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Green, green river
Algebra Number Sense Holidays Ratio and Proportion
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 to figure ...
Data and Probability proportion ratio percent Unit rate estimation Volume 5.MD 6.RP 6.G 7.RP 7.G 6th 7th 5th St. Patrick's Day

Which TV is the Best Deal?
Number Sense Geometry
Check out the TVs.  All have essentially the same features, only the size of the screen varies.  Which TV do you think is the best deal? Explore area and unit pricing to determine which H...
Unit rate area TV 6.RP.3 5.NBT.7 6.G.1 5.NBT.5 6th 7th 5th 4th 4.MD.3 multiplication diagonal shopping similar figure

Raising the bar
Algebra Number Sense Science Ratio and Proportion
Recovery of the treasure from the 1941 sinking of the S.S. Gairsoppa was recently completed and a huge amount of silver was brought up from the ocean floor.  Let your students get a fe...
Data and Probability percents conversion 6.RP.3 7.RP.3 7.EE.4 5.MD.1 6th 7th 5th 4th 4.NBT.4 4.MD.1 silver ingots deep-sea environment treasure 4.OA.3 Unit rate

Big gulp
Algebra Number Sense Science Food
Do you or your students love sugary drinks?  What if it were against the law to order a large sugary drink where you lived?  On September 13th, 2012 the New York City Health Department ban...
Data and Probability rates 6.RP 7.RP 7.SP large sodas healthy eating candy bar units 6th 7th 8th food Unit rate nutrition

Cruising
Algebra Number Sense Science Food Ratio and Proportion Probability and Statistics
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 their resources and which of their need...
proportion ratio measurement Unit rate Data food news 6.RP.3 7.RP.3 5.NBT.7 7.NS.3 6.NS.3 6th 7th 8th 5th MP6

Voyager on the edge
Algebra Number Sense Science Ratio and Proportion
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.  They are receiving m...
Data and Probability proportion Fractions Unit rate rates 6.RP 7.RP 8.EE 6th 7th 8th 5th 4th 4.MD.C 5.MD.A astronomy 7.RP.3 unit conversion

Twinkies
Number Sense Geometry Science 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 ...
Data and Probability percents Unit rate area nutrition rates mark up 6.RP 7.RP 5.NF 6th 7th 5th 7.G.B food

Curiosity landed on Mars
Algebra Number Sense 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...
Data and Probability ratio conversion rate 6.RP.3 deceleration 5.MD 7.RP 5.NF 6.NS.1 6th 7th 8th 5th

The tallest structure made of Legos
Number Sense Social Studies Art Ratio and Proportion 3-act tasks Probability and Statistics
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...
Data and Probability problem solving Unit rate data analysis estimation average 6.RP.3 7.NS.3 5.NBT.5 4.OA.4 6.NS.2 6th 7th 5th 4th 3-act task

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...
Data and Probability proportion ratio percent Unit rate sports 6.RP 7.RP 7.SP 6th 7th data analysis
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