🔢Math Easy
1st Grade Geometry: 2D Shapes and Their Sides
Name each 2D shape and tell how many sides and corners it has.
1st Grade 12 min
✓ Answer key
1st Grade · Math
1st Grade Geometry Worksheets
Reviewed by ClassReady Editorial Team Last updated August 2026
Before this skill
- Recognizing basic shapes
- 2D shapes (square, circle, triangle)
- Counting objects to 10
Common mistakes to watch for
- Confusing a square and a rectangle
- Miscounting corners
- Confusing a 2D shape (square) with a 3D shape (cube)
- Mixing up cone and cylinder
Take the full lesson
Learn geometry step by step with worked examples and practice exercises — no PDF required.
Filter:
🔢Math Easy
3D Shapes Worksheet
3D shapes are solid — you can hold them. Learn cubes, spheres, cones, cylinders, and boxes.
1st Grade 12 min
✓ Answer key
Suggested Practice Sequence
Related Skills
Frequently Asked Questions
What do 1st Grade students practice with geometry?
Students will name common 2D shapes and count their sides and corners (vertices).
Are these worksheets free and printable?
Yes — every worksheet is a free, printable PDF with an answer key. No sign-up required.