Tag: 7th

Sweetheart candies

How many dollars worth of sweetheart candies used to be sold each Valentine’s season? How much is one candy worth? After Valentine’s Day their price is reduced. How much are they worth then?

Typical Super Bowl scores

In this activity students study historical Super Bowl data to reflect on average (mean, median, and mode), losing scores, winning scores, and range of scores. They are asked to judge which of these central measurements seem the most meaningful and explain their reasoning.  

Ground Hog day

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.

Powerball, Mega Millions, and probability

Recently the Mega millions’ jackpot was won in Maine at 1.35 billion dollars.  Last year, someone won 2.04 billion dollars in Powerball.   Students examine compound probability and decide whether playing Powerball or Mega millions is worth it.

Throwing Up 2023

It’s hard to shovel new snow when you have to get your shovel-full over previous snow banks. You have to throw the snow practically straight up. Predict the arc of your shovel throw with a parabola and refine your formula by manipulating the parabolic factors.

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…

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!