2/4/2008 Pre Algebra - Rates & Ratios

Today students worked on ratios and rates.  They will need to be able to write ratios in 3 ways, order ratios from least to greatest, find the unit rate, decide if ratios are equivalent and write equivalent ratios.  Students took some notes over example problems, we did some examples on the board together.  After that, they worked on a worksheet for an in class grade.

Homework:

worksheet practice B (page 11)

2/4/2008 Applied Geometry - Scale Model Worksheet

Today students completed the scale drawing worksheet that they received last Thursday.  We will begin Chapter 8 on Wednesday.

2/4/2008 Algebra 1 - Systems of Inequalities

Today you will see examples of 2 types of problems:

1) How to check a solution to a system of linear inequalities.
2) How to find (graph) a solution to a system of linear inequalities.

To see a video explanation of how to do problems like #1 click here. Watch and listen to the video for Example 1.

To see a video explanation of how to do problems like #2 click here. Watch and listen to the video for Examples 2 & 3.

The YouTube video below should help as well:

Homework:
page 435-436 #'s 9-11, 15-23