We have been exploring this by putting expressions on either side of this symbol, and proving that they are equal. We also have worked to show that expressions with different operations can be equivalent to one another...
19 - 7 = 6 + 6
We have also worked with the notion that a statement can be equivalent...
12 - 4 = Dave had a dozen donuts, and on the car ride from Winooski to East Montpelier he ate 4, so now he has 8 donuts.
Today we moved to having students use their power of inquiry to fill in possible answers to the following equivalencies...
This was an enlightening experience as students worked in small groups to create some equivalencies, and we quickly saw that there were many possibilities for each one.
-Dave
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