Area of Rectangles
Area of Triangles
Area of Parallelograms
Questions about Shapes
Composite Figures
100
What is the area of a square with a side of 4 cm?
A = 16 cm2
100
What is the area of a triangle with a base of 8 inches and a height of 10 inches?
A = 40 in2
100
What is the area of a parallelogram with a base of 3 meters and a height of 12 meters?
A = 36 meters2
100
Is this a parallelogram? Why or why not?
No, it is not a parallelogram.
It does have 4 sides, but a parallelogram must also have Opposite Sides Parallel. The left and right sides would eventually touch (not parallel)
100
The area of a square is 81 cm2. Find the length and width.
9 cm and 9 cm
200
The area of the rectangle.
A = 176 cm2
200
What is the area of a triangle with a base of 1 cm and a height of 1 cm?
A = 0.5 cm2
200
The area of this parallelogram.
A = 468 in2
200
Is a rectangle a parallelogram?
Yes, it is.
It has 4 sides.
Opposite sides are Parallel.
Opposite sides are Equal in Length.
200
A triangle with an area of 24 units2. Find the base and height.
Multiple answers: base and height of (4 and 12) (6 and 8) (3 and 16) (2 and 24)
300
The area of a rectangle is 26 cm2. What is the length and width of each side.
13 cm and 2 cm
300
The area of the triangle.
A = 56 in2
300
The area of this parallelogram.
A = 322 ft2
300
Is this shape a parallelogram?
Why or why not?
No, it is not a parallelogram.
It does not have "4" sides AND opposite sides are NOT parallel!
300
The height is 12,795 divided by 2 with NO CALCULATOR!
6,397.5
400
What is the area of a rectangle with a width of 3.4 m and a length of 15 m?
A = 51 m2
400
What is the area of a triangle with a base of 12 cm and a height of 15 cm?
A = 90 cm2
400
What is the area of a parallelogram with a height of 5 meters and a base that is 62 meters long?
A = 310 meters2
400
The BASE is already labeled. Which Line is the HEIGHT?
How do you know?
D is the correct height.
First, it is dotted like most heights will be.
Second, and most importantly, D is PERPENDICULAR to the base and it extends from the BASE tot he opposite side.
400
The area of the composite figure. 
A = 412.5 in2
500
The area of a rectangle is 1088 mm2
It has a length of 8 mm.
What is its width?
W = 136 mm
500
Triangle PQR is a section of a ball field. Find the area. 
A = 156 ft2
500
The area of parallelogram EFGH is 207 square inches. It's height is 9 inches. Find the base GH.
b = 23 inches
500
CHALLENGE: Find the AREA of this shape (BLUE PART).
THINK: DECOMPOSE and find the area of each shape. Then COMBINE all of the areas!
12 square units
Square in middle: 2 x 2 = 4
Bottom triangle together with Left triangle makes another square that is 2 x 2 = 4
Top triangle together with Rigt triangle makes another square that is 2 x 2 = 4
4+4+4 = 12 square units
500
The area of the composite figure. 
A = 1,344 ft2