Students learn about the source of the peace sign. They play with semaphore images to design their own logo. They investigate the number of semaphore signals that could be created with two flags. World peace is promoted.
Students get a visual and geometric understanding of the measurements and shapes of a cord of wood while using the relative size of a ruler in various images.
The population pyramid above shows the distribution of the World by ages and sex for each continent. How can that information help you put your vision of the world in better perspective?
Updated ! The MLE – Major League Eating is a World organization that oversees speed eating contests. Entrants to the various competitions must be members of the MLE in order to compete. One of…
How long would it take you to double your invested money. Students look at different percent rates and calculate (and realize) how long doubling takes.
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 factors affecting this growth?
The middle of April is a busy and interesting time. We have 6 timely activities to try in your classes.
The distribution of a population’s age and gender data can tell you a lot about a society’s history, current situation, and future. What do you see happening here? The activity: PopulationGraphics.pdf
The median age of countries is used to predict the future needs of each country. What are the ramifications of a predominately young population or a predominantly older population, Why do scientists use the median measurement to study this?
We have tons (well, 16) of activities to bring to your class in this last week before the holiday break. Movies, science, art, cooking, economics, weather and the logic of calendars. Enjoy!
The World Cup of Soccer begins November 20, 2022. We have two different activities involving the logic of setting up a fair draw and the number of matches that each team may have to play.
Probably most of us have heard of and even used hexadecimal color codes. Don’t you wonder why their number descriptions really make sense? In this activity we first ask students to color in our Golden Spiral by giving them the…
Act 1 – Give students time to view the game board above or give them our one-page activity. The above picture is larger when you click on it. Ask students for their gut reaction about which slot would give them…
Rich Strike surprised everyone at the Kentucky Derby horse race in early May by moving from 18th place at the half-way mark (out of 20 horses) to winning the race. Churchill Downs, the track in Kentucky where the race took place, paid out $81 for every dollar that was bet for Rich Strike to win. How do they figure that?
The Winter Olympics begins this week in Beijing.
Wikipedia had this schedule of events. We think that there is a lot of information missing and apparent in this graphic. What can you tell and what would you like to know?