Tiny vacuum with a huge reach
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.
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Sadly, Jorge passed away yesterday.
He was a great dog! We wondered how old he was in human years?
Jorge has been part of YummyMath for a long time. Sadly, yesterday he died. We wondered how old he would ...
Microns and Masks
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Stock Market headlines - Biggest losses since 2008
Algebra
Number Sense
Math and Social Studies
Current events
Ratio and Proportion
Data and probability
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The Dow is measured in points but this decline can also be measured in the percentage lost. W...
World record Snickers Bar
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...
Mixing colors with food dye
It's time to dye eggs!
What do you wonder about these recipes (See the activity) for coloring?
What would happen if I used the wrong recipe (i.e. cake mix instead of egg dying) for co...
Hoarding stopped!
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...
Pascal coloring and modular math
In this activity students have the opportunity to color as they investigate Pascal's triangle and the many useful patterns that it shows. The triangle is explored for patterns, coloring...
Is there much of a difference between 99.9% or 99.999%?
Use our present need for cleanliness to engage your students.
Does it really matter whether you kill 99.9% of the bacteria or 99.999% of the germs?
In this activity, we'v...
Which gasoline is the cheapest?
When Brian traveled to Crete last summer with his wife and son on an Archaeological dig, buying gasoline for his small rental car got him wondering again.
He was pretty g...