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How did I graph this heart?
How did I graph this heart?

In this activity, students will use mathematical equations to create a heart shape on a coordinate plane. This activity encourages students to apply their algebra and graphing skills...

Algebra Geometry Grades 7–HS
Have a heart
Have a heart

Clicking on the image above will show the heart larger in a new window. Canstruction® is an event hosted in more than 150 countries throughout the world to...

Number Sense Geometry Grades 4–HS
Super Bowl cheesy pretzel poppers
Super Bowl cheesy pretzel poppers

Recipe courtesy of The Slow Roasted Italian A little more delicious work for the Super Bowl. Students follow a recipe that involves "cutting the cheese" block, figuring how...

Number Sense Geometry Grades 4–6
Civil rights marches, how do you count a crowd?
Civil rights marches, how do you count a crowd?

On October 16, 1995, perhaps a million black men gathered for the Million Man March on Washington. This was 32 years after Martin Luther King, Jr. gave his...

Number Sense Geometry Grades 3–HS
It's latke time
It's latke time

In Leslie's family it is traditional to eat latkes (Yiddish for little potato pancakes) at this time of year. They are fried in a lot of oil and...

Number Sense Math and Food Grades 5–6
What's wrong with this picture?
What's wrong with this picture?

We've gotten used to believing what we read or see advertised. But sometimes the clerk doesn't get the sales discount right or something seems a little off. Let...

Number Sense Geometry Grades 5–6
Fantastic Beasts - What did it cost to make?
Fantastic Beasts - What did it cost to make?

In 2001, J.K.Rowling (the author of the Harry Potter series) wrote Fantastic Beasts and Where to Find Them. The movie of this book opened on November 18th, 2016....

Ratio and Proportion Data and probability Grades 5–HS
Shrinking Toblerone
Shrinking Toblerone

New York Times photo - Credit Darren Staples/Reuters They changed it. That is so not fair ... or is it? You can check out a video news story...

Number Sense Geometry Grades 4–HS
Cheap-otle?
Cheap-otle?

mage from Chipotle. One of my favorite foods is a burrito. One of my favorite places to get a burrito is Chipotle . Their food is delicious and...

Number Sense Math and Social Studies Grades 4–7
Big Papi
Big Papi

What do you wonder? How many donuts make up this Big Papi tribute? What would be useful to help you figure this out? The following pictures that will...

Algebra Math and Food Grades 3–6
Are these really 70% off?
Are these really 70% off?

We ran into this sale online. Is that advertisement correct? Do they just want us to believe their math and not question what is really 70% off? Is...

Algebra Number Sense Grade 6
Another year of Never Ending Pasta (Updated)
Another year of Never Ending Pasta (Updated)

Updated – 2025/2026 Olive Garden again offered a $100 pass for never-ending pasta! The 21,000 patrons who quickly (in less than a minute) bought all of the passes...

Algebra Number Sense Grades 3–5