1. S HOP ‘ TIL YOU DROP ! B IRTHDAY F UN ! Content Standard N.S. 1.4 By: Ramona Y. Badal

2. I NTRODUCTION It’s your best friend’s 13 th birthday! You and another friend are in charge of planning the big bash, and you have exactly one week to get it all done! What are you waiting for? Let’s GO!!!

3. C ONTENT S TANDARD N.S. 1.4 Calculate given percentages of quantities and solve problems involving discounts at sales, interest earned, and tips

4. TASK Here are the party details: 30 friends are coming You have been given $500 to plan the event which needs to cover the following: Invitations, food, cake, entertainment, decorations, and party supplies such as plates, cups, and plasticware Here are the task details: You can work with a partner You can NOT go over $500 and must spend all the money or get as close as possible ( It can be done! ) Each item must have a genuine price You must use your three coupons, one use each: 20% off, 30% off and $15 off, applied at any store A 9% tax must be applied to each purchase

5. P ROCESS STEP 1 First, let’s practice how to apply discounts Print off the Problem Solving & Answer Sheet off Google Docs Go to the following website and complete the learning activity http://www.mathgoodies.com/lessons/percent/sale_price.html http://www.mathgoodies.com/lessons/percent/sale_price.html Next, complete the 5 practice problems on the Problem Solving & Answer Sheet

6. P ROCESS STEP 2 Now, let’s learn how to apply sales tax, using percents Go to the following website and complete the learning activity and 6 practice problems http://math.about.com/od/percent/a/Sales-Tax- Calculations.htm http://math.about.com/od/percent/a/Sales-Tax- Calculations.htm Show all your work on page 2 of the Problem Solving & Answer Sheet

7. P ROCESS STEP 3 Your final work will be presented in a PowerPoint Presentation, which should include: http://office.microsoft.com/en-us/powerpoint-help/basic-tasks-in-powerpoint-2010-HA101824346.aspx An Introduction slide (Name, period, date & title) A slide for each store, showing a picture of what was purchased, price, a hyperlink to the item purchased (price authenticity), quantity purchased, discounts if used, and the final purchase price, including tax A calculations slide that shows how much money you have left (Start with $500 and show how much money you spent at each store) A reflection of your learning

8. H ELPFUL P LANNING S ITES Party Supply Stores Party City Oriental Trading Michael’s Entertainment Jump for Fun Food Costco Safeway Trader Joe’s

9. E VALUATION Exemplary 4 Accomplished 3 Developing 2 Beginning 1 Score Teamwork Tasks were shared fairly without any teacher intervention. Tasks were shared pretty fairly with little teacher intervention. Tasks were shared with the intervention of the teacher. Tasks were not shared fairly. Teacher intervention needed. Math Solution Spent $495-$500.Spent $485-$494. Spent $475 - $484. Spent $474 or below. Completeness (picture of item, price, hyperlink, quantity, tax, & discounts, if any & final price) All components were included. Most of the components were included. One half of the components were included. Less than half of the components were included. Evidence (Problem Solving & Answer Sheet) All computations were complete & accurate. Most of the computations were complete and accurate. One half of the computations were complete and accurate Less than half of the computations were complete and accurate Presentation Presentation was creative and is engaging. The content and ideas were organized and well thought out. Presentation shows some creativity and is engaging. The content and ideas are mostly organized and thought out. Presentation shows an attempt at creativity. The content and ideas could use some organization and clarity. Presentation lacks creativity. The content and ideas could use organization and clarity.

10. C ONCLUSION When you are done, take a few minutes to reflect on your learning. How did it go? What would you change? What did you learn? What did you find challenging? Here are some things to consider: When shopping, it’s important to have a budget and know that you must stay within that budget Discounts are a percentage of the price of a product and are deducted from the price of the product Coupons are subtracted from the price of the product Tax is a percentage of your total and is then added to your total When collaborating with others, it is important to be respectful and “work together” like a team, while contributing to the tasks of the assignment and meeting important deadlines All these concepts are ones that you will encounter in the real world