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How much water should you be drinking?
How much water should you be drinking?

As we are outdoors more and temperatures are rising, it might be a good time to look at hydration. A healthy requirement for fluids can't really be the...

Algebra Science Grades 4–HS
How fast will my new puppy mature?
How fast will my new puppy mature?

Dudley , born 11/10/2019 Dudley has just come to live with us. He is just a puppy and he is full of energy. He's settling in well even...

Algebra Number Sense Grades 5–HS
Really stuffed!
Really stuffed!

Wow, these cookies look really stuffed! How much more "stuffed" are they compared to Triple Double Oreos, Double Stuf Oreos or even Original Oreos. Does this look yummy...

Algebra Number Sense Grades 4–HS
String design, ellipses, and orbital mechanics
String design, ellipses, and orbital mechanics

Here's a different and somewhat artistic way to encourage understanding of a conic section. Participants physically build an ellipse by choosing two foci and sketching the figure through...

Number Sense Geometry Grades 6–HS
I bought toilet paper online
I bought toilet paper online

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 ...

Algebra Number Sense Grades 4–7
Sadly, Jorge passed away yesterday.
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....

Algebra Number Sense Grades 3–6
Microns and Masks
Microns and Masks

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...

Algebra Number Sense Grades 3–HS
Stock Market headlines - Biggest losses since 2008
Stock Market headlines - Biggest losses since 2008

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...

Algebra Number Sense Grades 5–HS
World record Snickers Bar
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...

Algebra Number Sense Grades 5–7
What is with this chart?
What is with this chart?

A fellow teacher, Laura Deschaines , saw this chart on the news the other night. What do you notice? Does anything seem amiss? What should it look like?...

Algebra Number Sense
Mixing colors with food dye
Mixing colors with food dye

I t' s t i m e t o d y e e g g s ! What do you wonder about these recipes (See the activity) for...

Number Sense Math and Food Grades 4–6
Hoarding stopped!
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...

Current events Ratio and Proportion Grades 5–HS