What should your child know by age 3?

By age 3, a child should be able to speak in simple sentences and have a vocabulary of around 200-1,000 Words. They should recognize common shapes and colors, understand basic concepts like big and small, and follow simple directions. Socially, they should be able to engage in parallel play, show a range of emotions, and begin to express empathy. Additionally, they should have basic self-care skills, such as washing hands and dressing with assistance.