middle school | Reason and Wonder

The Date Game

As is often the case when a school year winds down, a few ideas have crept into my head that I wish I’d have thought of eight months earlier. Things are winding down quickly at my school (seniors are done with classes; junior high wraps up this Friday; and high school next Friday), so I’ll share this here in case it’s …

What Can You Do, Now?

The other day in Math B (mostly 8th graders) we spent a decent chunk of class time working on something rather boring. But somewhere in that boringness, something awesome happened. I had prepared two related, but non-identical handouts, each with ten problems related to CCSS.8.F.04. Prior to class, I decided I would use the first handout as source material for a few examples and …

New Lesson: Charge!

Last summer I sat next to a power outlet for more than two hours, taking screenshots of my plugged-in-and-charging cell phone once every four minutes for nearly 2.5 hours. The result? A linear modeling task with a nice twist near the end. I’ve presented the lesson in a variety of workshop settings (each time it was well received), but this week marks the first time I used …

Visual Patterns + Error Analysis

Most of the work my students do with Visual Patterns occurs in small groups, where collaboration not only is encouraged, but often required. Today I steered things in a slightly different direction. I wanted to see what students were capable of on their own. No peer discussion. No Desmos. I was particularly interested to see whether they could write an equation to describe the relationship they see …

Match My Line • Create Your Own

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Last month I shared Match My Line and Match My Parabola, a pair of Desmos-driven challenges (rather, sets of challenges). They’ve quickly become two of my favorite ways to build or deepen graphical understanding, whether working with middle school students or older kids (who “should know this stuff” but commonly do not). I brought a do-it-yourself extension of the “Match My Line” challenges to Math B a couple …

Visual Patterns… Now What?!

If the response to my post from Tuesday is any indication, people on the Internet Machine love Fawn Nguyen’s Visual Patterns. Let’s say you’re one of these folks, and your students are now rocking this sweet set of challenges. Now what?! Well, for one thing, don’t stop! These are rich enough problems to keep bringing them before your students. (In fact, the real fun begins when …

“Everybody stand up…”

Sometimes the saying “better to be lucky than good” applies to teaching as well. Today I stumbled across a new routine by little more than blind luck. Inspired by the sleepy looks on several faces, I interrupted my middle school class with a shout: “Everybody stand up! Head to the back of the room. Make a circle around those two tables.” At this point, I had no …

Everybody and their Mother Loves the MTBoS

That post title may be a bit of a stretch. But I know this much is true: I love the mathtwitterblogosphere, and I know my mother thinks it’s pretty swell also. A little background… My mom teachers middle school math, just a few miles from where I do. When I started out teaching, she was my go-to resource for teaching questions (especially classroom management). I’ve …

The (New) Running Game

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Background A little over a year ago I created a set of Nike+ Running-themed proportional reasoning challenges for my middle school students. The idea originated as a failed attempt at a Three Act task, and eventually turned in to a somewhat-useful website (proportionplay.com). You can read more about the project here. Even after using these problems occasionally throughout last year, and also in various teacher workshop …

Desmos: Dot Capture Game

I created a silly little game for my Algebra 1 students several weeks ago. The motivation? Five-fold! We’re a little weak with graphing lines. Some open-ended, Desmos-driven, instant-feedback style practice may help. Domain and range? Yeah, not so much. Inequalities? Haven’t done them justice. Yet. (Growth mindset, baby!) Vertex form for quadratics? Still struggling. We tried Des-man a few days before this game …

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