How do you calculate and justify which deal is a better savings? By dollars saved? By percent saved? By some other measure? The activity: WhichDealOffersMostValue.pdf CCSS: 4.OA, 4.NBT, 4.MD.A, 5.NBT, 6.RP, 6.EE, 7.RP, 7.EE.A

Ooops! I was supposed to buy 4 adult and 2 children tickets, but I accidentally entered four children and two adults … 🙂 Can you figure out how much a child’s ticket and an adult ticket actually cost?

Topper Chocolate Easter Bunny from Dilettante Chocolates. What can you deduce about the bunnies (pictured in this activity) from the descriptions given … solid? hollow? cost per pound? cost per height? Anything else? The activity: GiantChocolateBunnies.pdf

March 9th was the first round of the competition between Lee Se-dol, one of the World’s best Go players, and Google’s artificial intelligence program “AlphaGo”. The first and second matches took place in Seoul, South Korea and so far, AlphaGo…

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…

It’s been a crazy winter of extremes through much of the United States. Here’s an article, from the February 17, 2016 Boston Globe Newspaper by Matt Rochereau, with the degree swing whited out. Have your students determine the temperature increase…

Start out this activity with: What do you notice? What do you wonder? How many inches of snow produced that pile? How much snow in volume is on top of the car? How much could that snow weigh? Students try to approximate…

Pythagorean triples are not only handy for students to recognize but produce some interesting and lovely patterns. We’ve combined a little coloring with our Pythagorean Triple pattern investigation to let your students relax while they color, view the beauty, and…

Activity #1 – Look at the individuals who are memorialized on the National Mall and using fractions or percents decide what you can notice about those we honor. If you would like to show images of the monuments and memorials to…

Monday will be the holiday celebrating the life and work of Martin Luther King, Jr. Help students learn about his work towards racial equality as they create one or two time lines. One time line is about the events and…

Otha Anders used picking up pennies as a way to remember to pray. In this 3-act activity we try to estimate how much he actually collected and stored in 5 gallon water jugs. Kick off the activity with the article with…

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…

Happy Holidays! This Soda Menorah was on display in a Florida Target store. It is made up entirely of 12-packs of Coca-Cola products. What questions do you have? Start out the activity by giving kids a minute or two to…

Using his famous mashed potato recipe, Brian has asked students to change decimals to fractions, to calculate ingredient measures for various-sized Thanksgiving gatherings, to explain their thinking in calculating these figures and to judge how many servings could be created…

Act One: Clemson Football Head Coach, Dabo Swinney, offered an amazing “poll party” with pizza for everyone if Clemson makes the College Football Playoffs in the last poll of the season. See the written news story here. See the news video clip…