This interactive notebook can be used in a variety of ways. Once they have mastered partial products, it is time for fourth grade to move on to the standard algorithm. This activity can help them connect the two different types of multiplication. Partial product helps students understand you are multiplying the factor by each of the digits in the number, and this interactive notebook page helps students connect partial products to the standard algorithm. It also includes the rules for multiplying 2-digit numbers by 1-digit numbers and the rules for multiplying 3-digit numbers by 1-digit numbers.