How much should you spend on this sale?

2023-11-20 09:44:31

How much should you spend on this sale?

This activity can be used in a large range of grade levels.  Your class can work on percents, linear equations or piecewise functions.

Act One: We missed the semi-annual sale but we want to get ready for the next one.  Let's figure out how much we could save.

Gap Sale PicCoupon from the gap.com Shop the Gap

What questions do you have?

Act Two:  What amounts make sense to spend up to get the best deal?  What purchase amounts do not make sense to make?  Try shopping the gap with your students and apply the  appropriate discount yourself. Find your cost for the items in this pdf.        Discounts2014.pdf

Note to teachers: In this sale, if you spend $75 you get 30% off, but if you spend $25 more, getting up to $100 you save 30%.  If you spend $124 you also get 30% off.  Anything $125 or more is 40% off.

Create a graph with the value of your purchase on the x -axis (before this discount) and what you actually pay on the y-axis (after discount).  How does this graph help you see which price points are the best deal? Act Three: Word doc, solutions and graphs.  A great way to sum up the lesson is to ask kids... "if you are going to buy $74 worth of clothes then you might as well buy $______ worth of clothes."

For members we have editable word docs, Excel Files & Solutions:

 Discounts2014.docx    Gap-data.xlsx

 discounts-solutions2014.pdf          Solution-graphed.png

 CCSS:6.RP.3, 7.RP.3, 8.F.4, 8.F.5, HSF.LE.B.5HSA.CED.A.3

Check out all current Yummymath lessons in one place at our Bird's Eye View page.

Activity Solutions & Supporting Materials
Share this:
Comments (0)
    Display 1 - 10 Of total 0
    Is this promo a good deal?
    McDonald's was offering an "Arch Card" speci...
    Will Damarious Randall have to pay big?
    Warriors won the NBA Championships.  Ra...
    Will I have enough stuff?
    Thursday, Aug 10th, is National S'mores Day! ...
    How much water should you be drinking?
    As we are outdoors more and temperatures are ris...
    Should I get the Big One?
      Let your students decide if the ...
    Vampire bats + Mosquito eating bats
    Ooooo. Scary!  In this first activity on va...
    It's opening weekend for Barbie
    This movie is supposed to be nostalgic, clev...
    Spiraling squares - compass and straight edge
    Can you see the many spirals ...
    Are baseball games getting longer?
      March 28th, 2018 was opening day for t...