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Tags: 8.F, 4.NF, 5.NBT.4, MP7, HSG.MG.2,
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Coronavirus trends
Algebra Math and Science Math and Social Studies Current events Data and probability
Johns Hopkins University of Medicine has a team that maintains current maps and data about the Coronavirus.  They record changes and show trends of the virus activity throughout the World. Enjo...
percents MP2 MP3 MP7 HSS.IC 7th 8th HS 6.SP.B 6.RP.A 7.RP.A 8.SP.A 7.SP.A MP4 HSMD population density Coronavirus

I bought toilet paper online
Algebra Number Sense Geometry Ratio and Proportion Funny
We needed more toilet paper at home but there wasn't any at the store. So, I ordered this online.  When it came I was surprised.  Read on ...
7.G 6th 7th 8th 5th 6.G.A 6.RP.A 7.RP.A 5.MD.C relative size

Leslie's socially-distanced party

Algebra Geometry Math and Science
I risked infecting my friends or becoming infected myself by throwing a very small socially-distanced party.  I served baked appetizers, disinfectant wipes, and latex gloves.  I cooked whi...
trigonometry 5.MD 6.G 7.G 8.G 6th 7th 8th HS 5th HSG HSF.TF separation social distance

May 27th launch from the U.S. again
Geometry Math and Science Math and Social Studies Current events
May 27 scrubbed because of weather. Successfully launched Saturday, May 30th, 3:22 pm EDT.  Dragon is on the way to the ISS now. Wednesday, May 27th will be a momentous day for space tr...
NASA 5.MD 7.G 6th 7th 8th HS 5th 6.G.A launch SpaceX

Fish tale, go figure!
Algebra Geometry 3-act tasks
I have two fish in my aquarium.  Betty is my white goldfish. She often stays really close to the front wall as she swims towards her food. Stripe, my clownfish, usually swims diagonally a...
Pythagorean Theorem 3-d shapes 8.G.7 8th HS HSG-SRT.C.8 3-act task 3-d Pythagorean Theorem 8.G.A.4 trigonometry

Tiny vacuum with a huge reach
Algebra Number Sense Geometry 3-act tasks
From the vacuum description and advertisement in the PDF, how long do you think its cord must be? Thanks to Brian Shoemaker, Newton, MA teacher, for the idea and pictures.
MP.1 MP.3 MP.4 MP.2 6th 7th 8th HS 7.G.B 8.G.B HSM circle area HSG.MG HSG.C trigonometry angles

Microns and Masks
Algebra Number Sense Math and Science Math and Social Studies Current events Ratio and Proportion
  How big is one coronavirus? How big is a micron? How well do these masks protect against the virus? What can you observe about the size of particles mentioned? Why are we wearing masks?
5.NBT 4.MD 5.MD 6.RP 6th 7th 8th HS 5th 4th 4.NBT relative sizes Coronavirus micron nanomicron

Stock Market headlines - Biggest losses since 2008
Algebra Number Sense Math and Social Studies Current events Ratio and Proportion Data and probability
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

World record Snickers Bar
Algebra Number Sense Geometry Math and Food Ratio and Proportion
  In late January, workers at the Mars Wrigley plant in Waco, Texas created this giant Snickers Bar. It won a spot in The Guinness Book of Records as the World's largest Snicker's Bar. Wh...
6.RP.2 6.RP.3 7.RP.2 7.G.1 6th 7th 8th similarity cross section

Hoarding stopped!
Current events Ratio and Proportion Data and probability
  A Danish market found an interesting way to limit hoarding of hand sanitizer. How much are these costs in your currency? What is the unit price on these bottles...
percent increase 7.EE 6th 7th 8th HS monetary conversion unit pricing 6.RP.A 7.RP.A Coronavirus
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