Geometry

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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 ...

Crop circles

Algebra Geometry Math and Art
  In the travel section of our newspaper this week, Wiltshire, England was a recommended destination to see Stonehendge and crop circles  ...........  crop circles? Many of the ...

Is this possible?

Algebra Number Sense Geometry Math and Food
Brian Shoemaker, a Newton, MA mathematics teacher, saw this Dunkin Donuts Mazda traveling down the road.   He wondered if that size coffee cup could really have coffee in it. &nbs...

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 ...

Why Does it Stay in Orbit?

Algebra Geometry Math and Science
On Monday, the space shuttle Endeavor launched for the last time. The six astronauts on board docked this morning at the International Space Station to join the 6 astronauts and cosmonauts who l...

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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