### Ratio and Proportion

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#### It's almost summer now

How much water do you have to drink?   In this activity student develop formulas for calculating their water needs, learn about the effects of too little wat...

#### Will I have enough stuff?

Thursday, Aug 10th, is National S'mores Day! In my pantry I have one new box of Graham crackers, one bag of 6 full-sized Hershey bars, and one bag of marshmallows. Friends are meeting me at the b...

#### Father's Day and Juneteenth; 3 Activities

For Father's Day (Links to different activities) Thank you Mother and Father for all of those diapers (2015) - Students compare the cost of buying disposable vers...

#### Earth's perihelion with the Sun

Today, Wednesday, January 4th, 2023, Earth will be as close as it gets to the Sun during its orbit. Shouldn't that make this the warmest time of the year? In this activity students become fam...

#### Spider-Man continues

Spider-Man: No Way Home opened on December 17, 2021.   How much did it cost to make? How much will it gross? Is the Spider-Man phenomena a guarantee for success? How would yo...

#### Will one roll be enough?

Students can use the man or the basket as a reference as they try to approximate the size of these gifts and how much wrapping paper will actually be needed. Approximation, surface are...

#### Star Wars ... the story continues

The Rise of Skywalker will open on December 20, 2019.  How much did it cost to make?  How much will it gross? Is the Star Wars phenomena a guarantee for success?  How would you c...

#### How can Nike give away so much great stuff?

Worldwide Nike supports many teams and athletes.  They design, manufacture, and supply gear for almost every sport imaginable. How much are those give-aways worth?  Is the company going ...

#### Population Clock

How in the world does this clock conclude that there is a net gain in the United States of one person every 14 seconds? Have a little care about younger children when using this activity. T...

#### Drinks at the Fair

At the amusement park, our friend, Jason, was intrigued with this sign for drink deals. He and his family come often to the park and, during the summer when it is hot, naturally drink a lot. Whi...