It's almost 2025
🎉As the new year approaches, this activity invites students to explore unique number categories related to 2025. What’s a Harshad number? A Pernicious number? A Tetrahedra...
Any time math
Genres
Grade
Is 2024 a special number?
Image by dashu83 on Freepik
Students are introduced to some esoteric number categories as they check out the various descriptors of this year's date. What's a Harshad number? What's a...
Will I pay less if I buy more?
image designed by macrovector / Freepik
This activity can be used in a large range of grade levels. Your class can work on percents, ...
What is a quantum dot?
Algebra
Number Sense
Geometry
Math and Science
Current events
Ratio and Proportion
Wow factor
Any time math
In this activity, students work through the nomenclature to understand the possibilities of nano science and quantum dots. Questions that are answered; How many nanometers are in a millime...
Leslie's Yummy Pumpkin Pie
Every year more and more people come to our house on Thanksgiving morning for my (Leslie's)famous pumpkin pie and a hike in the nearby woods. This year 23 people have already accepted. How man...
Heating with wood - What's a cord?
Do you know what a cord of wood looks like? What size stack is that? What's a thrown stack? What's the dog's name that is standing in front of the wood? How long can I heat my house with that much fue...
More Population Pyramids
Algebra
Number Sense
Math and Social Studies
Ratio and Proportion
Data and probability
Any time math
The population pyramid above shows the distribution of the World by ages and sex for each continent. How can that information help you put your vision of the world in better perspective? &nb...
Huge Alaskan Vegetables
The annual Alaskan State Fair has just been completed. As usual, there were some amazingly big vegetables that won the agriculture prizes.
Evidently, even though the growing season in Alaska is s...
Lego Fireman +
At the Toys R Us store, we saw an amazing LEGO creation. Â He was a life-sized LEGO fireman with a walkie-talkie, an oxygen tank and even an oxygen...
The Moroccan Earthquake and the Richter scale
Friday evening, September 8th, a powerful 6.8 magnitude earthquake hit Morocco southwest of Marrakech.
What does a 6.8 magnitude earthquake mean? How powerful was that...