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.
Students use the pictures in this activity to approximate the size of this 16 roll package of bamboo toilet paper. They use comparison ratios with our Ruth Bader Ginsburg doll to calculate the size of one roll and then calculate the size of 16 rolls. Funny activity.
This Monday Americans will celebrate Memorial Day. Who are we honoring? How did the holiday come about? Isn’t Memorial Day usually on May 30th? Students learn a little about the history of the holiday, analyze the possibilities and patterns for when…
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),…
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…
Jorge would have been 15 years old on May 5, 2020. We wondered how old that would have been in human years. Does that 7 times his dog years formula really predict all dog’s aging?
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?
This World Record Snickers Bar was created in late January at the Waco, Texas Mars Wrigley Plant. What proportions would be an accurate cross sections of this monster bar? How many Mars Wrigley workers would this feed? How are your calculations different from what was published? How must their calculations have differed from yours?
6 activities about Easter and Passover. Ratios, statistics, fractions and number sense. Candy galore.
Does this chart make sense to you? Is there something odd about it? How would you change it to make it more sensible?
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…
