Category: Ratio and Proportion

Big bucks

Giancarlo Stanton and Wayne Rooney signed big contracts in 2016, paying each of them millions.  Lets take a look at some of the world’s biggest sports contracts from the NBA, NHL, NFL, MLB and European Football (what Americans call soccer).  We often…

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…

Columbus’s progression across the Atlantic

The Niña Columbus Day is a bit of an enigma that used to be celebrated throughout all of the Americas. Indigenous people were not treated well by the European colonization that began with Columbus’s voyage. For that reason, many U.S.states…

Back to school activities

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…

Does it pay to get educated?

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…

Hurricanes

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

Monarchs are flying south again

In mid-August and early September, the Monarch butterflies begin their annual migration south to more moderate climates to hibernate and overwinter.  It is an incredibly long migration and fascinating to observe.  But, the populations data on Monarchs has seriously changed…

But it didn’t sell?

 A&W offered a bigger, tastier burger but it didn’t succeed in grabbing customers away from the hugely popular McDonald’s quarter pounder. The A&W third pounder hamburger cost the same as McDonald’s quarter pound burger but customers still didn’t bite.…

Who’s going back to school?

In this investigation students calculate the percentage of the U.S. population (current and historically) that are enrolled in K-12 schools. They are asked to draw conclusions from these variations. Finally, they use their calculations to predict the number of enrolled…

Perseid meteor shower

Catching a productive meteor shower can be a stunning experience.  On the evenings and mornings of August 11th and 12th there could be a very good show.  A nearly new moon will leave the night sky dark. Depending on the…

That’s a big tomato!

These Aussi tomatoes (the tomato on the left of all of the tomatoes) are huge.  How much do you guess one weighs? Can you figure it out?

Really big beach towel

Act One: Check out this beach towel!  What do you wonder? What would you like to know? Miami artist, Misael Soto (pictured on the left below), created this giant art project to make a statement about people sharing territory at the beach.…