Let your students decide if the BIG one is a fair deal. Click on the pic to enlarge and post on the wall. Have kids pick a sandwich. Which size will they get? Which size offers the most value? Make…
Should I get the Big One?
Tag: 7.RP.3
How many times bigger?
Listen to students initial thoughts as they wrestle through what “bigger” means … length? height? wheel-base? volume?
April’s calf was born!
At about 10:00 am, April 15th, April’s calf was born. Everyone will be talking about it and smiling constantly. Here’s some fun math stuff to bring with you for Holiday gatherings. The activity: April’s-calf.pdf
New baby giraffe
Willow weighed 125 pounds at birth and was 6 feet 1 inch tall. She will grow to her adult height of around 14 feet tall in only four years! How big would you be if you grew at her rate…
$10,000 a week or $10 million all at once?
Would you rather have $10,000 a week or $10 million all at once? What kinds of things do we need to think about or factor in when making this decision? If you had to advise the winner of this drawing,…
Are these really 70% off?
We ran into this sale online. Is that advertisement correct? Do they just want us to believe their math and not question what is really 70% off? Is everything or anything really 70% off?
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…
Mark Zuckerberg and Priscilla Chan to give away 99% of their shares of Facebook
That sounds like an awful lot of their Facebook shares. They want to help create a better world for their daughter, Max. I wonder if they will have enough left over to live on? The BBC newspaper said that their…
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…