Which should we order and why? Two 12-inch pizzas or one 18-inch pizza? Which will give you more pizza? More crust? Which is the better deal? Let’s do the math! The activity: more-pizza.pdf
Two 12s or one 18?
Tag: 7.RP.3
Huge diamond found in Canada
552-carat diamond found in Diavik Mine, Northwest Territories, Canada Can you tell just how big this gem is? Do you know how big a carat is? What would this look like on a ring on your finger?
Really big pumpkins and pie
Let your students marvel at World Record winning giant pumpkins as they use proportions to calculate the quantities of pumpkin puree and the number of pumpkin pies that could be made from one of these giants. To introduce the task…
Longest NHL overtime games in history
Game one of the 2013 Stanley Cup between the Bruins and Blackhawks went into 3 overtimes. People stayed up way too late to watch the conclusion. The teams played 112 minutes and eight seconds of game time. The game went…
Greatest March Madness program
Based on this data, which do you think is the greatest March Madness program ever? Once students decide their “best program ever” challenge them use a different criteria than they originally used. That is, ask them to think of another way…
Does seeding really matter?
March Madness is the big 68 team college basketball tournament that takes over our TV viewing during the weekends of March. School and office friends are filling out brackets. Engage your students in percents as they get excited about March…
Water saving toilets
How much water is used? How much water could be saved? The activity: PottyTime-SavingWater.pdf CCSS: 5.MD.1, 5.NBT.7, 6.RP.3, 7.RP.3, MP2
Should I get the Big One?
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…
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…
In honor of Presidents’ Day find out about President’s pay
You can’t run for President now, but heck, 2036 is right around the corner. Being President of the United States will be quite an accomplishment and a ton of work. But, how is the pay? Does the job pay…
$10,000 a week or $10 million all at once?
Check out the video below: 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…
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