Brian can't even go to his town's spring festival without seeing math.
Let your class approximate the height or length of this ladder by using the relative size of the cars or the p...
Five friends who skateboard and video tape made up a strange dance one afternoon and filmed it on February 2nd (look it up on youtube!). Now the whole world knows them and their da...
Luckily, we’ve passed 12/21/2012 and the world is still here and we’ve made it into the start of the next Mayan calendar cycle ... the next B’ak’tun.
The ancient Mayans had an interesting...
We've used a graphic to help students understand what is meant by the Fiscal Cliff. Students will understand some of the terms and study the consequences of two upcoming scenarios.
The...
Brian Shoemaker, a Newton, MA mathematics teacher, saw this Dunkin Donuts Mazda traveling down the road.
He wondered if that size coffee cup could really have coffee in it. &nbs...
What is an IPO? Are they always good investments?
Students analyze charts and data, learn a little about investing, calculate percent loss (unfortunately), and make some Facebook stock proj...
This activity could be used as an introduction to trig ratios. Students figure out the approximate length of the huge branch that I have to fell for safety and firewood. After approximating ...
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...
WojciechSwiderski at the Polish language Wikipedia
Happy Valentine's Day!
This PDF contains four ways students can draw cardioids for Valentine's Day.
There is no solu...
This activity/post is a little different than our usual posts. We look at a particular math concept and consider how to use context, models and CCSS math practices to increase stud...