Which is more expensive; gasoline? milk? or cola? Students calculate the per ounce cost of each of these liquids in a story about a man doing errands. After finding the per ounce price, ...
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...
Sunday is Father's Day and there is still time to have a tiny fraction review in the guise of celebrating Father's Day.
This is a short activity that asks students to change the amounts in a bl...
Most of the life cycle of the Magicicada Septendecim is spent underground. Then at 17 year intervals, these cicadas emerge from the ground, climb deciduous trees, molt into a...
There have been a lot of cruise ship mishaps and disasters this year. While these are in the news, let your students consider how these floating cities manage their resources and which of their need...
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...
Keep your students up on what's happening in space while analyzing Curiosity the Mars Rover's speed, the speed of a radio transmission from Mars, and the deceleration involved in a "sky crane" lan...
Act One:
The world record for the tallest structure made of Legos was set in Seoul, South Korea. Check out this video on youtube!
What other questions do you have?
Act T...