Count to 20
Count forwards and backwards to 20, foundational counting skill
What the research says
Referenced across 1 developmental framework: england_nc
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.
Before this (2)
How it's taught
Daily counting practice, songs, rhymes, counting real objects
Materials: Number lines, counting objects, songs
What mastery looks like
Cannot count reliably to 20
- Loses sequence before 20
- Cannot count backwards
Counts to 20 with occasional errors
- Counts to 20 with prompting
- Struggles counting backwards
Counts to 20 independently
- Counts forwards to 20 without errors
- Can count backwards with support
Counts fluently forwards and backwards to 20
- Counts in both directions without errors
- Can start from any number
Uses counting to 20 flexibly in problem-solving
- Applies counting in various contexts
- Explains counting patterns
Formal assessments
No matching assessment items indexed yet.
Standardised assessment view
1 instrument measure this construct. The construct page shows how each one approaches it and at what age range.
View as assessment construct →