Geometry All Standards - First Grade Common Core Math Worksheets
34 worksheets covering all first grade common core geometry standards.
Reason with shapes and their attributes.
CCSS.MATH.CONTENT.1.G.A.1
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.
CCSS.MATH.CONTENT.1.G.A.2
Compose two-dimensional shapes (rectangles, squares, t