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Practice with Perimeter & Area. Area of a Rectangle. 3 units. 1. 2. 3. 4. 5. 6. 4 units. 7. 8. 9. 3”. 10. 11. 12. 12 square units in the rectangle 3” or 3 units on top (width) 4” or 4 units on side (height) 3 x 4 = 12. 4”. Area of a Rectangle. Start Geogebra file: - PowerPoint PPT Presentation
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Practice withPerimeter & Area
Area of a Rectangle3”
4”
1 2 3
3 units
4 units
12 square units in the rectangle3” or 3 units on top (width)4” or 4 units on side (height)3 x 4 = 12
4 5 6
7 8 910 11 12
Area of a Rectangle
Start Geogebra file:
Rectangle_Area_worksheet.ggb
Area of a Parallelogram
What relationship did you discover between a
rectangle
and a
parallelogram?
Area of a Parallelogram
Start Geogebra file:
parallelogram2.ggb
Area of a Traingle
Area of a Traingle
Start Geogebra file:
Triangle_worksheet.ggb
Area of a Trapezoid
How can you find the area of a trapezoid?
Trapezoid Discoveries
Area of a Trapezoid
Start Geogebra file:
Area_Trapezoid_worksheet.ggb
Area of a Trapezoid Practice
Start Geogebra file:
Area_Trapezoid_practice.ggb
Find the area of the rectangle.
5ft
11ft
Find the area of the parallelogram.
3m
7m
5m
Find the area of the triangle.
6cm
14cm
9cm 11cm
Find the area of the trapezoid.
7in
4
14
4
31 in
in
Given the area of the figure, find the missing measurement.
A=143in2
11in
w
Given the area of the figure, find the missing measurement.
9ft
A=72ft2h
Given the area of the figure, find the missing measurement.
A= 15 m26 m
Given the area of the figure, find the missing measurement.
b1
6cm
6cm
A=60cm2
11cm
h
6cm
A=51cm2
Given the area of the figure, find the missing measurement.
Jack and Jill are going to lay tile in theirliving room. If each tile measures two squarefeet, how many tiles will be needed to cover the floor of the living room?
Jo wants to paint her bedroom. She knows one of her walls is 10 ft tall and 8 ft wide. Each can of paint can cover 20 square feet of area
a. Find the number of cans of paint that will be needed to paint the wall.
b. If each can of paint costs $9.75, how much will it cost Jo to paint her room?