There are lots of extra ways to improve your playing even if you don't have your instrument!! Below are some links and attachments for you to use at home as extra resources! 

Violin Note Names Reference Sheet

Violin Lines & Spaces Note Naming (Exercise) 

Viola Note Names Reference Sheet

Viola Lines & Spaces Note Naming (Exercise)

Cello/Bass Note Names Reference Sheet

Cello/Bass Lines & Spaces Note Naming (Exercise)