Intermediate Unit: Division is multiplication’s first cousin and light through the pinhole

Intermediate math is continuing to explore division, and how it relates to multiplication. Some of us have begun to look at problems when we don’t end up with an even amount- there is a fraction or remainder left over. We explored with Versatiles and Fact Family Games again, increasing the level of difficulty. We also had fun personalizing some “Division Stories” (essentially math mad-libs that I made for the class). These ended up to be very fun—and funny!

In our further exploration of lenses and mirrors, intermediate students built pinhole viewers. These allow the students to view light after it travels through a pinhole. Since light travels in straight lines, the image projected after it travels through the pinhole is much different than you may expect—ask your student to share this with you! It’s a lot of fun.

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