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The LUGE
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...

Algebra Number Sense Grades 5–HS
Spider-Man continues
Spider-Man continues

Spider-Man: No Way Home opened on December 17, 2021 . How much did it cost to make? How much will it gross? Is the Spider-Man phenomena a guarantee...

Number Sense Ratio and Proportion Grades 3–HS
Home team advantage?
Home team advantage?

Updated! Even before your students check out the graphic below, ask them whether they think a game played at home gives their team an advantage. If so, how...

Algebra Number Sense Grades 5–6
The James Webb telescope
The James Webb telescope

 After launch, the telescope deployed on its 30-day, million-mile journey out to the second Lagrange point (L2). This video shows the deployment procedure, timeline, and location of...

Algebra Number Sense
Will one roll be enough?
Will one roll be enough?

Students can use the man or the basket as a reference as they try to approximate the size of these gifts and how much wrapping paper will actually...

Number Sense Geometry Grades 4–6
What can you tell about a snowflake?
What can you tell about a snowflake?

As a snowflake falls from the sky, its crystal grows according to the humidity and temperatures of the air that it passes through. In this activity, students interpret...

Geometry Math and Science Grades 5–HS
2 New Macy's Parade balloons
2 New Macy's Parade balloons

As the Macy's Parade returns to public viewing, here are two balloons that Macy's artists have added. Can you figure out their dimensions? Macy's give their dimensions in...

Algebra Number Sense Grades 4–HS
Shopping season already!
Shopping season already!

We used to see holiday sales right after Thanksgiving but, surprisingly, holiday shopping has already begun. Sales are advertised everywhere. Students will be able to add some understanding...

Number Sense Math and Social Studies Grades 4–7
Spicy hot chocolate for the Dia de los Muertos
Spicy hot chocolate for the Dia de los Muertos

The Day of the Dead is always on the first and second of November. Life and death are part of the natural cycle of life and the Dia...

Algebra Number Sense
I should have invested!
I should have invested!

People who have invested their money in the stock markets could have made a lot of money in recent years. Students use yearly percent increase data to decide...

Algebra Number Sense Grades 6–HS
Which sale would you rather use?
Which sale would you rather use?

In this short activity, students decide if these two sales are the same. If not, which is better? How would you explain this to someone?

Algebra Number Sense Grades 5–HS
Federal debt and deficit - What are they?
Federal debt and deficit - What are they?

What's the big deal with our national debt? Do we actually borrow money to cover our debt? If we do, imagine the interest charges? Help your students (and...

Number Sense Math and Social Studies Grades 5–HS