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 in...
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...
There's a lot of misinformation out there about the cost to consumers of CFL and LED bulbs and the savings in energy and money that could be realized.
Let your students "do the math" and realiz...
The scoring rubric for each of the Olympic events is intended to eliminate the possibility of scoring bias from the judges. Let your students learn more about the scoring of one event and deci...
Instead of asking students to just believe what you've said, why not ask them to verify your assertions? Students plot the points of the stream, perhaps map them with an equation generated b...
Students ponder the relationship between place latitudes and average January temperatures while they try to discover a correlation. Is this a linear or near linear relationship? … averaging, mis...
Mr. Mark's new little baby can make some amazingly tall streams.
Give your class a little chuckle as you introduce them to parabolic motion with this very short analysis of Mr. Mark's baby's...
Your students have probably seen these images around and might not know why they are becoming popular for smart phone scanning ... and possibly dangerous. Students figure out the n...
On Monday, the space shuttle Endeavor launched for the last time. The six astronauts on board docked this morning at the International Space Station to join the 6 astronauts and cosmonauts who l...
Image by FreepikChemistry experiments and algebra problems sometimes ask students to create percent mixtures or to change a mixture into a stronger or weaker solution by adding more of an...