Mathematics discovery
Pythagoras Lab: Choose the small squares that completely cover the big square.
Compose and compare square regions without introducing a formal theorem prematurely.
Counting pieces alone proves two shapes cover the same area even when pieces overlap.
Keep the K-2 goal on composing square area and reserve side-length relationships for later grades.
CCSS.MATH.1.G.A.2 / CCSS.MATH.2.G.A.2
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