Activities about rates

We celebrate Patriots' Day to commemorate the beginning of the Revolutionary War and the battles of Lexington and Concord. Students learn more about the difficulties of the Revolutionary...

Nematodes Grubs are killing my grass. I don't want to put poison into the ground. What can I do? There are tiny roundworms called beneficial nematodes. They can...

In order to cook Paella (a delicious Spanish rice dish) I needed to buy Saffron spice. It was hugely expensive. So, I've decided to start a business of...

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...

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...

The two Voyager space probes are in the news recently as they approach the edge of our solar system. Scientist can tell that the Voyager's environments are changing....

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...