2D or 3D
Is the drawing 2D or 3D?
2D (two measurements of length and width)
How many edges does the drawing have?
4
Name the prism.
Rectangular prism
What is the radius of this circle?
2 units
Define "perimeter"
The distance around a 2D shape.
Is a Hexagon 2D or 3D?
2D
How many faces does a cube have?
6
Is this 3D object a prism?
No (there are no two faces opposite each other that are the exact same)
If a circle has diameter 14 inches, what is the measurement for the its radius?
7 inches
True or false: The perimeter for this shape is 6 m.
True.
A cube is ...
3D (three measurements: length, width, height)
True or false: a cylinder has only 2 faces.
False
What is the name of a prism with a triangle base?
Triangular prism
State the formula for calculating circumference.
2(pi)r = (pi)d
What is the term used to describe the perimeter of a circle?
Circumference
Name four 2D shapes.
Square, triangle, circle, rectangle, hexagon, pentagon, octagon, etc.
Define the term "face" of a 3D object.
The flat or curved surface of a 3D object.
What is the name for a rectangular prism where length, width, and height are the same size/measurement?
Cube
Define "circumference"
The distance around a circle (perimeter of the circle).
Calculate the perimeter of the shape in the drawing.
16 cm
Name three types of 3D objects.
cube, rectangular prism, triangular prism, cylinder, sphere, pyramid, cone
What 3D object has 12 edges and 6 faces?
rectangular prism (or cube)
What is the height of the following prism?
6 ft
Calculate the circumference of a circle with a diameter of 6 cm.
2(pi)r = 2(pi)(3) = 18.84955 cm
Mr. Macfarlane wants to build a small rectangular fence enclosure for his ducks. He wants the length to be 12 meters and the width to be 7 meters. How much fence material would he need to make the enclosure?
12+12+7+7 = 38 meters