The Earth is the planet we live on. The Earth holds all life forms, and provides us with the important things we need to survive such as food, air and water. However, humans don’t always repay the planet with kindness. Pollution, water wastage and global warming are just some of the ways we harm the planet. Teach your kids that there are some ways we can help Mother Earth to heal and thrive. Ask them if they can give you some examples on their own, and then solve the subtraction problems to find ways to help keep the Earth healthy. Check the correct answers.