Hello, my name is Stephanie. I am a student teacher this semester in the third grade. I was looking at our math competencies and saw that we needed to teach the identity property. Is this the same as the distributive property? If not, what is it?
Thanks a lot!
Elementary level question
The crucial property of an identity for some operation is that if you have a number, and operate on it by an identity, then the result is the number you started with.
If the operation is addition then the identity is the number 0 because for any number a,
Another example is clock addition. Think of a clock face with one hand pointing at 4. To add 5 in clock addition you move the hand ahead 5 hours and see that the hand is pointing at 9. Thus
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