Nebraska Core Academic Content Standards
NE.MA.2.3. GEOMETRY: Students will communicate geometric concepts and measurement concepts using multiple representations to reason, solve problems, and make connections within mathematics and across disciplines.
MA.2.3.1. Characteristics: Students will identify and describe geometric characteristics and create two- and three-dimensional shapes.
MA.2.3.1.c. Divide circles and rectangles into two, three, or four equal parts. Describe the parts using the language of halves, thirds, fourths, half of, a third of, a fourth of.