Geometry

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Civil rights marches, how do you count a crowd?

Number Sense Geometry Math and Social Studies Holidays and Annual Events
  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 histo...

Flag Art

Number Sense Geometry Math and Social Studies Math and Art Ratio and Proportion
A little ratio art might be a fun way to get ready for the upcoming Memorial Day holiday. In this activity (Flags) students measure; create whole number ratios for the official U.S. flag; decide h...

Giant chocolate bunnies

Number Sense Geometry Math and Food Holidays and Annual Events Ratio and Proportion Data and probability
What can you deduce about these bunnies from their descriptions ... solid? hollow? cost per pound? cost per height? Anything else? For Adventurer members we have an editable Word d...

California water measurements - chains, links, and furlongs

Algebra Geometry Math and Science Ratio and Proportion
[caption id="attachment_17570" align="aligncenter" width="263"] Gunter's chain[/caption] Help your students understand what they are reading or hearing about the California drought.  Terms like acr...

HDTV Surprise!

Number Sense Geometry
  How were your holidays?  Your school vacation?  Mine was good. I surprised my family with this HDTV, which I wrapped and hung on our wall.  The size of an HDTV is determined by ...

California wildfire

Number Sense Geometry Math and Science
Wildfires are burning in the Sierra Nevada Mountains near Yosemite National Park.  In this activity we ask students to examine various maps of this California region, calculate distances us...

Twinkies

Number Sense Geometry Math and Science Math and Food Ratio and Proportion
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 ...

Storm cleanup

Algebra Number Sense Geometry Ratio and Proportion
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 and firewood. After approximating ...

Geometry of Flooding

Number Sense Geometry Math and Science
In 2010, March was so rainy that flooding was the topic of every newscast and many, many conversations. The picture shows how students went home from school in Wayland Mass. on Mar...
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