Animals are masters of building homes that fit in with the natural environment. We humans can learn a lot from them! Visit a green building in Ann Arbor and look for environmentally friendly features in the buildings you see every day.
Move on a physical place value chart to help understand that in a multi-digit whole number, a digit in one place represents ten times what it represents in the place to its right.
Move on a physical place value chart to understand the "times 10" pattern.
Ecuador is the first country in the world to enshrine the “rights of nature” in its constitution—to establish that species other than humans have their own legal right to exist. And now this revolutionary concept is being put to the test.