2D Shapes

The standards below belong to one grade level. Which standards belong to one grade level? Select all that apply.

• Classify and sort 3D solids, including spheres, cones, cylinders, rectangular prisms (including cubes as special rectangular prisms), and triangular prisms, based on attributes using formal geometric language

• Compose 2D shapes and 3D solids with given properties or attributes

• Decompose two dimensional shapes such as cutting out a square from a rectangle, dividing a shape in half, or partitioning a rectangle into identical triangles and identify the resulting geometric figure

• Classify and sort 2D and 3D figures, including cones, cylinders, spheres, triangular and rectangular prisms, and cubes, based on attributes using formal geometric language

Name this shape.

• triangle

• quadrilateral

• pentagon

• hexagon

These 5-sided shapes are called _____.

• triangles

• quadrilaterals

• pentagons

• hexagons

These 3-sided shapes are called _____.

• triangles

• quadrilaterals

• pentagons

• hexagons

What are the attributes?

• 6 sides and 6 vertices

• 5 lines and 5 corners

• yellow

This shape has 0 sides and 0 vertices.

• a. defining

• b. non- defining

What are the attributes?

• pink

• 3 lines and 4 points

• 4 sides and 4 vertices

These 6-sided shapes are called _____.

• triangles

• quadrilaterals

• pentagons

• hexagons

Name this shape.

• pentagon

• quadrilateral

• hexagon

• octagon

Name this shape.

• pentagon

• quadrilateral

• hexagon

• octagon