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Algebra Number Sense
   Your students have probably seen these images around and might not know why they are becoming popular for smart phone scanning ... and possibly dangerous.  Students figure out the n...

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...

Census is complete and Apportionment begins (2010)

Algebra Math and Social Studies
The 2010 U. S. Census is complete and state reapportionment is about to begin. The process of distributing the 435 Representatives appropriately to each state is a mathematically fascinating eve...


Number Sense Ratio and Proportion
Disney's animated movie, Tangled, came out in 2010. We've shown students some of the Brothers Grimm's original fairy tale along with giving them a glimpse at the physics involved in the animation of R...

Cholera in Haiti

Math and Science Math and Social Studies
On January 12th of 2010, there was a tremendous, 7.0 magnitude, earthquake in Haiti. Hundreds of thousands of people were killed or injured and a million people became homeless. Then on November 5th...

Chocolate Milk and Mixture

Algebra Math and Food
Image by FreepikChemistry experiments and algebra problems sometimes ask students to create percent mixtures or to change a mixture into a stronger or weaker solution by adding more of an...

First ipad

Number Sense
Image by catalyststuff on Freepik Use Brian's activity to analyze its costs, price per GB, and sales prediction...

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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