Build the 2‑D Shape (2.8A)
Name a polygon with 3 sides and 3 vertices.
Triangle
Which solid rolls and has no flat faces: sphere or rectangular prism?
Sphere
How many sides and vertices does a pentagon have?
Five sides and five vertices.
Which of the following describes a three-dimensional shape with 5 faces, 9 edges, and 6 vertices?
A rectangle
Create a shape description: “a polygon with 4 equal sides and 4 right angles.” What shape is it?
Square
Name a solid that has circular faces and a curved surface.
Cylinder (or cone has one circular face and a curved surface).
Identify a polygon with 10 sides and 10 vertices by name.
Decagon (10 sides, 10 vertices).
Which of the following describe a three-dimensional shape with 5 faces, 9 edges, and 6 vertices?
a. cube
b. cylinder
c. triangular prism
d. rectangular prism
c. triangular prism
What shape can you make with 2 triangles?
A rectangle or square
Describe a polygon with 5 sides and 5 vertices
A pentagon — five sides, five vertices.
List the number of flat faces on a rectangular prism and the number of vertices it has.
Rectangular prism has 6 flat faces and 8 vertices.
A polygon has 12 sides. What is its name and how many vertices does it have?
Dodecagon — 12 sides and 12 vertices.
Which of the following describes a three-dimensional shape with 6 square faces, 12 edges, and 8 vertices?
a. Rectangular Prism
b. Triangular Prism
A rectangle is cut into two equal pieces across the middle. How much of the whole is each piece?
One-half
Give attributes for a polygon with 6 sides and 6 vertices and tell its name.
Hexagon — six sides, six vertices.
Explain one way a cube is a special rectangular prism.
A cube is a rectangular prism with all faces squares (all edges equal).
Classify this description: “a polygon with 7 sides.” What is it called and how many vertices?
Heptagon — seven sides and seven vertices.
Which of the following has exactly 8 edges?
If you divide a square into four equal parts by cutting it in half two times, what shape are the parts?
Squares
Write attributes for a polygon that has 8 sides and 8 vertices and name the polygon.
Octagon — eight sides, eight vertices.
For a triangular prism, name how many faces are triangles, how many total faces, and how many vertices.
Two triangular faces, five total faces, and six vertices.
If a polygon has 9 sides, what is its name and how many vertices does it have?
Nonagon — nine sides and nine vertices.
You have:
2 triangle
3 rectangles
Which of the following 3D shapes can be composed?
a. Rectangular Prism
b. Cube
c. Triangular Prism
d. Cylinder
c. Triangular Prism
Cut a hexagon in half.
What new shapes are made?
2 trapezoids