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What's with the plovers?
Algebra Number Sense Science Ratio and Proportion Probability and Statistics
Cute little birds.  Piping plovers are nesting on beaches along the Atlantic coast. Consequently beaches are often roped-off or closed to protect their nests and chicks. Is this conservatio...
Scatter Plot line of best fit data analysis average 7th 8th HS 7.RP.A 8.SP.A HSS.ID.B 7.EE.B 8.EE.C HSA.CED.A

Growth of Facebook

Algebra Number Sense Ratio and Proportion Probability and Statistics
 In this activity, students analyze and graph the numbers and decide if Facebook's growth in the first 20 years has been linear, exponential, meteoric, or something else.  Will the number of...
Scatter Plot percent Business Data exponential growth news growth factor 7.RP.3 HSS-ID.B.6 8.SP.1 8.F.4 7th 8th HS F-LE linear growth F-IF.6

California water measurements - chains, links, and furlongs
Algebra Geometry Science Ratio and Proportion
 Help your students understand what they are reading or hearing about the California drought.  Terms like acre-feet, chains, and furlongs are often used to describe the volume of the reservo...
Data and Probability 6.RP.3 5.MD 6.G 7.RP 6th 8th 5th MP6 drought acre-feet furlong chains water source

Which Sweet Hearts are the Best Deal?
Algebra Number Sense Food Holidays Ratio and Proportion
  I have been doing a little shopping for Sweet Heart Candies. I came across these three deals online.  Which should I select? In this activity, students determine which package of...
Data and Probability proportion ratio Unit rate candy 6.RP.2 6.RP.3 7.RP.2 6th 7th Valentine's Day valentine

How much does a Lego cost?
Algebra Number Sense Ratio and Proportion 3-act tasks Probability and Statistics
 This is a three act task, with an activity guide.  Show students the act one video.  What questions do they have?  How much could the Star Wars kit cost?  Follow the activity...
Data and Probability proportion mean 6.RP.2 6.RP.3 7.RP.2 6.SP.5 random sample 7.SP.2 7.SP.1 6th 7th modeling 3-act task

Saffron and paella
Algebra Number Sense Science Food
In order to cook Paella (a delicious Spanish rice dish) I needed to buy Saffron spice.  It was hugely expensive.  So, I've decided to start a business of growing saffron and becoming immen...
patterns rates 7.RP 8.SP 5.OA Excel 6th 7th 8th HS 5th profit HSS HSN food

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

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 ...
proportion ratio Pythagorean Theorem scale 7.G.1 HDTV 7.RP.3 8.G.7 7th 8th HS HSG-SRT.C.8

Nobel prize in physics 2013
Algebra Number Sense Science Ratio and Proportion
François Englert and Peter W. Higgs François Englert and Peter W. Higgs were jointly awarded the Nobel Prize in Physics 2013 for the theory of how particles acquire mass. In 1964, they...
Data and Probability mean standard deviation speed of light 6.RP 7.RP 6.SP 7.SP 6th 7th 8th HS S-ID

California wildfire
Number Sense Geometry 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...
Data and Probability measurement scale 7.G.1 ratios 7.RP.3 5.NF 6.G.1 6th 7th 8th 5th area

Bits, bytes, and nibbles
Algebra Number Sense Science Ratio and Proportion
Clicking on the image will show it larger. I'm not very good at understanding how large my device capacities are and how big the files that I want to download are in comparison.  I decid...
Data and Probability conversion 6.RP 7.RP 6.EE.1 6.EE.2 7.EE 7.SP 6th 7th 8th HS 5th 5.NBT.2 8.EE.1 making an orderly list unit ratios HS.modeling HSN-Q HSS-CP.9

Methane math
Algebra Number Sense Science Social Studies Food
   Updated!  Carbon dioxide and methane are our two most prevalent human-contributed greenhouse gases.  This holstein cow is one of many huge contributors to our methane produ...
Data and Probability percents 6.RP 7.RP 7.SP percents of percents pie charts global warming methane flatulence greenhouse gas 6th 7th 8th HS climate change Earth day
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