CK-12 Foundation
Ck 12: Elem Math: Comparing Digit Values in Numbers Numbers to 10000
[Free Registration/Login may be required to access all resource tools.] The video describes how to determine which number has a 5 in the tens place. The video is followed by practice problems to assess student understanding of the concept.
NumberNut
Number Nut: Numbers and Counting: Greater Than 1,000
Follow the steps in the examples for place value for numbers greater than 1000 and then practice the skills with the two interactive activities.