Investigates student recognition of shape attributes, partitioning rectangles into grids, and counting vertices prior to 3rd-grade geometry and area.

Assesses understanding of equal shares, partitioning shapes into halves, thirds, and fourths, and naming fraction parts prior to 3rd-grade fraction units.

Diagnoses readiness for 3rd-grade place value, multi-digit addition, subtraction, and estimation, based on 2nd-grade standards.