MG 13 – SIDES ON TWO-DIMENSIONAL SHAPES

Children name sides as straight lines that meet at points (vertices).
They use this understanding to name two-dimensional shapes by the number of sides,
identifying that all 3-sided shapes are triangles.
all 4-sided shapes are quadrilaterals,
all 5-sided shapes are pentagons,
all 6-sided shapes are hexagons,
and all 8-sided shapes are octagons.

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