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tags: ratios

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Monarch's are flying south again
Algebra Math and Science Ratio and Proportion Data and probability
In mid-August and early September, the Monarch butterflies begin their annual migration south to more moderate climates to hibernate and overwinter. It is an incredibly long migration and fa...
reading charts ratios 3.MD 7.EE 8.EE 6th 7th 8th HS 5th 4th 6.RP.A 7.RP.A HSN conservation climate change MP4

How much pee is in this pool?
Number Sense Geometry Math and Science Funny Wow factor
After chlorination, it has been hard to measure the quantity of pollutants in pool water.  A Canadian chemist, Xing-Fang Li, has found a marker for urine that chlorine doesn't disguise....
Data and Probability 5.MD 6th 7th 5th 4th 4.MD.C 7.G.B 6.G.A 6.RP.A 7.RP.A unit ratio G.G.C ratios of volume Volume pee

How big of a crepe can you make?
Algebra Number Sense Geometry Math and Food Ratio and Proportion
At Costco you can buy this huge tub of nutella.  It contains nearly 7 pounds of chocolaty-hazelnut spread. We use nutella to make banana/nutella crepes.  How long will that tub last u...
proportions diameter ratios 6.RP 6.G 6th 7th 8th 5th 7.G.B circles HSG 9th circle area 8.G.C nutella

Holiday shipping
Algebra Holidays and Annual Events Ratio and Proportion Data and probability
Now that the shopping season has begun, it's time to get the packages to your homes.  Two big companies take care of a lot of that shipping.  How do they manage that? The mechanis...
percents holiday 6.RP.3 ratios 5.NBT.7 5.NBT 7.EE.3 7.EE 6th 7th 5th networks MP4 shipping UPS FedEx on time delivery

Spicy hot chocolate for the Dia de los Muertos
Algebra Number Sense Math and Food Holidays and Annual Events Current events Ratio and Proportion
  The Day of the Dead is always on the first and second of November.  Life and death are part of the natural cycle of life and the Dia de los Muertos honors that cycle.   Peppe...
ratios MP1 MP2 5.MD.1 6.RP.A 7.RP.A MP4 proportional reasoning total cost Dia de los muertas

That's a big tomato!
Algebra Number Sense Geometry Math and Food Ratio and Proportion
These Aussi tomatoes (the tomato on the left of all of the tomatoes) are huge.   How much do you guess one weighs? Can you figure it out?
Data and Probability ratios 6.RP 7.RP 6th 7th 8th HS HSG HSG.GMD 8.G.C HSG.MG

USPS needs help!
Algebra Number Sense Math and Social Studies Current events Data and probability
The U.S. Postal Service has been in the news lately.  Does it seem like your mail takes longer to reach where you have sent it now?  Do you wonder why there are delays and whether things w...
5.NBT 6.NS 4.MD 5.MD 6.RP 6.SP 5.OA 6th 7th 8th HS 5th 4.OA unit ratios trends 7.RP.A 4.NBT USPS

How should I cook my turkey?
Algebra Number Sense Math and Food Holidays and Annual Events
Should I oven bake it, deep fry it or barbecue and smoke it?  When do I have to wake up to begin preparations? How long will the cooking take?  How much will it cost?  How ma...
Data and Probability Recipe 6.RP.3 ratios Thanksgiving 5.NBT.7 7.NS.3 6.NS.3 4.MD.2 6th 7th 5th 4th 4.MD.1 7.RP.A unit ratio pounds per person Turkey cooking

Bears Ears revisited
Math and Social Studies Current events Data and probability
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

Boeing 787 draws an airplane over the United States
Number Sense Geometry Ratio and Proportion
Recently, pilots of a Boeing 787 testing a new set of Rolls Royce engines, fulfilled their FAA required long-distance endurance requirement in an unusual way. The Boeing pilots decided to have ...
ratios MP1 6th 7th 8th HS HSG HSN-Q 8.G.B MP5 7.G.A 7.EE.B Scale drawings
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