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How Much is a Tweet Worth?
How Much is a Tweet Worth?

These days it seems everyone is on social media. Are you? Famous athletes and entertainers are on social media and they can make a lot of money. In...

Algebra Number Sense Grades 5–HS
Free Flights?
Free Flights?

This can't be right! If my flight cost $200 and I stayed for 10 days it would be free. Right? You can kick off this activity by asking...

Algebra Number Sense Grades 6–HS
What's with the plovers?
What's with the plovers?

Cute little birds. Piping plovers are nesting on beaches along the Atlantic coast. Consequently beaches are often roped-off or closed to protect their nests and chicks. Is this...

Algebra Number Sense Grades 6–HS
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
Growth of Facebook
Growth of Facebook

In this activity, students analyze and graph the numbers and decide if Facebook's growth in the first 20 years has been linear, exponential, meteoric, or something else. Will...

Algebra Number Sense Grades 6–HS
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
How much does a Lego cost?
How much does a Lego cost?

This is a three act task, with an activity guide. Show students the act one video. What questions do they have? How much could the Star Wars kit...

Algebra Number Sense Grades 5–6
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