OAS K.GM.1.3 Worksheets
OAS K.GM.1.3 (Oklahoma, Kindergarten): "Identify attributes of two-dimensional shapes using informal and formal geometric language interchangeably, such as the number of corners/vertices and the number of sides/edges." The worksheets below practice this standard. Each one is a free printable PDF with an answer key, comes in multiple versions, and can also be assigned digitally - no login or account needed.