For Saint Patrick’s Day add a little nutrition math to your celebration. In this post we look at calories, carbohydrates, sugars, fats, and proteins to decide what would be left for our day’s meal allotment after we had lunch and…

In this fraction operation and representation activity, students are asked to decide how much of my cake was eaten. Using fraction multiplication (or angle measure if that is where you need an activity) they find out how much someone owes…

Dunkin Donuts is promoting variety in their mixtures of hot chocolate. Let your students try to figure out how many ways they can create their drink as they calculate the number of combinations possible in our story of stopping for…

Halloween means lots of candy and chocolate. In this activity students approximate the volume (through finding the morsel’s base area) of three different pieces of chocolate. The chocolates are shaped like a heart, a bat (for Halloween) and a chocolate…

We stumbled upon this interesting caffeine infographic at visual.ly. Wonderings? How many McDonalds coffees do I need to get the same amount of caffeine that I would get in a Starbucks coffee? What is the whole circle worth? How do you…

Carbon dioxide and methane are our two most prevalent human-contributed greenhouse gases. This holstein cow is one of many huge contributors to our methane production. Let students calculate percentages of greenhouse gas production from cars, cows, and people. We’ve got…

Brian has introduced systems of equations with easy, motivating problems that deal with the cost of stadium purchases for food or souvenirs. These systems of equations puzzles are so intuitive that very little support will be needed

Sunday is Father’s Day and there is still time to have a tiny fraction review in the guise of celebrating Father’s Day. This is a short activity that asks students to change the amounts in a blueberry muffin recipe to…

Do you or your students love sugary drinks? What if it were against the law to order a large sugary drink where you lived? On September 13th, 2012 the New York City Health Department banned sodas and sweetened drinks larger…

There have been a lot of cruise ship mishaps and disasters this year. While these are in the news, let your students consider how these floating cities manage their resources and which of their needs are precarious as they calculate…

Valentine’s Day is here again and that means candies and chocolate. In this activity students approximate the volume (through finding surface area) of three different pieces of chocolate. The chocolates are shaped like a heart, a bat (for Halloween) and…

Jennifer Fairbanks from Hopkinton, MA sent us this picture of the cookies that she baked in 4 hours using 13 eggs and 5 cups of sugar. Do you see some math here?

Brian loves Twinkies and the news that Hostess is going out of business has upset him terribly. He needs his Twinkies. Twinkies last forever. Right? He’s going to buy enough for 15 years of Twinkies. In this activity, students examine…

Brian Shoemaker, a Newton, MA mathematics teacher, saw this Dunkin Donuts Mazda traveling down the road. He wondered if that size coffee cup could really have coffee in it. Wouldn’t the car rock back on its rear bumper? How much…

Time to give students some authentic math on a topic they will surely be interested in … Starbucks. We ask and answer a few questions in this activity. About how many drinks does Starbucks sell in a year? If I…