Monday, September 5, 2011

Addition Properties

My class is learning about the 3 properties of addition: Commutative, Associative and Identity.
I made up a worksheet to review what these big 'ol words mean. For commutative I discuss the meaning of the word "commute" or change. I also call it the flip flop rule. You can change the position of the numbers but the answer stays the same.  For associative rule I relate it to talking in a group (associate). It doesn't matter who you talk to first.  The identity rule is the easiest which is the zero rule.  Grab your copy of the property worksheet here. I also have a set of task cards for the properties too.






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