options: Analyze and compare two- and three-dimensional shapes, in different sizes and orientations, using informal language to describe their similarities, differences, parts (e.g., number of sides and vertices/“corners”) and other attributes (e.g., having sides of equal length).

Compose simple shapes to form larger shapes. For example, “Can you join these two triangles with full sides touching to make a rectangle?”

Model shapes in the world by building shapes from components (e.g., sticks and clay balls) and drawing shapes.
problem_activity: Stage 3: Describe and Find
Required Preparation
Materials to Gather
Geoblocks
Solid shapes

Narrative
Students describe solid shapes so their partner can identify the shape out of a set of 4–6 solid shapes.


correct_option_index: 0