5.4. Core Content: Representations of algebraic relationships (Operations, Geometry/Measurement, Algebra)
5.4.A Describe and create a rule for numerical and geometric patterns and extend the patterns.
5.4.B Write a rule to describe the relationship between two sets of data that are linearly related.
5.6. Core Processes: Reasoning, problem solving, and communication
5.6.F Represent a problem situation using words, numbers, pictures, physical objects, or symbols.