“So Rhema, let’s review. There are certain principles or rules in math that are known as properties. What did we learn about these properties? They are…?”


“Yes. Do you remember the name of one of the properties?”


“You’re right. That’s the one that says no matter the order of the addends the sum is always the same. What’s another addition property?”


“Yes. That’s the grouping one that says (a+b)+c = a+(b+c). Right? As you said, these properties are always true. Can you think of anything else that is always true?”


3 thoughts on “Arithmetic

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