How much does 1+1 equal? 2? 0? 1.414? It depends on how you do vector addition in physics! This question exploration explains definitions, how to distinguish between vectors and scalars, and gives Ss practice adding vectors in one dimension and in two dimensions.Question Exploration Routines are instructional methods that teachers can use to help a diverse student population understand a body of content information by carefully answering a critical question to arrive at a main idea answer. Stude