Free Flights?
This can't be right! If my flight cost $200 and I stayed for 10 days it would be free. Right? You can kick off this activity by asking students to think about where in the...
Genres
Genres
Grade
What's with the plovers?
Cute little birds. Piping plovers are nesting on beaches along the Atlantic coast. Consequently beaches are often roped-off or closed to protect their nests and chicks. Is this conservatio...
Thank you, mother and father, for all of those diapers
Thank you Mother and Father for all of those diapers
Which is a better deal, cloth or disposable diapers? How much did you cost your parents in diapers? In the future how much could...
Growth of Facebook update
Facebook is so accepted in our world today that it is even part of nightly news broadcasts as people are noted for receiving huge numbers of likes in appreciation or interest. Mark Zuckerberg, the f...
California water measurements - chains, links, and furlongs
[caption id="attachment_17570" align="aligncenter" width="263"] Gunter's chain[/caption]
Help your students understand what they are reading or hearing about the California drought. Terms like acr...
Passover macaroons
Passover begins this year on Wednesday evening, April 5th, 2023, with a Passover seder dinner. Passover is one of the three high holidays in the Jewish religion and celebrates the Exodus of Jews f...
Movie tickets over time
How Much Will Movie Tickets Cost in the Future? - Updated!
In this investigation, Brian looks at the changes in movie ticket prices over the last 38 years. Using his scatter plot (or his data) studen...
A parametric heart ... with love
Valentine's Day is a good excuse to explore parametric equations. First students figure the coordinates of this figure using trigonometric unit triangles. Then they simplify and accelerate...
Clean Close Shave
Take a look at the infographic. What do you see? What do you think? What do you wonder?
[caption id="attachment_16099" align="aligncenter" width="420"] Image from West Coast Shaving. Clicking on ...
How much should you spend on this sale?
This activity can be used in a large range of grade levels. Your class can work on percents, linear equations or piecewise functions.
Act One: We missed the semi-annual sale but we want to get ready...