Miss Li has to walk1500m from home to school. She has walked 800 meters. How many meters does she have to walk?
700 meters. You can calculate it by subtraction, so you have to go 1500-800=700 meters. Subtraction is a mathematical method of subtracting one number or quantity from another. School (English: school) refers to an organization in which educators systematically carry out educational activities for the educated in a planned and organized way.