National Council of Teachers of Mathematics (NCTM) Standards 
35 
Geometry 
35.8.0 Analyze characteristics and properties of two and threedimensional geometric shapes and develop mathematical arguments about geometric relationships. 

35.8.1. identify, compare, and analyze attributes of two and threedimensional shapes and develop vocabulary to describe the attributes.

Problem Solving 

35.18.2. solve problems that arise in mathematics and in other contexts.

Connections 

35.21.1. recognize and use connections among mathematical ideas.

68 
Geometry 
68.8.0 Analyze characteristics and properties of two and threedimensional geometric shapes and develop mathematical arguments about geometric relationships. 

68.8.1. precisely describe, classify, and understand relationships among types of two and threedimensional objects using their defining properties.

68.11.0 Use visualization, spatial reasoning, and geometric modeling to solve problems. 

68.11.5. recognize and apply geometric ideas and relationships in areas outside the mathematics classroom, such as art, science, and everyday life.

Problem Solving 

68.18.2. solve problems that arise in mathematics and in other contexts.
