Algebra

These posts help students see patterns and relationships.

Super Bowl posts and Groundhog day, 2015

Clean close shave – Brian shows a graphic that correlates facial hair to quarterback ranking and allows you to bring up sampling, causation versus correlation, misleading data, measures of central tendency, variability and data visualization Deflate-gate – Students work with a negative number…

Clean Close Shave

Take a look at the infographic.  What do you see? What do you think?  What do you wonder? In this lesson students compare QB rating of quarterbacks with and without facial hair.  This task can be used to explore a number…

Deflategate

The deflated ball controversy makes an interesting segue into negative number line understanding.  A particular digital psi football gauge reads 0 when the ball is at a proper NFL inflation of 13 psi.  Footballs inflated under 13 psi produce negative psi readings…

Typical Super Bowl scores ????

The Super Bowl is coming up!  Are you planning to share a prediction for the score of the big game?  Don’t leave it all to chance, use math to help you get a better idea of what to expect for…

Super Bowl Ads 2015

Budweiser’s “Puppy Love” commercial from Super Bowl XLIII Here’s one more Super Bowl analysis to motivate your students: 4.5 million dollars for a 30-second ad.  That is how much a one-half minute commercial will cost during the 2015 Super Bowl…

Do you have text neck?

What does looking down at your electronic device do to your breathing? To your muscles? To your spine curvature? To your pain?  It can lead to a condition called Text Neck.  To learn more about Text Neck and to kick this…

Cost of a gallon of gas

In 1950, one gallon of gasoline costs $0.27.  Today the prices are going down but are they as low as they were in 1950?  Or could $0.27 buy more in 1950? In this activity we begin to understand the relative…

The days are getting longer

What’s your guess as to how fast the number of daylight hours will change each day from now until June 21st?  Will the changes be dramatic? Will the lengthening days be only a subtle change? Students make guesses; compute how…

Losing team in the playoffs, 2015

Hey, the playoffs are about to begin.  The best teams from the leagues compete to determine the champion. Must be some really great teams! But wait, the 2014-15 Carolina Panthers made the NFL playoffs by winning the NFC South with a…

Perihelion, 2015

On Sunday, January 4, 2015, Earth will be as close as it gets to the Sun during its orbit. In this activity students become familiar with the terms perihelion and aphelion as they calculate 1 AU and the perihelion distance in miles and kilometers.…

During the winter holiday break

Money making holiday movies – Personal reflections on holiday movies while students engage in data analysis, rounding, percent increase and appropriate graphical representations Methane Math – Take a look at global warming and enjoy some flatulence humor as you calculate percentages of…

Saving Wrapping Paper?

Dr. Sara Santos is a popular mathematician and speaker on mathematics.  She has worked out a method for wrapping boxes (rectangular prisms) as efficiently as possible. (Watch the video above)  Her method was written up in this article in Mental…

Soda Santa

Happy Holidays! This Soda Santa is made up entirely of 12-pack cans of Coca-Cola products. What questions do you have? Start out the activity by giving kids 30 seconds to look at the picture and have them take a quick…

Christmas tree lights

Check out the Christmas Tree.  You are heading out to the store to get lights for the tree.  Without calculating, guess how many feet of lights you will need. What information do you need to better estimate the number of…