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Updated! Carbon dioxide and methane are our two most prevalent human-contributed greenhouse gases. This holstein cow is one of many huge contributors to our methane production. Let students...
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...
Father's Day is coming up, and there is still time to have a tiny fraction review in the guise of celebrating Father's Day. This is a short activity...
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...
Do you or your students love sugary drinks? What if it were against the law to order a large sugary drink where you lived? On September 13th, 2012...
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...
Brian loves Twinkies and the news that Hostess is going out of business has upset him terribly. He needs his Twinkies. Twinkies last forever. Right? He's going to...
Brian Shoemaker, a Newton, MA mathematics teache r, saw this Dunkin Donuts Mazda traveling down the road. He wondered if that size coffee cup could really have coffee...
I need help! My daughter is traveling in Cambodia and we are supposed to Skype just before her dinner time in Phnom Penh, Cambodia. What time is that...
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...
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...
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 solution for this activity...