How Do You Teach Two Digit Multiplication?
It is a given that students doing two digits multiplication will already know how to multiply one digit numbers. Teach two digit multiplication much like you would one digit multiplication. Students must be told that the difference is that they start with the digit on the right side of the second factor multiplying from right to left. Explain to students that they will need to do some addition after they have done the multiplication. The important thing to remember is to model every step for your students. Give students a two digit multiplication problem to do. Model how to set the problem up by writing the first factor and then writing the second factor beneath it. Have students draw a line under that second factor. Tell students to multiply the first factor by the second digit in the second factor. Model this for them by writing it out. Let students know that they will be multiplying from the right to the left. Model where they are to put the numbers. Have students write the product
