Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Comparing Digit Values in Numbers Numbers to 10000

For Students 2nd - 4th Standards
[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.
Unit Plan
NumberNut

Number Nut: Numbers and Counting: Greater Than 1,000

For Students 2nd - 8th Standards
Follow the steps in the examples for place value for numbers greater than 1000 and then practice the skills with the two interactive activities.