Multiply using partial products Two-digit x two-digit graphic organizer This two-digit by two-digit graphic organizer uses the grid method of partial products to multiply. It includes an example. CCSS.Math.Content.4.NBT.B.5 Multiply a whole number of up to four digits by a one-digit whole number, and multiply two two-digit numbers, using strategies based on place value and the properties of operations. Illustrate and explain the calculation by using equations, rectangular arrays, and/or area mod