged , , , | 3 Comments

I didn’t jump off the deep end and my students are better because of it

I’m not proud that I don’t know how to swim. Certainly, its a life skill, like riding a bike, that everyone should be able to do. But I don’t. So about two years ago, I took swimming lessons at my … Continue reading

Posted in reflection | Tagged , , , | 2 Comments

My midyear report card

So my midyear report card results are in. As always, they’re a mixed bag. Here are a few comments directly from the kiddos. First, the good: I like the amount of time we have to explore math in the class. … Continue reading

Posted in PBL, reflection | Tagged , , , , , , , | 2 Comments

Factoring trinomials by first rewriting them

So back in December, I gave this problem to my students: To my surprise, it got a lot of traction with the kiddos. We spent the entire period talking about it. The idea was for them to see how rewriting a … Continue reading

Posted in lesson, mathematics, PBL | Tagged , , , , , | 3 Comments