We all live on the Earth, which provides us with the vital necessities for survival. Unfortunately, we too often take advantage of this, causing pollution, water wastage and global warming. Help teach your kids how we can protect our planet - ask them to come up with good ideas and work together to find solutions. Challenge them to solve the subtraction problems to see what they can do to help keep the Earth healthy.
Introduce your kids to the idea of a community, where different people and buildings co-exist, each playing their part for the community's progress. Ask them to name the buildings they see in their community. Then work through this worksheet to find the numbers of the addresses by answering the questions. Check the answers once they've solved the equations.