Iowa State University Extension

Learn about physical, mental, and social and emotional development of children. The Ages and Stages publications provide information geared to the specific age of a child from 1 month to 11 years.

• Ages and Stages: 1-12 Months -  English  |   Spanish
• Ages and Stages: 12-18 Months -  English  |   Spanish
• Ages and Stages: 18-24 Months -  English  |   Spanish
• Ages and Stages: 2-Year-Olds - English  |   Spanish
• Ages and Stages: 3-Year-Olds - English  |  Spanish
• Ages and Stages: 4-Year-Olds -  English  |  Spanish
• Ages and Stages: 5-Year-Olds -  English  |  Spanish
• Ages and Stages: 6-8 Years -  English  |  Spanish
• Ages and Stages: 9-11 Years - English  |  Spanish
• Ages and Stages: Children and Sleep -  English 

The publications linked on this site are pdf files. For more information about pdf files or to download a free copy of Adobe Reader, please consult the pdf help section.