Dividing a 2-digit number by the sum of its digits

Three very different visual solutions were shared in response to a problem about dividing 2-digit numbers.

Facilitator(s): Sophie and Kevin
Date of Meeting: March 24, 2020
Problem: pdf

This was our first online meeting (made necessary by the COVID-19 outbreak). It was a great distraction and made it possible for Adult Numeracy Network friends to join us from the Hudson Valley, Massachusetts, and Wisconsin. Our meetings for the next few months will almost certainly be online, so join us if you’re able.

The problem for this meeting came from Math with Bad Drawings and @mathsjem before that:

Sophie and Kevin led us in an exploration.

Then they asked us what we noticed and wondered.

Here are the notes from our discussion:

If you weren’t at the meeting and want to explore the problem, we might suggest that you…

You can also watch a full recording of the online meeting below:

In Attendance: Amy, Audrey, Eric, Jun, Kevin, Maya, Nicolas, Patricia, Sarah, Sophie, Tim, Usha

Programs Represented: ACCESS/District 79, Adult Numeracy Network, Brooklyn Library, CUNY Adult Literacy PD team, CUNY Start, Julia Robinson Mathematics Festival

Respectfully submitted by Eric.


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