When you look at the new case numbers of the Coronavirus in the U.S. and compare that with various world and national events and our present scientific understandings, what do you wonder? What can you deduce? What might the future…
When you need a loan, and you’re desperate for help, is this a good idea? Students learn about this kind of loan and examine how it compares with personal loans and debt on your credit card. They analyze final payments…
Two activities to help celebrate National Donut Day
How many donuts is that = huge box of donuts to approximate.
How have donuts changed = torus volume measurements, formula intuition, and algebraic transformation of one formula into a second formula.
This activity is a investigation intended to get students and teachers to loosen up a little and appreciate how just considering a situation might lead you to a very reasonable approximation.
Too often students think that there is only one answer that is right and that the method for approaching that solution is also limited to the “correct” approach. Surely this fear of experimenting and guessing leads to math anxieties and the fear to reason and experiment.
3 activities about wrapping presents: On the diagonal, 3-act by estimation with iPhone, and judging sizes and needs by estimation with man and shopping basket.
Check out our Christmas Tree. We need to buy lights for the tree. Without calculating, guess how many feet of lights you will need. What information do you need to better estimate the number of feet of lights that you…
How have record marathon runs changed through the years? Will those record times keep being broken? Does the data help you predict?
Strange happenings when one neighborhood observes daylight saving time and one neighborhood doesn’t. Do you get confused? Does UTC notation help?
As the Halloween season begins, let your students play a spooky game. How does this work? Students can play this game online at Ghost Whisperer Crystal Ball and then Figure out why it works. Construct viable arguments Critique the work of others…
Students consider how to determine the best candy haul prediction. The math ideas of measurement error and percent error are introduced. Students then predict their own Halloween candy collections numbers and compare their predictions to their actual haul using measurement and percent error.
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…
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…
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…
All soccer players on a team aren’t paid the same. The best players are paid more than the simply great players. And in Women’s soccer those same differences exist but at a smaller income scale. In this activity we examine…
To see this poster larger in a new window, click on the image. In 2017, Old Dominion Freight Line offered 2 free tickets to the next 3 World Series to the person who guesses closest to “How many baseballs are…
