Losing completed work
Several of my students are experiencing a similar problem. They complete activities and the icon turns gold. It may even remain gold for several days. When they log back on, they have to redo activities before going further.
Hi! Are they sure they have to re-do before moving on? The skill "decays" from gold based on research of how often you should be exposed and practice certain words to learn a language well. However, they should be able to move on even if the unlocked skills are not golden. Please have them check this and let us know! Thanks :]