Category: Data and probability

President’s Pay for Presidents’ Day

The President’s have only received a pay increase 5 times in the United States. Picture it with a step graph. Calculate the actual salary using the CPI (Consumer Price Index). Do the Presidents need a raise?

Choosing the NBA All-Star team

Sunday, February 17th will be NBA All-Star game.  The two team captains are Giannis Antetokounmpo (Milwaukee Bucks) and LeBron James (Los Angeles Lakers). These guys were the vote getters among fan/media/players votes. On Thursday, Feb. 7 at the All Star Draft Show they…

Valentine’s Day (11 possibilities)

Parametric graphing, heart area, chocolate volume, making a heart-shaped cake, pie charts of holiday candy sales, how many cans in a can heart canstruction, where do all of those flowers come from, best deal on bagged candies, making a cardioid … Valentine everything!

Lunar New Year 2019 – Year of the Pig

Year of the Earth pig Lunar New Year begins on Tuesday, February 5th. This will be the year of the Earth Pig.  The year name is a combination of 10 Heavenly Stems and 12 Earthly Branches creating a sequence of…

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…

Cost of a Super Bowl ad

1993 McDonald’s Super Bowl commercial Here’s another Super Bowl analysis to motivate your students. 5 million dollars for a 30-second ad.  That is how much a one-half minute commercial will cost during the 2019 Super Bowl game.  Wonder how much it…

Bowling Deals

Clicking on this image will show it larger in a new window. Is there a general way to figure how much its going to cost you (and your friends) to go bowling? Should you pay per game?  Or bowl per…

Martin Luther King, Jr. (4 activities)

Data on the National Mall sites – Two data analysis activities about the National Mall. Who do we honor? – What people or events are included in the National Mall monuments? Students use fractions or percents to decide what they can notice…

Huge diamond found in Canada

552-carat diamond found in Diavik Mine, Northwest Territories, Canada Can you tell just how big this gem is?  Do you know how big a carat is? What would this look like on a ring on your finger?

New Horizons spacecraft just flew by a really distant asteroid

On January 1st, 2019, the New Horizons spacecraft passed close to Ultima Thule, a Kuiper Belt object that’s a billion miles beyond Pluto. That milestone marked the most distant celestial object that we have ever been able to see close-up.  In this activity student do some rate conversions to try to understand the delay in knowing that the mission was a success.

Times Square Ball Drop

Share the data in your class and ask what the numbers make your students wonder and what they can observe from the information. Happy New Year!

Winter and holiday posts (16 great activities)

Soda Santa

Winter Solstice – Students appreciate how their latitude effects the darkness of their late afternoon location as they study the earth’s tilt and the logic of daylight hours. 7.G.3, HSG.C, HSG.GMD.4, HSG.MG.1 –  Updated for 2018! Soda Santa – First students guess too…

Moneymaking holiday movies

Which movie do you think is the highest grossing holiday movie of all time? Students analyze holiday movie data. They will round, estimate, compare, calculate percent increase, consider the most appropriate graphical representation and graph the data.