Oklahoma Academic Standards
OK.7.A. Algebraic Reasoning & Algebra (A)
7.A.1. Understand the concept of proportionality in real-world and mathematical situations, and distinguish between proportional and other relationships.
7.A.1.2. Recognize that the graph of a proportional relationship is a line through the origin and the coordinate (1,r), where both r and the slope are the unit rate (constant of proportionality, k).
7.A.4. Use order of operations and properties of operations to generate equivalent numerical and algebraic expressions containing rational numbers and grouping symbols; evaluate such expressions.
7.A.4.2. Apply understanding of order of operations and grouping symbols when using calculators and other technologies.