What are my kids' names?
Raylan and Eddie
When there is gray space that means you add or subtract?
subtract
What is the formula for area of a rectangle/parallelogram?
A= b x h
What is the formula for area of a triangle?
1/2 bxh or bxh divided by 2
a quadrilateral with one pair of parallel sides.
Daily Double!
Find the area of the figure on the grid...
128 square units.
Find the area of the shaded space.
30 - 4.5 = 25.5 sq. units
Find the area of the rectangle.
40 cm2
What are the steps to find the area of a trapezoid? (3)
1. Add bases
2. Divided answer by 2
3. Multiply answer by height
True or False: The height is always straight up and down.
True
What is the area of the triangle?
15 square units.
Find the area of the shaded space.
120 - 14 = 106 m2
Find the area of the rectangle.
345 cm2
What is the base of a triangle that has an area of 67.5 square inches and a height of 9 inches?
What number do we use for pi?
3.14
Find the area of this figure
30 units squared
Find the area.
280 + 153.86 = 433.86 cm2
Find the area of the parallelogram.
50 in2
What is the area of this triangle?
60 sq. units
r2 means _________.
A. r times 2
B. r times r
r times r
1. E(1,7), F(3,7), G(3,4), H(1,4)
Use these coordinates to find the Perimeter of the rectangle. (Make a grid if necessary)
10 units
Add or subtract?
A. B.
C. D.
E.
A. Add
B. Add
C. Subtract
D. Add
E. Subtract
Find the area of the parallelogram.
75 cm2
What is the area of the trapezoid?
28 sq. units
What is important to remember about our units for area?
they are square units