NY Next Generation Math NY-1.G.1
The Standard
Distinguish between defining attributes versus non-defining attributes for a wide variety of shapes. Build and/or draw shapes to possess defining attributes.
New York State Next Generation Mathematics Learning Standards
Teacher's field guide
What This Standard Means
What Students Need to Do
- Students decide which features determine a shape's name and which features can change. They use those defining features to draw or build examples.
What Mastery Looks Like
- A student identifies a triangle even when it is narrow, tilted, or a different color. The student can build another triangle with three straight sides and a closed boundary.
Common Misconceptions
- Students may treat color, size, or direction as part of a shape's identity. They may also accept an open figure or a figure with a curved side because it resembles a familiar shape.
How to Assess It
- Show four varied figures and ask the student to circle every triangle, explain why one nonexample fails, and draw a new triangle.
Lesson moves
Ways to Teach It
Give students craft sticks and yarn to build closed shapes, then change colors and sizes while keeping each shape's defining features.
Ask, "Could a tall, skinny shape still be a triangle? Which features would prove your answer?"
Play a shape-sort game with rotated examples and near-misses, requiring a reason before each card is placed.
Photograph windows, signs, and floor tiles around school, then label the features that determine each shape's name.
Free download
Printable NY-1.G.1 Worksheet
A ready-to-print activity worksheet aligned to NY-1.G.1, with an answer key for the teacher on its own page. No account needed.
PDF, US Letter, prints cleanly in black and white.
Download the worksheetKeep exploring
Related Standards
Turn this exact standard into a lesson
Grade, subject, topic, and the complete standard are prefilled. Create one free, no account needed.
Also for this standard:Make a WorksheetMake a QuizMake a Sub Lesson