Lesson 3­6 Solve Proportions Using Cross Products.notebook
Lesson 3-6
Solve Proportions Using Cross Products
September 22, 2016
P.O.D.: Mixed Review P. 173
#'s 44-54 even
Objectives: -Use the Cross-Products Property to solve
proportions;
-Write proportions to solve scale-model problems.
Jul 26­12:51 PM
Jul 26­12:54 PM
Jul 26­12:55 PM
Jul 26­12:59 PM
Jul 26­1:00 PM
Jul 26­1:01 PM
1
Lesson 3­6 Solve Proportions Using Cross Products.notebook
September 22, 2016
Jul 26­1:02 PM
Jul 26­1:03 PM
Jul 26­1:05 PM
Jul 26­1:08 PM
Jul 26­1:11 PM
Jul 26­1:12 PM
2
Lesson 3­6 Solve Proportions Using Cross Products.notebook
September 22, 2016
9
3
8
7
6
2
5
4
1
3
2
0
41°
1
0
Jul 26­1:14 PM
Jul 26­1:22 PM
Jul 26­1:27 PM
Jul 26­1:28 PM
Jul 26­1:29 PM
Jul 26­1:31 PM
3
Lesson 3­6 Solve Proportions Using Cross Products.notebook
Jul 26­1:33 PM
September 22, 2016
Jul 26­1:35 PM
Closing:
Explain how to use the cross-products property to solve
a proportion.
Homework:
Explain how to use a scale drawing to find the length of
an actual object.
WS 3-6 Practice B: all
What are the means and the extremes of a proportion?
What are similar figures?
Jul 26­1:36 PM
Jul 26­1:38 PM
Sep 28­3:46 PM
Sep 28­3:47 PM
4
Lesson 3­6 Solve Proportions Using Cross Products.notebook
September 22, 2016
Sep 28­3:47 PM
Sep 28­3:47 PM
Sep 28­3:47 PM
Sep 28­3:47 PM
Sep 28­3:47 PM
Sep 28­3:48 PM
5
Lesson 3­6 Solve Proportions Using Cross Products.notebook
Sep 28­3:48 PM
September 22, 2016
Sep 28­3:48 PM
6