Describe shares using the words halves, fourths, and quarters, and use the phrases half of, fourth of, and quarter of.

Shape, Dimension, and Geometric Relationships

- Make claims about relationships among numbers, shapes, symbols, and data and defend those claims by relying on the properties that are the structure of mathematics
Shapes can be described by defining attributes and created by composing and decomposing

Partition circles and rectangles into two and four equal shares.