Here's a math lesson plan to see if students understand how to use area and estimation in their everyday lives. I got this idea from a sample question from an old TIMSS test (I think that's where I got it. It was a long time ago.). This lesson helps make thinking visible.
STEP 2
STEP 3 Have them use Explain Everything to explain how they calculated the estimated area of the Island. Explain everything is a great tool to help make "thinking visible". Students will:
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