Week of May 7 - 11

Distributive Property

We're scheduled for a short quiz Monday on using the distributive property to eliminate parentheses in an algebraic expression.

Example: To get rid of the parentheses in the expression  5 (2x + 10) you simply multiply both parts of the expression inside the parentheses by the coefficient [the number outside the parentheses].
5 times 2x = 10x; and 5 times 10 = 50. So, without the parentheses, the expression is now 10x + 50.
When that is part of an equation, such as 5 (2x + 10) = 200, the equation can be solved once the parentheses are gone by using the "balancing" procedures we learned earlier.

5 (2x + 10) = 200
10x + 50 = 200
10x +50 - 50 = 200 - 50
10x = 150
x = 15

Coming Up This Week

Thursday, May 10: All classes will be taking the online Everyday Math End of Year Test in the fourth grade computer lab.

Friday, May 11: The sixth grade visits Greenfield Junior High in the morning for a tour of next year's building. Mr. Poncar will be visiting Maxwell next week to give interested students a chance to try out band instruments.

This Week's Assignments

http://apps.gcsc.k12.in.us/blogs/jellars/files/2010/08/May-7-11.pdf