North Carolina Standard Course of Study
NC.7.RP. Ratio and Proportional Relationships
Analyze proportional relationships and use them to solve real-world and mathematical problems.
NC.7.RP.2. Recognize and represent proportional relationships between quantities.
NC.7.RP.2.b. Identify the unit rate (constant of proportionality) within two quantities in a proportional relationship using tables, graphs, equations, and verbal descriptions.
NC.7.RP.2.c. Create equations and graphs to represent proportional relationships.
NC.7.EE. Expressions and Equations
Solve real-world and mathematical problems using numerical and algebraic expressions, equations, and inequalities.
NC.7.EE.4. Use variables to represent quantities to solve real-world or mathematical problems.
NC.7.EE.4.a. Construct equations to solve problems by reasoning about the quantities.
NC.7.EE.4.a.2. Compare an algebraic solution to an arithmetic solution, identifying the sequence of the operations used in each approach.