When we are in school we practice counting everyday. Here are some the songs we use.
Try to sing them everyday to continue to develop your counting skills.
This is counting to 100 https://www.youtube.com/watch?v=0TgLtF3PMOc
This is counting in 10s https://www.youtube.com/watch?v=uYRTtwZGwj8
This is counting in 5s https://www.youtube.com/watch?v=_awKlEMyleA
This is counting in 2s https://www.youtube.com/watch?v=GvTcpfSnOMQ
This is counting back from 20 https://www.youtube.com/watch?v=ShqXL-zfLxY