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?