: Introduced as a specific way of counting grouped units, rather than just a table to memorize.

: Students use diagrams and signs to represent abstract relationships.

: Identifying "danger zones" in writing where a sound could be represented by multiple letters.

In the second grade, the focus shifts from basic counting to the internal structure of numbers and the concept of measurement.

: Allocate more time to the introduction of a theme so students can struggle and eventually find the logic themselves.

: Using schemes to visualize the structure of a sentence. Implementation Tips for Teachers

: Use constant modeling (arrows, line segments, brackets) to keep abstract concepts visible.