How often does Punxsutawney Phil get it right? Relative frequency! A cute animal will make your students smile as they calculate the relative frequency of Phil’s correct past predictions.
Ground Hog day
Tag: 6th
Lunar New Year 2023
A combination of 10 Heavenly Stems and 12 Earthly Branches, the year’s symbol creates a sequence of year names that eventually repeat. Students explore the least common multiple of these two cycles without ever hearing the term LCM.
Median age of country populations
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?
MLK and efforts towards racial justice
Timelines for the life and work of Martin Luther King Jr. – Students create one of two timelines about Martin Luther King Jr’s life or the efforts in America to create a more fair racial balance in the U.S. …
Big bucks 2023
Huge sports contracts! We often hear about big player contracts. Who makes the most per year? Per game? What sports?
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 familiar with the terms perihelion and aphelion as they calculate…
Is 2023 a special number?
What do you notice about 2023?
What is a Harshad number?
Does 2023 meet the criteria?
Big deal? Rare? Often?
The Times Square Ball
What does truncation mean? How is the Times Square Ball related to an icosahedron? Let students learn about the crystals and the LEDs that create this beautiful construction.
Beautiful mathematics
Color, measure, design, Sierpinski, spirals, Pythagorean triples, hexadecimal color codes, fractals, string design, modular math, Pascal’s triangle, Fibonacci, polyhedra, build an eclipse … Enjoy!
Before the holidays (16 activities)
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!
How many feet of lights should I buy for my tree?
In this 3-act task, your class guesses how many feet of lights you will need to light your tree. Then gather data from groups and find means or medians. Then actually calculate an estimate given tree dimensions.
Winter Solstice 2022
How is the amount of darkness now related to your location on Earth? Understanding the Winter Solstice. 7.G.3, HSG.C, HSG.GMD.4, HSG.MG.1
Three Hanukkah activities
Three great activities to play and learn about Hanukkah. Soda displays, Hebrew calendar, and relating two recipes for their healthiness.
Do I have enough wrapping paper?
In this problem based activity students first guess and then try to calculate whether they will have enough paper to wrap this present without taping pieces of wrapping paper together. I have to wrap this box. ⇒ ⇐ …
Wind chill
Students use the National Weather Service’s chart to look for patterns, make predictions, decide how many ways the wind-chill could be -22 degrees F, and compare the formula’s outcome with their chart predications.