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The Power of Leverage

Number Sense Ratio and Proportion Any time math
📈 In this activity, students will explore the power—and risks—of leverage by analyzing the price movements in trading. They'll calculate percentage gains and losses, compare leveraged...

It's almost 2025

Number Sense Any time math
🎉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...

Is 2024 a special number?

Algebra Number Sense Current events Any time math
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?

Algebra Number Sense Ratio and Proportion 3-act tasks Any time math
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...

Heating with wood - What's a cord?

Algebra Number Sense Geometry Ratio and Proportion Any time math
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...

Lego Fireman +

Number Sense Geometry Math and Science Math and Art Any time math
At the Toys R Us store, we saw an amazing LEGO creation.  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

Algebra Number Sense Math and Science Current events Ratio and Proportion Any time math
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...

Little Amal walks across the United States

Algebra Number Sense Math and Social Studies Math and Art Current events Ratio and Proportion Wow factor Any time math
With our world in so much turmoil and refugees trying to survive hardships by traveling away from their homes, the story of Little Amal is powerful, timely, and touching. Of course there is a lot...
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