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How Many Donuts is That?
How Many Donuts is That?

Act One: Take a look at the first picture (Krispy-Kreme-photos). What is the first question that comes to mind? How many donuts is that? What information would be...

Number Sense Geometry Grades 3–6
California water measurements - chains, links, and furlongs
California water measurements - chains, links, and furlongs

Help your students understand what they are reading or hearing about the California drought. Terms like acre-feet, chains, and furlongs are often used to describe the volume of...

Algebra Geometry Grades 4–7
Chili Con Queso
Chili Con Queso

A ct 1: Take a look at the promo at Moe's. What is the first question that comes to mind? How much does a 42-gallon jug of Chili...

Number Sense Math and Food Grades 4–5
Which Sweet Hearts are the Best Deal?
Which Sweet Hearts are the Best Deal?

I have been doing a little shopping for Sweet Heart Candies. I came across these three deals online. Which should I select? In this activity, students determine which...

Algebra Number Sense Grades 5–6
Deflategate
Deflategate

The deflated ball controversy makes an interesting segue into negative number line understanding. A particular digital psi football gauge reads 0 when the ball is at a proper...

Algebra Number Sense Grades 5–HS
Kilauea's lava flow
Kilauea's lava flow

[caption id="attachment_15749" align="aligncenter" width="500"] Halema‘uma‘u Lights the Morning Sky - Photo taken from the overlook by the Volcano House on January 30, 2014 - NPS photo[/caption] The volcano,...

Number Sense Geometry Grades 4–7
How large a TV should I get?
How large a TV should I get?

Whether you are in middle school or high school, someday you are going to be moving out and you might need to select the right size HDTV for...

Algebra Number Sense Grades 4–6
Saffron and paella
Saffron and paella

In order to cook Paella (a delicious Spanish rice dish) I needed to buy Saffron spice. It was hugely expensive. So, I've decided to start a business of...

Algebra Number Sense Grades 4–HS
The growth of Godzilla
The growth of Godzilla

Image from Kris Holt: http://www.policymic.com/articles/76357/the-scary-way-godzilla-has-evolved-through-the-years-in-one-chart The new Godzilla movie is out at theaters. His first appearance was in 1954 when he was created in Japan and crushed Tokyo....

Algebra Number Sense Grades 4–HS
An ounce of cola
An ounce of cola

Which is more expensive; gasoline? milk? or cola? Students calculate the per ounce cost of each of these liquids in a story about a man doing errands. After...

Number Sense Math and Food Grades 4–6
The Blue Marble
The Blue Marble

April 22nd is Earth Day. Use this activity to demonstrate the various mappings of our 3-d Earth to a 2-d piece of paper. Students compare maps with this...

Geometry Math and Science Grades 5–HS
Mom's matzo ball soup
Mom's matzo ball soup

Passover is one of the three high holidays in the Jewish calendar and celebrates the Exodus of Jews from slavery in Egypt. Let your students review fractions in...

Number Sense Math and Food Grades 2–5