3.4+Paying+Bills+and+Counting+Profits+10-11

=__** 3.4 : Paying Bills And Counting Profits **__=

September 19, 2010
=__**BIG IDEA**__= Observation and description of changes in the world around us are the first steps in finding and learning about patterns

=__Essential Questions__=

How can I visually explain situations where one thing changes based on another?

__NOTES__
**Profit = Costs - Income** because subtraction is not commutative. Addition and multiplication is commutative but subtraction and division isn't. **Commutative** - able to change the order of (numbers in this case)/ change position. =__**//Commutaive//**__= 10-7=3

**>** not commutative (not the same answers
7-10=-3

10+7=17

-> Commutative (same answers)
7+10=17

A Question I have is: Is Commutative a Math word or can it be used for anything?
=__3.4__=

__**A-**__
 * number of customers || income ($) || bike rental ($) || food and camp ($) || van rentals ($) ||
 * 1 || 350 || 30 || 125 || 700 ||
 * 2 || 700 || 60 || 250 || 700 ||
 * 3 || 1050 || 90 || 375 || 700 ||
 * 4 || 1400 || 120 || 500 || 700 ||
 * 5 || 1750 || 150 || 625 || 700 ||
 * 6 || 2160 || 180 || 750 || 700 ||
 * 7 || 2450 || 210 || 875 || 700 ||
 * 8 || 2800 || 240 || 1000 || 700 ||
 * 9 || 3150 || 270 || 1125 || 700 ||
 * 10 || 3500 || 300 || 1250 || 700 ||


 * __B-__** The number keeps on increasing by $350. All we had to do is use the number of customers and multiply it the $350.

__TOTAL ($)__ 855 1010 1165 1320 1471 1630
 * __C-__**


 * [[image:../../../../file/view/EJC_Square.png caption="EJC_Square.png"]] ||