Nebraska Core Academic Content Standards
NE.MA.1.3. 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.1.3.1. Characteristics: Students will identify and describe geometric characteristics and create two- and three-dimensional shapes.
MA.1.3.1.b. Decompose circles and rectangles into two and four equal parts, using the terms “halves”, “fourths” and “quarters”, and use the phrases “half of”, “fourths of”, and “quarter of”.