Do your fourth-grade math students need to learn how to multiply using an area model? This video shows upper elementary math students how to multiply using partial products, also known as multiplying using an area model or multiplying using the box method! This educational math video for kids shows multiplying 1 digit by 2 digits using the box model, multiplying 1 digit by 4 digits using partial products, and also multiplying 2 digits by 2 digits.