A person's mindset effects how they tackle a problem, handle set-backs and difficult tasks or situations. People with a growth mindset believe they can learn and develop the skills they need to succeed. Below are some resources for helping children develop a growth mindset.
Overview of Growth Mindset
Growth vs. Fixed Minset Self Talk
Start Saying Poster - from www.schoolhousedivas.blogspot.com
Praise effort over outcome and process over product.
Power of Yet Poster - from https://ncyi.org/mindsetmatters