Tag: 7.RP.3

Double Discount

  Wow, check out this sale!  I’m gonna be able to get this great hoodie so cheap!   If I use the promo code what will be the total percent off? The activity: DoublePercentOff.pdf CCSS: 6RP.3, 7.RP.3, HSF.IF.C.8b, HSF.LE.A.1c

How did they figure these tips?

Act I:  This restaurant bill has the suggested tips, but they are smudged out.  What should they be?  Consider having students make a fast 5 to 10 -second prediction in their heads. Act II:  Students work – for few minutes…

It’s Girl Scout cookie time

Have you ever wondered how the income from Girl Scout cookie sales is distributed to the individual girls, to their Troops, or to the organization? In this activity students learn a little about the organization of the Girl Scouts, try to…

Let’s get rich

There has been a lot of craziness in the stock market lately, but people who have invested their money in the markets could have made a lot of money in recent years.  Students use yearly percent increase data to decide…

New Horizons spacecraft observes Pluto

The New Horizon space probe was launched from Cape Canaveral on January 19, 2006. It has now come close to Pluto and has sent its first close-up images back to Earth.              

Jock tax

Great professional athletes make a lot of money. In November slugger Giancarlo Stanton signed a thirteen year contract for over $325 million with the Miami Marlins!  Did you know that professional athletes have to pay an amazing amount of federal, state,…

Growth of Facebook update

Facebook is so accepted in our world today that it is even part of nightly news broadcasts as people are noted for receiving huge numbers of likes in appreciation or interest. Mark Zuckerberg, the founder and CEO of Facebook, is…

Losing team in the playoffs, 2015

Hey, the playoffs are about to begin.  The best teams from the leagues compete to determine the champion. Must be some really great teams! But wait, the 2014-15 Carolina Panthers made the NFL playoffs by winning the NFC South with a…

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…

Doubling your money

My friend and I were arguing about how long it would take me to double my investment amounts.  How will your students figure this out?  Are there any tricks?  Explore investing and exponential growth as your students discover “The Rule…

Cheesy Goldfish crackers

In this activity students do a little comparison shopping as they determine which size Goldfish product is the best deal.  Students are introduced to the ratio table as a tool for determining equivalent ratios and comparing different rates.  Students graph cost per ounce relationships and answer a…

HDTV Surprise!

How were your holidays?  Your school vacation?  Mine was good. I surprised my family with this HDTV, which I wrapped and hung on our wall.  The size of an HDTV is determined by the length of its diagonal. What size…

California wildfire

Wildfires are burning in the Sierra Nevada Mountains near Yosemite National Park.  In this activity we ask students to examine various maps of this California region, calculate distances using map scales, draw conclusions about the nature of fighting fire here,…

Raising the bar

Recovery of the treasure from the 1941 sinking of the S.S. Gairsoppa was recently completed and a huge amount of silver was brought up from the ocean floor.  Let your students get a feel for this adventurous career as they calculate…