Distinguish between defining attributes (e.g., triangles are closed and three-sided) versus non-defining attributes (e.g., color, orientation, overall size); for a wide variety of shapes; build and draw shapes to possess defining attributes.
Standard Type
Michigan State Math StandardsRelated Lessons

1st Grade
Solid Shapes
Lesson 401
Join Mrs. Markavich for a number talk with Abracus as we work on compensation. We'll sort, describe and create solid shapes.

1st Grade
Sort Flat Shapes
Lesson 402
Join Mrs. Markavich for a number talk with Abracus as we work on compensation. We'll sort flat shapes and create a data display to represent our sort.

1st Grade
Triangles, Rectangles and Squares
Lesson 403
Join Mrs. Markavich for a number talk with D.C. as we work on decomposing and composing to make a 10. We'll also explore what makes a shape a triangle, a rectangle, or a square.

1st Grade
Sort and Name Shapes
Lesson 307
Join Mrs. McCartney for some fun with Professor Barble doing a tricky comparison word problem. Next, we are going to explore triangles, quadrilaterals, pentagons, hexagons by sorting and naming a variety of shapes.