#30-1 March 28, 2011Solve the equation

1) 4m = 6 2)

3) Find the area of the rectangle for each of the possible values of x.

92

32 49 -

This is called a

“mapping diagram”

ESSENTIAL QUESTION: How can you find the perimeter of a composite figure?

March 28, 2011

There are ___ regular lengths

There are ___ diagonal lengths • 1.5 in each = _____ in.

___ regular lengths + _____ diagonal in. = _____ in.

March 28, 2011Perimeter of a Composite Figure

There are ___ regular lengths

There are ___ diagonal lengths • 1.5 in each = _____ in.

___ regular lengths + _____ diagonal in. = _____ in.

March 28, 2011Perimeter of a Composite Figure

Monday Homework

radius: _____

diameter: _____

Circumference: _____

radius: _____

diameter: _____

Circumference: _____

radius: _____

diameter: _____

Circumference: _____

Circumference = ∏d March 28, 2011

A semi-circle is HALF a circle, so you divide the circumference of the circle by 2 to get the circumference of

the semi-circle.C = ∏d

2

C = ∏d

2C = _____cm. C = _____in.

Monday HomeworkMarch 28, 2011

This is called a

“mapping diagram”

3

C = ∏d

2 C = _____ft.

C = ∏d

2 C = _____ft.

A semi-circle is HALF a circle, so you divide the circumference

of the circle by 2 to get the

circumference of the

semi-circle.

#30-2 March 29, 2011

Solve the equation Simplify your answer1) 31 = 3x + 4 2) 6

31227 ÷

3) Complete the mapping diagram for the following graph.

y

Use the 10 for finding the circumference of the semi-circle.

C = ∏d 2 You divide by two because it is HALF of a circle.

Add the circumference of the semi-circle to the other two sides of 8 ft and 6 ft.

The perimeter of this composite figure is _____ft.

March 29, 2011Perimeter of a Composite Figure

C = ∏d

I have 2 semi-circles. If I put them together, I have a whole circle, so I DO NOT need to divide by 2.

Add the circumference to the perimeter of the rectangle.

Perimeter of the Rectangle = 2l + 2w

The perimeter of this composite figure is _____m.

March 29, 2011Perimeter of a Composite Figure

There are ___ regular lengths

There are ___ diagonal lengths • 1.5 in each = _____ in.

___ regular lengths + _____ diagonal in. + _____ (semi-circle) = _____ in.

The circumference of the semi-circle is _____ C = ∏d

2

March 29, 2011Perimeter of a Composite Figure

March 29, 2011

Tuesday HomeworkPerimeter of a Composite Figure

There are ___ regular lengths

There are ___ diagonal lengths • 1.5 in each = _____ in.

___ regular lengths + _____ diagonal in. = _____ in.

P = _____in.

P = _____in.

There are ___ regular lengths

There are ___ diagonal lengths • 1.5 in each = _____ in.

___ regular lengths + _____ diagonal in. = _____ in.

March 29, 2011

Tuesday HomeworkPerimeter of a Composite Figure

Circumference of two semi-circles (1 whole circle): ______

Add the circumference of the 2 semi-circle to the other sides of 8 ft, 6 ft, and 10 ft.

C = ∏d

What are these two lengths?

Add ALL the sides together.

P = _____ft.

P = _____in.

March 29, 2011Tuesday Homework

C = ∏d 2 C = ___ft.

Use the following ordered pairs to create a mapping diagram.

(0, 10), (4,6), (6,4), (7,3)

#30-3 March 30, 2011Solve the equation1) 8n + 4 – 3n = 54 2)

3) Mapping diagrams can be written as ordered pairs. To create a mapping diagram of ordered pairs…

1. List the inputs from least to greatest2. List the outputs from least to greatest3. Draw arrows from the inputs to their outputs

32

73 5•2

Input, x Output, y

ESSENTIAL QUESTION: How can you find the area of a circle?

__________

Area = __________

Area = __________

Area = __________

March 30, 2011

Area = __________

Area = __________

Area = __________

Area = __________

Area = __________

Area = __________

March 30, 2011

Wednesday Homework

Complete ALL slides in this packet up to this slide.

Make sure EVERY question is answered on EVERY slide!!!

Use the following ordered pairs to create a mapping diagram.

(2, 6), (3, 3), (6, 9), (5, 1)

Input, x Output, y

To create a mapping diagram of ordered pairs…1. List the inputs from least to greatest2. List the outputs from least to greatest3. Draw arrows from the inputs to their outputs

#30-4 March 31, 2011

Solve the equation

1) 22 = 2) 21

83 +5

q+11

3) When writing an equation for a function, the input is x and the output is y. Write an equation to represent the following function:

the input IS 8 less than the output

A = ∏r² 2

You divide by two because it is HALF of a circle.

Area = __________

Area = __________

Area = __________

A = ∏r² 2

Area = __________

Area = __________

Area = __________

March 31, 2011

You divide by two because it is HALF of a circle.

A = ∏r² 2

Area = __________

Area = __________

Area = __________

A = ∏r² 2 You divide by two because it is HALF of a circle.

Area = __________

Area = __________

Area = __________

You divide by two because it is HALF of a circle.

March 31, 2011

A = ∏r² 2

Area = __________

Area = __________

Area = __________

Area = __________

Area = __________

Area = __________

You divide by two because it is HALF of a circle.

March 31, 2011

Thursday Homework

Area = __________

Area = __________

Area = __________

Find your radius by ÷ 2

Find your radius by ÷ 2

A = ∏r²Area = __________

Area = __________

Area = __________

March 31, 2011

Thursday Homework

Area = __________

Area = __________

Area = __________

Find your radius by ÷ 2

Area = __________

Area = __________

Area = __________

When writing an equation for a function, the input is x and the output is y. Write an equation to represent the following function:The output is 17 more than the input______________________________

#30-5 April 1, 2011

Solve the equation

1) = 30 2)

3) When looking at an ordered pair, the first number is x and the second number is y. Is the ordered pair (1, 18) a solution to the function

y = 9x + 8

811

635 +3•6

n

ESSENTIAL QUESTION: How can you find the area of a composite figure?

1. ________________________

2. ________________________

3. ________________________

April 1, 2011

Area of the triangle: ______

Area of the rectangle: ______

Area of the parallelogram: ______

The TOTAL area of this figure is _____cm².

Area of two semi-circles (1 whole circle): ______

Area of the square: ______

The TOTAL area of this figure is _____ft².

Area of two semi-circles (1 whole circle): ______

April 1, 2011

Area of the triangle: ______

Area of the rectangle: ______

The TOTAL area of this figure is _____m².

Area of the trapezoid: ______

Area of the rectangle: ______

The TOTAL area of this figure is _____cm².

April 1, 2011