This Week at Global Math Department

This Week at Global Math Department

Edited By Brian Bushart @bstockus

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Online Professional Development Sessions

Teaching Ideas to Prepare Your Students for the AP Stats Exam
Presented by Amy Hogan (@alittlestats), Doug Tyson (@tyson_doug), and Bob Lochel (@bobloch)

AP Readers Amy Hogan, Bob Lochel and Doug Tyson will review three of the questions from the free response portion of the AP Statistics exam from 2016. Ideas related to avoiding common errors and practical teaching tips will be shared.

To join the meeting when it starts at 9pm Eastern (or RSVP if it’s before 9pm), click here.

Last week at Global Math, Linda Dacey showed us how to unleash the power of math games and puzzles in grades K-5. Click here to watch.

It Came From the #MTBoS

I have really smart friends.

(Photo credit to Dan Meyer @ddmeyer

This week, my good friend Jennifer Silverman (@jensilvermath) shared this article by Tom Vander Ark (@tvanderark) about Open Up Resources, a non-profit company that is building and collecting  “high quality open standards-aligned math curriculum.” Jennifer happens to be one of the people (along with Kate Nowak @k8nowak of Illustrative Math) involved in the design of these materials, which can only mean that it will involve THE most gorgeous GeoGebra activities, and it will be amazing.

Another good friend, Mary Bourassa (@marybourassa) blogged about her tweaking of a Desmos activity that had threaded its way from Andrew Stadel to Nathan Kraft, to her. I especially love reading posts about designing and implementing these activities. I find looking at the activity alone doesn’t always give me a big picture – what the goal is, how the kids reacted, and ideas for improvements. Also, I noticed that Mary made sure to “close”, which is something that came up at this summer’s TMC during Tracy Johnston Zager’s (@TracyZager) keynote. #ISeeWhatYouDidThere Mary!

Written by Audrey McLaren (@a_mcsquared)

Geometry Shouldn’t Be “Plug and Chug”

The numerous posts I’ve seen recently about geometry concepts reminded me of a conversation I had with a teacher last year. The teacher expressed he didn’t need to teach his students the concepts of volume and area, they only needed to know how to “plug” numbers into the given formula and calculate.  There are few things teachers say about instructional practices which appall me, but that day, I was appalled. Why rob students of understanding when you can challenge their thinking with activities like these?

@wheeler_laura shared her 4-part lesson on similar triangles in this post allowing inquiry and review of students’ prior knowledge of triangles. Technology was woven into the lesson as well. By the time students arrived at the procedural fluency component, they had an understanding of why they were multiplying to find the unknown sides.

Dane Ehlert causes you to pause and think about how you’re helping students make sense of triangle theorems with this post and this post.  

And during a time when people are using the catch phrase “Don’t be basic” @lisabej_manitou provides what she calls quality basic stuff.  Her students taken a concrete look at quadrilaterals and make connections from background knowledge to current and future knowledge. And although it seems basic to her, the purpose of bringing out students’ misconceptions and understandings is huge.

New goal, help that 7th grade teacher see his connection to the geometry understanding students will need in 10th grade.

Written by Jenise Sexton (@MrsJeniseSexton)

Maze Runner

I tell my colleagues all the time that all I have to do is hop on Twitter for 10 minutes, and I’m liable to have emailed myself 2 or 3 or 15 links to great resources I want to check out. On a recent visit to Twitter, I came across another fantastic Steve Wyborney (@SteveWyborney) creation.

The man who loves to create and share unique resources just dropped the Maze Hundred Chart – an interactive Powerpoint where all the numbers on the hundred chart are hidden. You (or your students!) have the power to create “mazes” on the chart and use the relationships within the chart to name the numbers that aren’t showing. He even wrote a follow up post called “Strategies for Using the Maze Hundred Chart” to give you some ideas of how to use this clever tool.

If you’re new to Steve Wyborney, be sure to check out his math imposter sets, cube connectors, and massive space to notice resources. You’ll be happy you did!

Written by Brian Bushart (@bstockus)

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