Milestoneunknown· 4y–4.5y

Copies a triangle

Child copies a drawn triangle producing three discernible sides meeting at corners

Unknown

What the research says

Framework evidence being indexed.

Full quotes, source languages, and document links coming soon as we finish the source-evidence indexing pass.

Normative evidence

1 source back this milestone. The bars below show the age range each source covers.

This milestone4y–4.5yDenver II0mo–6y012243648607284months
Milestone windowClinical instrument
The coral bar shows this milestone's typical age window. The bars below show the age coverage of each backing source.
Denver II →

What mastery looks like

Not yet

Cannot yet child copies a drawn triangle producing three discernible sides meeting at corners

  • No observable behavior matching this construct
Emerging

Beginning to attempt child copies a drawn triangle producing three discernible sides meeting at corners with direct adult support

  • Requires significant prompting or physical guidance
Developing

Demonstrates child copies a drawn triangle producing three discernible sides meeting at corners inconsistently or in structured settings

  • Achieves with mild support
  • Inconsistent across contexts
Secure

Consistently demonstrates construct across contexts

  • Reliable performance without prompting
Reflexive

Masters construct; generalizes spontaneously

  • Applies skill spontaneously in novel situations

Activities for this (1)

physical3.7y–4.8y

Draw and Write

Parent observes early writing milestones: drawing a square without a model, copying a triangle, copying capital letters, and printing first name. Covers four fine-motor and early literacy milestones at 46-56mo.

Formal assessments

No matching assessment items indexed yet.