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Green, green river
Green, green river

During the St. Patrick's Day parade in Chicago, the local plumbers union dyes the Chicago River emerald green. Students learn what PPM (parts per million) means and attempt...

Algebra Number Sense Grades 4–6
Shamrock Shake
Shamrock Shake

For Saint Patrick's Day add a little nutrition math to your celebration. In this post we look at calories, carbohydrates, sugars, fats, and proteins to decide what would...

Number Sense Math and Science Grades 4–6
Nobel prize in physics 2013
Nobel prize in physics 2013

François Englert and Peter W. Higgs François Englert and Peter W. Higgs were jointly awarded the Nobel Prize in Physics 2013 for the theory of how particles acquire...

Algebra Number Sense Grades 5–HS
Bits, bytes, and nibbles
Bits, bytes, and nibbles

Clicking on the image will show it larger. I'm not very good at understanding how large my device capacities are and how big the files that I want...

Algebra Number Sense Grades 4–HS
Father's Day blueberry surprise
Father's Day blueberry surprise

Father's Day is coming up, and there is still time to have a tiny fraction review in the guise of celebrating Father's Day. This is a short activity...

Number Sense Math and Food Grades 3–6
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
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 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
Storm cleanup
Storm cleanup

This activity could be used as an introduction to trig ratios. Students figure out the approximate length of the huge branch that I have to fell for safety...

Algebra Number Sense Grades 6–HS
Video game download
Video game download

How long will it take me to download the video game? This can be done as a 3 Act Task. To get started simply show the video and...

Algebra Number Sense Grades 4–HS
Linsanity
Linsanity

Jeremy Lin is the New York Knicks most startling player. His story is exciting in that he graduated from Harvard in 2010 and was not immediately drafted into...

Algebra Number Sense Grades 5–6