Social Studies

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Cost of light bulbs (Updated)

Social Studies Ratio and Proportion
With incandescent and halogen bulbs banned since 2023, students compare CFL, LED, and Smart LED bulbs, calculate energy use in kilowatt-hours, and determine which bulb is the better deal over time.&nb...

The huge costs behind the Olympics

Algebra Social Studies Sports Ratio and Proportion Probability and Statistics
 Hosting the Olympic Games is extremely expensive. In this updated activity, students explore the cost of hosting the Olympics, what a cost overrun (percentage increase) means, and how actual Oly...

Labor Day 2025

Social Studies Holidays
 In our usual Labor Day activity (updated for 2025), students will learn about the intended meaning of Labor Day and explore the patterns behind its historical dates. They will investigate and ju...

Downside Up

Algebra Number Sense Social Studies Art 3-act tasks Wow factor
🔍 In this updated activity, students will explore patterns and formulate mathematical relationships through the Canstruction exhibit ‘Downside Up.’ Begin with the starter slides for init...

Ulmer Nest

Number Sense Geometry Social Studies
🏠In this activity, students will dive into estimation and critical thinking as they explore ‘Ulmer Nest’. It’s essential to start with the starter slides, where student...

A Glass of Sweat

Algebra Number Sense Social Studies Ratio and Proportion
What is this machine for?  Begin with the starter presentation slides to spark students' curiosity about the purpose of the machine. Then, engage them in the main activ...

How much does America spend for Mother’s Day?

Number Sense Social Studies Holidays 3-act tasks Probability and Statistics
Updated in April 2026 with new data; see the answer key.How much do we spend on Mother's Day? Use the Mother's Day event to engage your students (as a class) in approximating, reasoning, and investiga...

Veterans Day, 2023

Algebra Social Studies Holidays Current events Ratio and Proportion Probability and Statistics
This activity will be updated before October, 2026. Stay tuned!On Veterans Day we honor the men and women that have served in the Armed Forces of the United States.  There are now 16.2 million li...

Nobel Prizes

Algebra Number Sense Science Social Studies Holidays
The Nobel Prizes have just been awarded. This is the medal that is given to the winners. What do you know about the Nobel Prize?  Who do you know who has received one? Alfred Nobel was a ...

More Population Pyramids

Algebra Number Sense Social Studies Ratio and Proportion Probability and Statistics 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...
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