The National Association for the Education of Young Children (NAEYC) has many resources to help you learn more about Developmentally Appropriate Practices.

Check out their DAP Introduction for resources for different student age groups, suggested teaching strategies, and Frequently Asked Questions: https://www.naeyc.org/resources/topics/dap.

Do you want to collaborate with your students’ family members about appropriate activities for their children?  You can find their tips for explaining DAP to families here: https://www.naeyc.org/resources/pubs/tyc/dec2016/explaining-developmentally-appropriate-practice.