At Costco you can buy this huge tub of nutella. It contains nearly 7 pounds of chocolaty-hazelnut spread. We use nutella to make banana/nutella crepes. How long will that tub last us? Is it too big and we will have…

Locked in a smelly bathroom for one hour and then promised a lifetime of Whopper meals, an Oregon man sued BK when the manager’s promise was withdrawn. How much money should he ask for in his suit? The activity: BurgerKingBathroomLawsuit.pdf

Presidents Day is also about car sales. Should you buy a hybrid car or an electric car to save money? Students create equations for finding the break-even points of these vehicles by mileage and years of ownership. They then work…

The President’s have only received a pay increase 5 times in the United States. Picture it with a step graph. Calculate the actual salary using the CPI (Consumer Price Index). Do the Presidents need a raise?

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…

Parametric graphing, heart area, chocolate volume, making a heart-shaped cake, pie charts of holiday candy sales, how many cans in a can heart canstruction, where do all of those flowers come from, best deal on bagged candies, making a cardioid … Valentine everything!

Year of the Earth pig Lunar New Year begins on Tuesday, February 5th. This will be the year of the Earth Pig. The year name is a combination of 10 Heavenly Stems and 12 Earthly Branches creating a sequence of…

Super Bowl Cheesy pretzel poppers – Students follow a recipe that involves cutting a block of cheese, figuring how many servings, estimating how many times they need to multiply the recipe by to make enough pretzel bites, and multiplying and reducing…

In this activity students study historical Super Bowl data to reflect on average (mean, median, and mode), losing scores, winning scores, and range of scores. They are asked to judge which of these central measurements seem the most meaningful and explain their…

1993 McDonald’s Super Bowl commercial Here’s another Super Bowl analysis to motivate your students. 5 million dollars for a 30-second ad. That is how much a one-half minute commercial will cost during the 2019 Super Bowl game. Wonder how much it…

Super Bowl numbers are appearing again. As students start getting into the current Super Bowl hype, help them to understand the notation that the sports writers and advertisements are using. Introduce Roman numerals to your class. In this activity students learn…

Data on the National Mall sites – Two data analysis activities about the National Mall. Who do we honor? – What people or events are included in the National Mall monuments? Students use fractions or percents to decide what they can notice…

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

Now the that season is underway let’s check in on how Cleveland and the Lakers are doing since LeBron changed teams. LeBron is arguably the best player in the NBA and a tremendous addition to a team … a real…