Saturday, September 26, 2015

Molding an Understanding of the Properties

Eye's went wide.

"What?! Playdoh!"

"No way!"

There was a sense of joy. A swapping of colors. I looked at each of my four groups of students and said, "You got four minutes to build whatever you want." It was a great warm up for what was to come. Anything from pancakes to elephants. Kids spelling out their names or making sculptures of themselves.  Creativity abound. In hindsight, the pancakes were probably failed something elses.

When the four minutes was up, I gave the kids a few examples of the Identity Property of Addition (3 + 0 = 3 and h + 0 = h). "What does identity mean?" Hands shot up to tell me it is who you are. "How does that relate here?" Hands again, the number wants to stay the same. Yes! 

"Great, now I want you to make your own version of the identity property using whatever you can create as your variable. Go!"

There was a moment of blinking as the wheels turned. Every class struggled for a few seconds to grasp exactly what I meant. Then, BOOM, magic. Again, amazing amounts of creativity, only this time it was being filtered through math. It was awesome.

We repeated this process with the Identity Property of Multiplication (8 x 1 = 8 and t x 1 = t). Now there was a bit more confidence. The students made some amazing things (displayed below). Then we compared the two different properties identifying similarities and differences. Students discussed it at their tables, wrote out an answer, and then shared what they came up with. It was a great lesson. A couple weeks removed, I can also say that it had a lasting effect. Students have taken two assessments since then and have done very well with the properties questions. Score one for creativity. Enjoy the pictures.


OOOOOOHHHH!


Bowties are cool.


No buddy suspects a thing. Can't pass up an OctoDad reference.


Slowly, slowly, slowly says the snail.


In eye popping 3D!


And last, do you wanna build a snowman?

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