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Table of Contents. September 2012. October 2012. Look at the set of points. (1,5) (2,6) (3,7) (4,__) 1a. What number would go in the blank? Plot the points. 1b. What are some other points that would fit the pattern? Plot them. (___,____) (____,____) (_____,_____)

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Warm up 1

Look at the set of points.

(1,5)

(2,6)

(3,7)

(4,__)

1a. What number would go in the blank? Plot the points.

1b. What are some other points that would fit the pattern? Plot them.

(___,____) (____,____) (_____,_____)

1c. Are they on a line?

1d. What is the relationship between each pair of numbers?

Warm-Up #1



Stretching and shrinking introduction
Stretching and Shrinking Introduction

What does the word similar mean to you?

Draw a picture of similar figures

Similar means

Summary: What can be the same and what can be different about two similar figures?


Warm up 2

Look at the set of points.

(3,9)

(5,13)

(7,17)

(9,21)

1a. What number would go in the blank? Plot the points.

1b. What are some other points that would fit the pattern? Plot them.

(___,____) (____,____) (_____,_____)

Are they on a line?

What is the relationship between each pair of numbers?

(______,______)

Warm-Up #2


Stretching and Shrinking

Reducing and Enlarging Shapes

Investigation 1.1

15in.

_______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ (use other side of paper if needed.)


Independent Work and Mathmatical Reflection

Using the picture……How tall would the person in the picture be if the magazine was 15in. in reality and .5 in. on the picture?

Show your work!!


Warm up 3

Look at the set of points.

(1,5)

(2,6)

(3,7)

(4,__)

1a. What number would go in the blank? Plot the points.

1b. What are some other points that would fit the pattern? Plot them.

(___,____) (____,____) (____,_____)

1c. Are they on a line?

1d. What is the relationship between each pair of numbers?

(______,______)

Warm-Up #3


Investigation 1.3 Scaling Up---Scaling Down

Vocabulary Word

Corresponding Sides

Corresponding Angles

Definition:

Example or Picture


____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________


Warm up 4

Look at the set of points.______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

(1,5)

(2,6)

(3,7)

(4,__)

1a. What number would go in the blank? Plot the points.

1b. What are some other points that would fit the pattern? Plot them.

(___,____) (____,____) (____,_____)

1c. Are they on a line?

1d. What is the relationship between each pair of numbers?

(______,______)

Warm-Up #4


2.1 Making Similar Figures______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________


Given the information in the table predict what will be the difference between the wump family members?

_______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________


Warm up 5

Look at the set of points. difference between the

(1,5)

(2,6)

(3,7)

(4,__)

1a. What number would go in the blank? Plot the points.

1b. What are some other points that would fit the pattern? Plot them.

(___,____) (____,____) (____,_____)

1c. Are they on a line?

1d. What is the relationship between each pair of numbers?

(______,______)

Warm-Up #5


2.1 difference between the Con’t…..Graph the Wumps…

Attach the graph to the other side of this page

______________________________________________________________________________________________________________________________________

__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________


2.2 Hats off to the difference between the Wumps

Changing a Figures Size and Location

What happens when you add or subtract from a point on a graph versus what happens when you multiply by a number?

________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________


Warm up 6
Warm-Up #6 difference between the

Ordered Pairs

( , )

( , )

( , )

( , )


2.3 Mouthing off and Nosing around difference between the

NOTES

EXAMPLE


Warm up 8
Warm-Up #8 difference between the

Ordered Pairs

( , )

( , )

( , )

( , )


3 3 scale factor and similar figures
3.3 Scale Factor and Similar Figures difference between the

Summary

When figures are similar, how are the lengths, areas, and scale factor related?


Warm up 9
Warm-Up #9 difference between the

Ordered Pairs

( , )

( , )

( , )

( , )


4 1 ratios within similar parallelograms
4.1 Ratios within similar parallelograms difference between the

Vocabulary

Ratios

Equivalent Ratios

Three ways a ratio can be written are…..

Examples


Warm up 10
Warm-Up #10 difference between the

Ordered Pairs

( , )

( , )

( , )

( , )


4 2 ratios within similar triangles
4.2 Ratios within Similar Triangles difference between the

___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________


Warm up 11
Warm-Up #11 difference between the

http://www.r-prollc.com/SavingEnergy.html

  • The graph has recorded trends from one day’s energy usage.

  • What is the largest source of residential energy cost according to the pie chart? _____________

  • The graph represents residential energy source for one day. Which source is represented in the graph and why? _______________________________________ ____________________________________________________________________________________________________________________________________________________________________________________________________________ ____________________________________________________________________


4 3 finding missing parts
4.3 Finding Missing Parts difference between the

When you know two figures are similar, name two ways you can find the missing parts?

Example


Warm up 12
Warm-Up #12 difference between the

http://www.aquaprosolutions.com/index_files/Brac_greywater_reclamation.htm

  • The graph has recorded trends from weeks water usage.

  • Which is the largest source of water usage according to the pie chart? _____________ What can you do to conserve water?_______________________

  • __________________________________________________________________

  • The graph represents one source of residential water usage for a week. What story could this tell? Explain. _________________________________________________ ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________


5 1 using shadows to find height
5.1 Using Shadows to find Height difference between the


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