WELCOME!!!1) Get out your homework from

3.22) Write down your homework

for tonight S&S ACE Unit 2 Questions: 32, 38-42

3) Get out a book and READ!!!

4) Warm-up Pg 76 #’s 1-9

HOMEWORK: ACE 26-31

WARM UP1) Y = 6 2) d=12

3) x = -11 4) b= -7

5) t=-17 6) g=-4

7) a=12 8) t=-5

#. Date Brief Description1. 10-3 S&S Problem 2.1 day 1/ ACE (1 a-e)2. 10-4 S&S Problem 2.1 day 2/ ACE (14-15)3. 10-5 S&S Problem 2.2 ACE 3, 16, 174. 10-6 S&S Problem 2.3 ACE 5,65. 10-11 S&S Problem 3.1 ACE 22-256. 10-12 S&S Problem 3.2 ACE 26-317. 10-13 S&S Problem 3.3 ACE 32

BIG IDEA: Scale Factors

You need: CalculatorGraph Paper

Page 42

Think about it????? Lab Sheet 3.3 BIn each set, decide which polygons are similar. Explain your reasoning!*Rulers*Angle Rulers

What did Ms. Peterson say about Similar Figures? Rectangles: A and

C

Parallelograms: B and C

Decagons: A and B

Stars: A and C

Lets see what you learned…

1)What is the Perimeter of the rectangle? 21 units2) What is the area of the rectangle?

22.5 units squared

3) What are the new dimensions of the rectangle if you enlarge it by a scale factor of 3?

9 by 22.54) What is its new perimeter?

63 units5) What is its new area?

202.5 units squared6) How did the perimeter change?

It became 3 times larger.7) How did the area change? It became 9

times larger.

Make Sure Your Notebook Assignment Sheet Looks Like This!

#. Date Brief Description1. 10-3 S&S Problem 2.1 day 1/ ACE (1 a-e)2. 10-4 S&S Problem 2.1 day 2/ ACE (14-

15)3. 10-5 S&S Problem 2.2 ACE 3, 16, 174. 10-6 S&S Problem 2.3 ACE 5,65. 10-11 S&S Problem 3.1 ACE 22-256. 10-12 S&S Problem 3.2 ACE 26-317. 10-13 S&S Problem 3.3 ACE 32