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Big gulp
Big gulp

Do you or your students love sugary drinks? What if it were against the law to order a large sugary drink where you lived? On September 13th, 2012...

Algebra Number Sense Grades 5–7
Cicada swarmaggedon
Cicada swarmaggedon

Most of the life cycle of the Magicicada Septendecim is spent underground. Then at 17 year intervals, these cicadas emerge from the ground, climb deciduous trees, molt into...

Algebra Number Sense Grades 3–6
Lifespan of a meme, the Harlem Shake
Lifespan of a meme, the Harlem Shake

Five friends who skateboard and video tape made up a strange dance one afternoon and filmed it on February 2nd (look it up on youtube!). Now the whole...

Algebra Number Sense Grades 6–HS
Cruising
Cruising

There have been a lot of cruise ship mishaps and disasters this year. While these are in the news, let your students consider how these floating cities manage...

Algebra Number Sense Grades 4–7
Voyager on the edge
Voyager on the edge

The two Voyager space probes are in the news recently as they approach the edge of our solar system. Scientist can tell that the Voyager's environments are changing....

Algebra Number Sense Grades 3–7
Happy 14th B'ak'tun!
Happy 14th B'ak'tun!

Luckily, we’ve passed 12/21/2012 and the world is still here and we’ve made it into the start of the next Mayan calendar cycle ... the next B’ak’tun. The...

Number Sense Math and Science Grades 3–HS
Twinkies
Twinkies

Brian loves Twinkies and the news that Hostess is going out of business has upset him terribly. He needs his Twinkies. Twinkies last forever. Right? He's going to...

Number Sense Geometry Grades 4–6
The Fiscal Cliff - sounds scary
The Fiscal Cliff - sounds scary

We've used a graphic to help students understand what is meant by the Fiscal Cliff. Students will understand some of the terms and study the consequences of two...

Number Sense Math and Social Studies Grades 6–HS
Curiosity landed on Mars
Curiosity landed on Mars

Keep your students up on what's happening in space while analyzing Curiosity the Mars Rover's speed, the speed of a radio transmission from Mars, and the deceleration involved...

Algebra Number Sense Grades 4–7
What time is it in Cambodia?
What time is it in Cambodia?

I need help! My daughter is traveling in Cambodia and we are supposed to Skype just before her dinner time in Phnom Penh, Cambodia. What time is that...

Algebra Number Sense Grades 4–7
My Facebook IPO investment
My Facebook IPO investment

What is an IPO? Are they always good investments? Students analyze charts and data, learn a little about investing, calculate percent loss (unfortunately), and make some Facebook stock...

Number Sense Math and Social Studies Grades 5–HS
The tallest structure made of Legos
The tallest structure made of Legos

Act One: The world record for the tallest structure made of Legos was set in Seoul, South Korea. Check out this video on youtube! What other questions do...

Number Sense Math and Social Studies Grades 3–6