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Steepness and fall hiking
Algebra Number Sense Geometry Science Sports
Fall is a beautiful time of year for hiking. Many students will be walking in the woods and mountains to enjoy the colorful leaves and the cool weather outside.  Let them combine what they ...
slope Pythagorean Theorem 8.G.7 7.EE.3 HSF-IF.B.6 8.EE.5 MP1 MP2 7th 8th HS 8.EE.6 8.G.8 HSG-MG.A.1 MP6 percent change

AQI - Air Quality Index
Number Sense Science Social Studies Current events Probability and Statistics
The AQI is a measurement of how much particulate matter, dangerous ozone, carbon monoxide, nitrogen dioxide and sulfur dioxide there is in the world's atmosphere at any one time and place. This W...
scale 5.MD 6th 7th 8th HS 5th HSS-ID climate change AQI average monthly air quality parts per million concentration of pollutants mathematical modeling

December 21, 2020 - Great conjunction
Algebra Number Sense Geometry Science Current events
Right now, just after sunset, in the southwest sky, you can check out the planets of Jupiter and Saturn as they get closer and closer to each other. They are millions of miles apart but they app...
rate of change 4.MD 7.G MP3 6th 7th 8th HS 5th 4th circles MP6 apparent diameter HSG.C central angle 8.F.B HSF.IF.B astronomy

Extreme weather 2020
Number Sense Science
Because of climate change, we've been having too many extreme weather events. There have been unusual droughts and heat in the West, an increased number of hurricanes, severe flooding, and high ...
Data and Probability open number line range record cold signed numbers absolute value integer 7.SP.5 7.NS.1 7. SP.3 6th 7th 8th 5th 6.NS.5 6.NS.6 6.NS.7 integers negative numbers rational numbers weather climate change

Stock Market headlines - Biggest losses since 2008
Algebra Number Sense Social Studies Current events Ratio and Proportion Probability and Statistics
This year the Dow Jones Industrial Average made headlines as it dropped in March and April. The Dow is measured in points but this decline can also be measured in the percentage lost.  W...
6.RP 6th 7th 8th HS 7.RP.A percentage change Dow Jones relative loss

Bears Ears revisited
Social Studies Current events Probability and Statistics
There is some beautiful land in Utah that was changed last year from federally protected land to Utah overseen land.  The buttes of Bears Ears (shown above) and the surrounding territory cont...
percents reading charts ratios MP3 6th 7th 8th HS 6.RP.A 7.RP.A percent change HSS-ID.A HSF.IF.C implications history

Louisiana
Algebra Number Sense Science Social Studies Current events Ratio and Proportion
We recently watched the approach of Hurricane Barry and worried about the fate of Louisiana. After the devastation of Hurricane Katrina, what would another powerful hurricane do to this fragile ...
5.MD HSF-IF HSA-CED 6th 7th 8th HS 5th 6.RP.A 7.RP.A HSM climate change 6.GA

Should I get the Big One?
Algebra Food Ratio and Proportion
  Let your students decide if the BIG one is a fair deal.    Which size will they get?  Which size offers the most value?  Make a guess, then do the math.
Data and Probability 7.RP.2 7.RP.3 7.EE.3 7th 8th percent change

Giant iceberg breaks off from Antarctica
Science Current events Ratio and Proportion Probability and Statistics
       The crack in Antarctica's Larson C ice shelf has been growing for years (2017).  Has the speed of the rift's growth stayed about the same? increased? dec...
MP1 MP2 8.F 6th 7th 8th HS HSF 6.RP.A 7.RP.A climate change Antarctica iceberg weather extremes Unit rate Earth day

Measuring sea level
Algebra Number Sense Geometry Science Ratio and Proportion Probability and Statistics
What does this gizmo do? We've given students a diagram of what the interior of this mechanism contains and asked them to try to decide what its purpose must be. Then we've...
line of best fit rate of change 6.RP.3 7.RP.1 HSF-IF.B.6 MP8 6th 7th 8th HS HSS.ID.C.7 8.F.B.4 climate change Sea level rise create equations ocean topology Australian topology 8.EE.B.5

Giant iceberg
Number Sense Geometry Science Ratio and Proportion Probability and Statistics
    Ferryland, Newfoundland. JODY MARTIN / REUTERS  This giant iceberg drifted past Ferryland, Newfoundland in 2017.  It's hard to tell how large it actually is, but...
Volume 6.RP.3 7.G.1 5.MD 6.G 7.G 6th 7th 8th HS 5th 5.MD.5 HSG-MG.A.1 MP5 6.G.2 climate change 7.G.5 estimation Earth day

Alarming ice cracks on Brunt Ice Sheet in Antarctica
Algebra Number Sense Geometry Science
    A new, fast-growing ice crack is forcing the Halley VI British research station in Antarctica (shown above) to be moved.  Fear of a huge break-off from the ice sheet ...
Data and Probability ratio area rate global warming 6th 7th 8th HS 7.G.B 6.G.A 7.G.A climate change HSG/GPE.B.7 HSA/CED.A.2 HSG/SRT.A.1 HSN/Q.A.1 scale drawing scale winter
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