Grade 1 Geometry worksheets
Naming common shapes and counting their sides and corners.
- Name the shape
Related standards: 1.G.A.1
- Count the sides
Related standards: 1.G.A.1
- Count the corners
Related standards: 1.G.A.1
How the skills build
Name the shape comes first, with trapezoid and hexagon joining at higher levels. Counting sides and counting corners follow. The word corners is used here, and vertices arrives in Grade 2.
Using these worksheets
- Review
After a shape-hunt lesson, print one sheet as a quick check of vocabulary and counting.
Related standards
- 1.G.A.1: Distinguish defining attributes of shapes (e.g. number of sides) from non-defining ones.
Common Core–informed practice; not a claim of official alignment.