Name That Shape
Area of Parallelograms and Triangles
Nets and Surface Area
Vocabulary
Ratios
100
Name the polyhedra.
Rectangular Prism
100
How do I find the area of a parallelogram?
B * H
100
Select all of the nets that can be folded into a rectangular prism.
C
100
_________ is the TOTAL area of all the faces on a 3-d object.
Surface Area
100
What is the ratio of red circles to blue circles?
4 : 6
200
What three-dimensional figure can be assembled from the net?
Square Pyramid
200
How do I find the area of a triangle?
(B * H) divided by 2
200
Select all units that can be used for surface area. Explain why the others cannot be used for surface area.
- square meters
- feet
- centimeters
- cubic inches
- square inches
- square feet
1. Square Meters - 5. Square Inches - 6. Square Feet
200
_________ means “take apart.” We use this word to describe taking a figure apart to make more than one new shape.
Decompose
200
Does it matter which number comes first in a ratio?
Yes! Order matters!
300
Select all the polygons.
A and C
300
Find the area of the triangle. Explain or show your reasoning.
12 square units.
300
Select all units that can be used for VOLUME. Explain why the others cannot be used for volume.
- square meters
- feet
- centimeters
- cubic inches
- square inches
- square feet
4. cubic inches
300
________ is a closed, two-dimensional shape with straight sides that do not cross each other.
Polygon
300
Are these the same ratio?
3 : 8
and
8 : 3
No!
Order matters!
400
Select all the polyhedra.
A,B,D
400
Find the area of the triangle. Explain or show your reasoning.
6 square units.
400
Draw a net for this rectangular prism, label the dimensions correctly.
400
A ____ is a two-dimensional figure that can be folded to make a polyhedron.
Net
400
What ratio would be used for comparing red to blue if the number of circles doubled?
8 : 12
500
Select all triangles that have an area of 8 square units. Explain how you know.
A, B, D, and E.
500
Find the surface area of this polyhedron. Show your reasoning.
72 Square Units
500
A ____________ is a closed 3-dimensional shape with faces, edges and vertices.
Polyhedron
500
Write a ratio and two sentences using ratio language for the number of green curtains in the room to the number of curtains that are NOT green.
3 : 3
For every 3 curtains that are green, there are 3 curtains that are not green.
The ratio of green curtains to curtains that are not green is 3 to 3.