Two 12s or one 18?
A little more pizza fun before Pi day!
Which should we order and why? Two 12-inch pizzas or one 18-inch pizza? Which will give you more pizza? More crust? Which is the better deal? ...
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Do I have enough wrapping paper?
In this problem based activity students first guess and then try to calculate whether they will have enough paper to wrap this present without taping pieces of wrapping paper together.Consi...
Inflation and the cost of gasoline
In 1980, one gallon of gasoline costs $1.22. Today's prices are a lot higher. Is that because the price has gone up or because in 1980 you could buy a lot more than you can buy today...
The LUGE
This is one of the fastest Olympic sports. Lugers, on tiny sleds, zoom down a solid ice track at fantastic speeds, hold their bodies in an aerodynamically optimized position while fighting extre...
Beijing Olympic Schedule 2022
The Winter Olympics begins this week in Beijing.
Wikipedia had this schedule of events. We think that there is a lot of information missing and apparent in this graphic.
What can you tell, wha...
Lighting the 2022 Olympic Torch
On October 18th, 2021 the Olympic Torch was lit in Greece. It was lit without the help of a flame or a match. It was lit by concentrating the rays of our Sun. From Olympi...
The drag in swimming - More Olympics activities
To win in Olympic swimming, contestants have to be incredibly fit and have marvelous endurance and technique. Do they also need to consider the science of their motions and the...
Olympic Skateboarding
We are very excited to see skateboarding as an event in the Tokyo Olympics. Skateboarding is athletic, artistic and difficult to master. Why has it taken so long to become an Olympic ...
Operation Gratitude – Halloween candy buy back
This is a great idea! Motivate kids to get rid of all of that candy for a good cause. Operation Gratitude and dentists are encouraging healthy eating, motivated giving, an...