We found this chalkboard menu at a coffee shop recently. The shop had prices for the 12-oz (small), 16-oz (medium) and 20-ounce (large) cappuccinos. And they will also make you 40-ounce cappuccino but they haven’t listed the price. A 40-oz…

The world record for the largest cup of coffee was recently set (see picture above). In this activity students explore scale, similar figures, volume and measurement as they estimate the amount of coffee that this record-sized mug holds. Students also…

Do teams that spend a lot win a lot? (just updated!) – Students compare team wins with team salaries in the four major North American sports … the NBA, NFL, MLB and NHL. Students use data from recent seasons to create scatter…

Fall is a beautiful time of year for hiking. Many students will be walking in the woods and mountains to enjoy the colorful leaves and the cool weather outside. Let them combine what they are doing with their families and…

Last week millions of people marched in hundreds of countries worldwide to demand “climate justice”. Greta Thunberg speaking at World Economic Forum 2018 Choose from any of our 14 activities to let students quantify some of the results of climate…

Monday, September 23, 2019 at 7:50 UTC (which is the same as 3:50 am EST), will be the Autumnal Equinox. It is the time of year when the imaginary plane that passes through the Earth’s Equator would also travel through the…

Brian’s son buys chocolate milk every few days to go with his lunch. His school creates an invoice that they send to parents every month that show the status of his milk account. Brian put $20.00 into this account to…

Who’s going back to school? – Students calculate the historical changes in U.S. population percentages of people who are going back to school and try to formulate reasons for these variations. 6.EE, 6.RP.3, 6.SP, 7.EE, 7.RP.3, 7.SP Does it pay to get…

Updated! Why should students do well in school, graduate high school, or go on to college? In this activity median earnings by various education levels are explored. Students compare the earnings of a non-high school grad with workers who graduated…

What’s the big deal with our deficit? Do we actually borrow money to cover our debt? If we do, imagine the interest charges? Help your students (and their families) understand the meaning and repercussions…

The official Atlantic hurricane season started on June 1 and doesn’t end until November 30th. Now Hurricane Dorian is approaching the East Coast. Encourage your students to join the conversation, knowledgeably, by using our activity. Students read about hurricane classfications and calculate…

Updated! What is this holiday about? Are we celebrating the start of school? New cars? The end of summer? In this short activity, students learn about the intended meaning of Labor Day as they read about its origin. For the…

Updated! Students look at the past and present populations of the U.S. and the past and present population of school attendees to calculate the percentage of the population that are enrolled in K-12 schools. They are asked to draw conclusions…

Act One: Check out the video slide show. What questions do you have? The Activity: Stacking Jack Suggested Question: How many different ways can I stack Jack? That is, how many different color arrangements are there? If I wanted to take…

Back to school spending is huge and students might not appreciate what it costs to send them back to, essentially, their job of learning. In this activity students decide what equipment and supplies are necessary, estimate how much that will…