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.
I risked infecting my friends or becoming infected myself by throwing a very small socially-distanced party. I served baked appetizers, disinfectant wipes, and latex gloves. I cooked while wearing clean latex gloves and served the appetizers with a spatula. The…
NASA and SpaceX plan to launch humans from Kennedy Space Center, Florida, to the International Space Station for the first time since July 11, 2011. This is a more current events activity than mathematical.
Since beaches are starting to open again, we thought this activity might bring smiles and hopes. 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),…
I have two fish in my aquarium. Betty is my white goldfish. She often stays really close to the front wall as she swims towards her food. Stripe, my clownfish, usually swims diagonally across the tank to the back top…
Wow! This vacuum can clean up to 2,800 square feet while using only one electrical outlet. How long must its cord be?
See how much particulate matter, low-lying ozone, carbon monoxide, nitrogen dioxide and sulfur dioxide there is in the world’s atmosphere at any one time and place. Students learn about the scale of the AQI and search for some of the contributors to unhealthy locations.
Mother’s Day is right around the corner and this means big business for the greeting card and floral industries. Let your students practice averages, percents, and large numbers while they analyze the statistics on Mother’s Day spending. You could even…
How big is a coronavirus cell? How big is a micron? How well do these masks protect against the virus? What can you observe about the size of particles mentioned? Why are we wearing masks?
Students interpret the graph relating draft pick number and contract value. They consider how much being selected earlier or later, either by a few picks or rounds effects a player’s earnings and if players should really be concerned with where in the order they are selected.
15 activities that support recycling, conserving resources, studying climate change and protecting our planet.
Biggest losses since 2008 – The Dow is measured in points but this decline can also be measured in the percentage lost. Which way was the Dow being measured when this headline was produced? Which method makes more sense? Wasn’t the initial value of the Dow much lower in 2008?
6 activities about Easter and Passover. Ratios, statistics, fractions and number sense. Candy galore.
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.
A Danish market found an interesting way to limit hoarding of hand sanitizer. How much are these costs in your currency? What is the unit price on these bottles? By how much (what percent) was the price increased? Is this…
