Here are some videos on multiplying 2 digit by 2 digit

https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-mult-div-topic/cc-4th-multiplication/v/multiplying-2-digit-numbers

Then you can do this practice exercise

https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-mult-div-topic/cc-4th-multiplication/e/multiplication_3

Here is a different video:

http://www.youtube.com/watch?v=ZD3YsWbOeA8&safe=active