Identifying Shapes
Which 3D solid has 0 faces, 0 edges, and 0 vertices?
A. cube
B. sphere
C. cone
B. sphere
How many sides does a pentagon have?
A. 6
B. 5
C. 8
B. 5
What is the definition of a polygon?
A. A 3D solid with more than 6 faces.
B. A 2D shape with straight, closed lines and no curves.
C. A 2D with curved lines and vertices.
B. A 2D shape with straight, closed lines and no curves.
Why can the polygons shown be sorted into the same group? Explain your thinking.
They all have more than 4 sides
OR
They all have more than 4 vertices.
What shape has 4 sides and 4 vertices?
A. quadrilateral
B. triangle
C. octagon
A. quadrilateral
How many faces does a cube have?
A. 4
B. 6
C. 8
B. 6
What is the definition of a vertex/vertices?
A. The surface of a shape.
B. The corners or points of a shape.
C. The sides of a shape.
B. The corners or points of a shape.
Why can the solids shown be sorted into the same group? Explain your thinking.
They both have 0 edges.
OR
They both have 0 vertices.
I traced around the bottom of a cylinder. What shape did I draw?
A. square
B. triangle
C. circle
C. circle
How many vertices does a pentagon have?
A. 5 vertices
B. 4 vertices
C. 6 vertices
B. 5 vertices
The faces of a 3D shape are...
A. the corners or points on the shape.
B. where the flat surfaces come together.
C. the flat surfaces of the shape.
C. the flat surfaces of the shape.
Why can the polygons shown be sorted into the same group? Explain your thinking.
They all have 4 sides, they all have 4 vertices, they are all quadrilaterals.
If I folded a square in half (hamburger style), what two new shapes can I make?
A. 2 rectangles
B. 2 triangles
C. 2 squares
A. 2 rectangles
Which 3D solid has more than 10 edges?
A. Square pyramid
B. Cylinder
C. Rectangular prism
C. Rectangular prism
What is the definition of a prism?
A. A 3D shape with two identical bases and straight lines connecting the bases.
B. A 3D shapes with all square bases and no curves.
C. A 2D shape with curved lines and no vertices.
A. A 3D shape with two identical bases and straight lines connecting the bases.
Why can the solids shown be sorted into the same group? Explain your thinking.
They both have 5 faces.
OR
Some of their faces are triangles.
Which 3D solid has 5 faces, 9 edges, and 6 vertices?
A. rectangular prism
B. triangular prism
C. cylinder
B. triangular prism
Which shapes have more than 4 vertices?
A. Pentagon and square
B. Hexagon and octagon
C. Quadrilateral and triangle
B. Hexagon and octagon
For 2D shapes, we count the s____ to help name the shape.
For 3D shapes, we count the e____ to help name the shape.
For 2D shapes, we count the sides to help name the shape.
For 3D shapes, we count the edges to help name the shape.
Why can the shapes shown be sorted into the same group? Explain your thinking.
They are not polygons.