I asked my 15-year-old what she learned today at school. She paused for a moment and then answered, “What did *you* learn at school today?”

It took me a while to think about what I had learned (which will make me more patient when I ask her again tomorrow), and then I remembered and shared with her:We are working with some teachers who are using the *Illustrative Mathematics 6–8 Math* curriculum. The 7th grade teachers are in Unit 1, Scale Drawings. They are working with scale drawings and maps. Today I learned to look more closely at the scale given for a map.

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