What are the developmental milestones for children aged 3 to 6?
Typical milestones: by 3, children speak in short sentences, climb well and play with others; by 4, they tell simple stories, hop, draw a person with a few parts and play pretend games; by 5, they count to 10, speak clearly, hop on one foot and follow rules in games; by 6, many recognise letters and sounds, write some letters and cooperate in group play. The CDC publishes detailed milestone checklists.
What this means in practice
Milestones are averages. Children vary, and teachers should watch for patterns rather than single missed items.
Milestones by domain (age 4 to 5)
- Language: tells stories, uses future tense, knows some colours
- Cognitive: counts objects, understands same and different
- Physical: hops, catches a bounced ball, uses scissors
- Social-emotional: takes turns, likes to please friends, shows empathy
How teachers use milestones
To plan activities that stretch each child slightly, and to notice when a child may need more support or a referral.
Talking to parents about milestones
When you share observations, start with strengths, describe what you saw factually, and avoid labels or comparisons with other children. Ask what parents see at home, and agree a simple next step, such as more practice with a skill or a check-up with a paediatrician if concerns are significant. Parents are more likely to act when they feel respected and supported rather than judged.
Practical next steps
- Download the CDC milestone checklists.
- Observe children during play.
- Record progress termly.
- Discuss concerns with parents and leaders.
Common follow-up questions
Are milestones the same for all children?
No; they are averages with a range of normal.
When should I worry?
If a child loses skills or is well behind in several areas, encourage a professional check.
Sources
Course facts from APTTI's published course pages, checked 10 October 2026. Editorial policy.