What's the formula?
Apply that formula!
What's that shape?
Nets, Nets, Nets
Surface area? Never heard of it
100
What does b and h stand for in a formula?
Base and height
100
If the base of a rectangle is base of 3 apples and height of 4 apples, what is the area?
12 apples squared
100
What shape has 4 sides that are all equal length?
Square
100
What is the name for the pattern that shows the different faces of a 3D shape flattened out?
Net
100
What is surface area?
The amount of space that covers a 3D shape.
200
What is the formula for a square or rectangle?
a=bxh
200
If a triangle has a base of 5m and a height of 6m, what is the area?
15m2
200
A three dimensional object with straight lines or vertices, built by many Polygons
Polyhedron
200
What does the net labeled #2make?
Square Based Triangle
200
If I need to figure out how much wrapping paper is needed to wrap a gift, what do I need to calculate?
Surface area
300
What is the formula for a triangle?
a = bxh/2
300
If a diamond has a diagonal of 2mm and another diagonal of 8mm, what is its surface area?
8mm2
300
This shape is characterized by being a flat, closed 2d shape with straight vertices
Polygon
300
Which of the shapes in Label #3 is a polygon?
C.
300
What is the difference between area and surface area?
Area if for 2D shapes and surface area is for 3D shapes.
400
What are the two measurements needed to find the area for a kite?
D1 and D2
400
If a rectangle has an area of 50cm2 and it has a base of 10cm, what must its height be?
5cm
400
What type of 3D shape has its side faces coming to a single point?
Pyramid
400
How many faces does a square based pyramid have?
5 faces
400
Which tool can be used to help us find surface area? (Hint: it might also catch butterflies)
Nets
500
What shape uses this formula to find its surface area?
a = (b1+b2)xh/2
Trapezoid
500
Grayson has a Dorito that has a base of 3cm and height of 8cm. He believes that the surface area should be 24cm2. What was his mistake?
He forgot to divide by 2. The answer should be 12cm2.
500
What id the term for more than one (PLURAL) Polyhedrons?
Polyhedra
500
The net on the board labeled #1 is a ?
Rectangle
500
Describe how you might find surface area of a cereal box.
Find surface area of the different faces and add them up.