January+5-6,+2009+Math

Math Assignments

January 5, 2009 Use your calculators

Math: **1.01** Develop and use ratios, proportions, and percents to solve problems.

 * Warm up**: Worksheet. Review percents, decimals, fractions for 6-1 through 6-4

The Bridge map is useful in percent problems since the are proportions.
 * Essential Question**: How does an analogy thinking map relate to percents in math?

.**Review Notes**: page 29 in Interactive Notebook. The Bridge, a useful thinking map Running Back: Football as Center: Basketball as Forward: Soccer as Hitter: Baseball 1:2 as 50:100 as 25:50
 * //Verbal Analog//**y
 * //Math Proportion for 50%//**

What is 25% of 700?

- __25__ = __N____ ___Running Back__ ^ _______Center_____^_______Hitter______
--- 100 700 **Football Basketball Baseball**

Percent = __Part__ 25% of 200 __25__  =  __part__ =  __N__ Whole 100 whole 200


 * Guided Practice**: Review worksheet with word problems

**Homework**: page 320 Mid Chapter 6 Review Quiz. Do the even numbers.

January 6, 2009 Warm Up = Worksheet Check Homework

The Lesson on % Concepts of Change, decrease, taxes, tips,Profit, Loss Profit = Increase Loss= decrease Guided Practice: 6-5 page326 #1-6 Indpendent Work: 8-16 evens page 326 **Homework**: page 326 28-26 EVENS



 January 7, 2009 Math: Use Calculators Warm Up: Worksheet Check homework

The Lesson Chapter 6-6 page 328 Guided Practice: page 330 1-5 IF you were out. You can also use this internet site: http://www.moneychimp.com/calculator/compound_interest_calculator.htm
 * Homework: page 330-331 Even problems 6-30 **

**Using Percents for Wisdom**: Simple Interest: The Formula **I = prt**
Retirement Savings:10,000 at 5% interest/year What will be the final value of this when you retire after 30 years? Does it matter when you calculate the interest on your savings?
 * Principle || Interest || Time || Total || Compounded 4 times per year || What happens if you add 1,000 each year? ||
 * 10,000 || 5% || 1 year || 10,000 + 500 || 10,000 + 509.45 || 11509 ||
 * 10,500 || 5% || 2 year || 10,500 + 525 ||  ||   ||
 * 11025 || 5% || 3 year || 11,025 + 551 ||  ||   ||
 * 11,576 ||  || 4th year || 11,576 + 580 ||   ||   ||
 * 12,156 ||  || 5th yr || 12,156 + 608 = 12,156 ||   ||   ||
 * 12,764 ||  || 6th || 12,764 +638 in 6 years untouched ||   ||   ||
 * 13,402 ||  || 7th || 14,170 ||   ||   ||
 * ||  || 8th ||   ||   ||   ||
 * ||  || 9th ||   ||   ||   ||
 * ||  || 10th || 16,289 || 16,436 || 29,459 ||
 * ||  || 11 th ||   ||   ||   ||
 * ||  || 12 th ||   ||   ||   ||
 * ||  || 13th ||   ||   ||   ||
 * ||  || 14th ||   ||   ||   ||
 * ||  || 15th ||   ||   ||   ||
 * ||  || 16th ||   ||   ||   ||
 * ||  || 17th ||   ||   ||   ||
 * ||  || 18th ||   ||   ||   ||
 * ||  || 19th || more than ????? $26,532 || 27, 015 || 61,650 from your 30,000 ||