Number Sense

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Curiosity landed on Mars

Algebra Number Sense Math and Science
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 in a "sky crane" lan...

What time is it in Cambodia?

Algebra Number Sense Geometry Math and Science
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 here in Boston?Let you students ...

My Facebook IPO investment

Number Sense Math and Social Studies
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 proj...

The tallest structure made of Legos

Number Sense Math and Social Studies Math and Art Ratio and Proportion 3-act tasks Data and probability
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 you have? Act T...

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 ...

It sure is cold out ... or is it?

Algebra Number Sense Math and Science Data and probability
Students ponder the relationship between place latitudes and average January temperatures while they try to discover a correlation. Is this a linear or near linear relationship? … averaging, mis...

Linsanity

Algebra Number Sense Sports Ratio and Proportion
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 the NBA.  At first he was...

Fast Growing Plant

Algebra Number Sense
This activity/post is a little different than are usual posts.  We look at a particular math concept and consider how to use context, models and CCSS math practices to increase stud...

The Euro and the international debt crisis

Algebra Number Sense Math and Social Studies Ratio and Proportion Data and probability
Lately the news is filled with talk of the Euro, US foreign debt, the fragility of European monetary systems, and the interdependence of all of these crisis. In this activity students become fami...

Launch of the next ISS crew

Number Sense Math and Science Ratio and Proportion Data and probability
If all goes well, the next crew of the International Space Station (the ISS) will launch on Sunday, Novemeber 13, 2011 from the  Baikonur Cosmodrome in Kazakhstan. Keep your student ...
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