An argument for the whole reflection
Verify a compound design through cell-by-cell correspondence. Explore a model, explain the relationship, and try it with physical materials.
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Verify a compound design through cell-by-cell correspondence. Explore a model, explain the relationship, and try it with physical materials.
Distinguish counting pieces from measuring unit-square area. Explore a model, explain the relationship, and try it with physical materials.
Compose one outline in different ways and begin describing reflection as equal distance from a line.