### Ratio and Proportion

We found 30 post available for you

#### 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...

#### Veterans Day, 2023

On Veterans Day we honor the men and women that have served in the Armed Forces of the United States.  There are now 16.2 million living veterans. We found these maps that show where veterans liv...

#### How many Americans (and their pets) participate in Halloween?

Surveys show that more and more people are involved in and spending on Halloween activities. If the percent of Americans participating continues at this pace and the population continues to grow at ...

#### Memorial Day 2023

This Monday, Americans will celebrate Memorial Day.  Who are we honoring?  How did the holiday come about?  Isn't Memorial Day usually on May 30th? Students...

#### The 8th billion baby

How fast is the world's population growing? Will the world's population size increase indefinitely?  Are all countries' populations increasing at the same rate? What are some of the...

#### Earth Day (April 22) Actions for Our Planet

<a href="https://www.freepik.com/free-photo/watercolor-textured-blue-background_15559582.htm#fromView=search&page=1&position=22&uuid=5c957d6a-8767-4ae9-9522-cdefcf4825b7">Image by ra...

#### Just some March Madness math

Today, March 12th, is selection Sunday. Tomorrow we'll know how the college basketball teams are seeded and bracketology can begin. Introduce your students to the meaning and excitement of March ...

#### Ground Hog day

On GroundHog Day (February 2nd), Punxsutawney Phil will again, with great ceremony, come out of his burrow and look for his shadow.  Let your students check out the relative frequency of hi...

#### Powerball, Mega Millions, and probability

Updated! Powerball and Mega Million jackpots are growing all the time.  Having a chance of winning 1.6 BILLION dollars might be a good context that engages your students.    ...

#### Median age of country populations

Interesting map! Why median? What are the implications?     https://statisticstimes.com/demographics/countries-by-median-age.php Demography is the study of populations. Scientist...