standard_description: Distinguish between defining attributes (e.g., triangles are closed and three-sided) versus non-defining attributes (e.g., color, orientation, overall size); build and draw shapes to possess defining attributes.
problem_activity: Stage 2: Subtract within 10
Required Preparation
Materials to Gather
Colored pencils or crayons
Number cards 0–10
Materials to Copy
Blackline Masters
Capture Squares Stage 2 Gameboard

Narrative
Students choose two cards and find the difference.


aligns: no