Bases and Heights
Parallelograms
Triangles
Composite Shapes and Surface Area
Surface Area and vocab
100
What is area?
The amount of space a two-dimensional figure takes up. Measured in square units.
100
Define a parallelogram
A type of quadrilateral with two pairs of parallel sides. Opposite sides are the same length.
100
What is parallel?
Straight lines that always stay the same distance from each other and never meet
100
Find my area:
20 units2
100
What is perpendicular?
Two lines that meet at a 90 degree angle
200
Which parallelograms have correctly labeled corresponding bases and heights?
A,C,D
200
Find the area of the parallelograms below:
A: 15 square units
B: 12 square units
200
Find the area of the triangle
14 cm2
200
Find the area of the composite shape
68 m2
200
What is surface area?
The sum of all of the areas of the sides of a three-dimensional shape
300
Find the missing height
6 units
300
60 ft2
300
Find the area of the triangle
10 square units
300
Find the area of this compound shape
18 units2
300
Find the surface area of the cube
96 cm2
400
Find the missing base length
13 cm
400
Find the area of the parallelogram
175 cm2
400
The area of the triangle is 35 cm2.
What is the triangle's height?
7 cm
400
Find the area of this composite shape:
315 ft2
400
Find the surface area of the prism
108 in2
500
Be prepared to draw a height line for each side of the triangle. A different team member will draw the line for each "Base"
Answers may vary
500
Oscar is tiling his bathroom floor. The design has large parallelogram shaped tiles. The base of each tile is 18 inches and the height of each tile is 5 inches. If it takes 30 tiles to cover the floor, what is the area of the entire floor in square inches?
2700 in2
500
Find the area of the triangle whose height is 32 cm and the base is
1/4
the length of the height.
Solution:
Height of the triangle = 32 cm
Base of the triangle = 32 × ¼ = 8 cm
Area of the triangle = ½ × 32 × 8= 128 cm2.
500
3000 ft2
500
Find the surface area of the prism
174 ft2