Geometry in a Bag

Materials: various 3-D geometrical figures, paper lunch bags, poster with pictures/names of figuresPlace one 3-D figure in each lunch bag. Fold over the tops. Have a child reach inside without looking and describe what they feel (“I feel twelve corners and six sides”). Have them guess the name of the figure by comparing what they feel to the pictures on the poster. Have them feel, describe and name each figure in each bag. For older children, introduce appropriate geometrical vocabulary (“I feel twelve vertices and eight faces”).

geometric solid figures


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