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Mystery Bag with 3-D Geometric Figures

geometry · identifying 3-D shapes by attributes

Students feel a 3-D geometric figure inside a mystery bag, describe it, and others guess the figure being described.

Mystery Bag with 3-D Geometric Figures is a Grade 3 geometry activity where students identify solids by touch and description. One student feels a hidden 3D figure inside a bag and describes attributes such as faces and vertices while classmates try to determine the shape. The mystery format makes geometric vocabulary necessary for communicating what cannot be seen.

Use it in a small group when students are learning to describe three-dimensional figures by attributes instead of relying only on appearance. Ask students to include enough detail to distinguish similar solids. Create a free Find a Math Game account to generate teacher-ready lesson support for Mystery Bag with 3-D Geometric Figures. No credit card is required, and the free account includes 3 lesson generations for life.

Grades:
3
Classroom use:
small group

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