Question Video: Identifying 3D Shapes That Stack, Slide, or Roll

Which group does this shape belong to? [A] Can Stack [B] Cannot Stack.

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Video Transcript

Which group does this shape belong to? Can stack or cannot stack.

Shapes that can stack are shapes that you can place one on top of the other without the tower that you’ve built falling over. For example, we could stack these rectangular prisms on top of each other and they wouldn’t fall over. But we can’t stack these shapes on top of each other because they would just fall over.

We could stack our shape on top of each other lots of times to make a very tall tower and it still wouldn’t fall over. So our shape belongs to this group because it can stack.

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