Exploring Equality and Composing Numbers

I’ve been working with my Firsties on the following TEK: 1.2(A) recognize instantly the quantity of structured arrangements Although it is not mentioned in the TEK, the mathematical word for this skill is subitizing. The dot patterns on dice and dominoes are...
What Do You Notice?

What Do You Notice?

On my reading list right now is Connecting Arithmetic to Algebra, and I have to admit I’m only on Chapter 1. Not because it’s not a great read, but because Stephen King is winning the reading wars at this point. Anyway, Chapter 1 is about generalizing in...

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