#30-1 march 28, 2011 solve the equation 1) 4m = 6 2) 3) find the area of the rectangle for each of...
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#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”
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.
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