What’s your guess? How fast are the number of daylight hours changing each day? Are the changes dramatic or subtle? Students make guesses; compute how long, on average, the change in daylight hours should be; and finally understand the variability in our year of daylight hours.
Celebrated by 1/4th of the world’s population, Lunar New Year begins on Friday, February 12th. This will be the year of the Metal Ox. The year’s name is a combination of 10 Heavenly Stems and 12 Earthly Branches creating a…
The date of the Presidential Inauguration this year can be written in an interesting way. What do you notice? What do you wonder? Do you think that this happens often in a year?
Students use the National Weather System chart to gauge wind chill, examine the patterns that correlate increasing wind and/or decreasing temperatures, use wind chill numbers to estimate possible wind and temperature factors, and generally become familiar with this sort of interpolation and calculation.
3 Hanukkah activities; the amazing Hebrew calendar, soda menorah, and potato latkes. In the calendar activity, students look at the Hebrew calendar and appreciate the incredible mathematics involved in creating a calendar that aligns both the moon’s revolution about the Earth and the Earth’s revolution about the Sun.
What is this holiday about? Are we celebrating the start of school? New cars? The end of summer? In this short activity, students learn about the intended meaning of Labor Day as they read about its origin. For the mathematical…
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 learn a little about the history of the holiday, analyze the possibilities and patterns for when…
The official Atlantic hurricane season started on June 1 and doesn’t end until November 30th. Now Hurricane Dorian is approaching the East Coast. Encourage your students to join the conversation, knowledgeably, by using our activity. Students read about hurricane classfications and calculate…
Can you tell from its opening weekend how much the new movie, Avengers: Endgame, might earn in theaters? This activity can be used anytime and is especially timely when there is a new blockbuster movie released. We’ve left blank spaces…
Consumers in the U.S. spend a lot of money. In this activity we look at historical data to see if there are any patterns in our spending. How does our holiday spending show up in these graphs? What accounts for…
Let your students simply enjoy coloring our designs or artistically play with the whole creation of Φ designs. Simply coloring our Fibonacci patterns might allow students to ponder the Fibonacci sequence (while they learn more about its beauty) and just…
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…
The fifth Pirates of the Caribbean movie opened on Friday, May 26th. Your students might be looking forward to seeing this movie and motivated to understand the investment expenses and profit expectations. Our data and questions will help them judge this…
Passover begins this year on Friday evening, April 19th, 2019, with a Passover seder dinner. Passover is one of the three high holidays in the Jewish religion and celebrates the Exodus of Jews from slavery in Egypt. Let your students…
In order to cook Paella (a delicious Spanish rice dish) I needed to buy Saffron spice. It was hugely expensive. So, I’ve decided to start a business of growing saffron and becoming immensely wealthy.