Math Work Stations Chapter 6:
A majority of what we worked on in kindergarten with regard to place value happened during calendar time. Counting the days of the year, practicing tally marks, counting/trading coins, working with the hundred chart...
We did make use of ten-frames and practiced looking at teens as "ten and ___ more" for a couple of weeks. I'm sure I didn't spend nearly enough time on this concept though. I remember how difficult place value was for my first and second graders when I began teaching. It really is important to lay a good foundation during kindergarten so that they can build on this concept later. Making place value as visual and "real" as possible helps to make the idea more concrete.
Here are a couple of activities to reinforce place value...
Place Value Matching
Count and Stack 30