Today we looked at another kind of pattern...odd and even numbers. We started with "grab bags" of objects. Students counted and sorted the objects in pairs of two. If there was an object leftover, then we knew that number was odd. If the objects could all be put in pairs, we knew that number was even. Some of our observations were that "The even numbers are just like skip-counting by twos" and "Every other number is even. Every other number is odd!"
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