Try this Sol-fa worksheet with your class.
Once your students know this song using the Curwen hand signs, have them work out the sol-fa using this interactive tool..
This file is taken from the "Spring Is Here" Kit and can also be found in the "Spring Is Here" Sol-fa Pack.
You will require Microsoft PowerPoint for this file. It can be used on both WIN and MAC platforms.
Kindly review this activity. Many thanks.