
MA.7.1.6. Calculate the percentage of increases and decreases of a quantity.

Algebra and Functions  MA.7.1.0 Students express quantitative relationships by using algebraic terminology, expressions, equations, inequalities, and graphs: 

MA.7.1.1. Use variables and appropriate operations to write an expression, an equation, an inequality, or a system of equations or inequalities that represents a verbal description (e.g., three less than a number, half as large as area A).

Common Core Standards  Mathematics  Grade 7  Ratios & Proportional Relationships  Analyze proportional relationships and use them to solve realworld and mathematical problems. 

MATHRPR.7.3. Use proportional relationships to solve multistep ratio and percent problems. Examples: simple interest, tax, markups and markdowns, gratuities and commissions, fees, percent increase and decrease, percent error.

