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North Carolina Math Standards - Math A

MathScore aligns to the North Carolina Math Standards for Math A. The standards appear below along with the MathScore topics that match. If you click on a topic name, you will see sample problems at varying degrees of difficulty that MathScore generated. When students use our program, the difficulty of the problems will automatically adapt based on individual performance, resulting in not only true differentiated instruction, but a challenging game-like experience.

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View the North Carolina Math Standards at other levels.

Number and Operations

MA.N.1 Use ratios and rates to solve problems.
   MA.N.1.1 Use proportions to solve problems. (Unit Cost , Triangle Angles 2 , Solving For Angles , Proportions 2 , Distance, Rate, and Time , Mixture Word Problems , Work Word Problems )
   MA.N.1.2 Select appropriate units and explain the result based on the problem being solved. (Train Problems )

MA.N.2 Use properties of exponents to simplify expressions.
   MA.N.2.1 Represent numerical expressions with exponents in their simplest forms. (Variable Substitution 2 , Exponent Basics , Multiplying and Dividing Exponent Expressions , Exponent Rules For Fractions )
   MA.N.2.2 Represent algebraic expressions with exponents in their simplest forms. (Simplifying Algebraic Expressions , Simplifying Algebraic Expressions 2 , Variable Substitution 2 , Exponent Basics )
   MA.N.2.3 Use strategies to compute square roots and cube roots of numbers that are not perfect squares or perfect cubes. (Estimating Square Roots )

Algebra

MA.A.1 Use appropriate properties and strategies to combine and factor algebraic expressions.
   MA.A.1.1 Execute all operations with algebraic expressions (division by monomials only). (Foil Method , Binomial Fraction Simplification , Simplifying Algebraic Expressions )
   MA.A.1.2 Use associative, commutative and distributive properties to combine algebraic expressions. (Distributive Property 2 , Simplifying Algebraic Expressions )
   MA.A.1.3 Analyze quadratic expressions to determine their factors. (Trinomial Factoring )

MA.A.2 Use direct and indirect variation to solve problems.
   MA.A.2.1 Use substitution strategies to solve equations involving direct and inverse variation.
   MA.A.2.2 Use literal equations to represent direct and indirect variation.
   MA.A.2.3 Explain the effect that an increase or decrease in one variable will have on the other variables. (Independent and Dependent Variables )

MA.A.3 Analyze patterns of change in functional relationships.
   MA.A.3.1 Differentiate between linear, quadratic and exponential patterns of change.
   MA.A.3.2 Identify intervals of increase or decrease.
   MA.A.3.3 Explain the rate of increase or decrease on an interval.

MA.A.4 Understand functions based on mathematical and real-world phenomena.
   MA.A.4.1 Categorize relations as functions or "not functions".
   MA.A.4.2 Use appropriate terminology and notation (function, domain, range and intercepts) associated with functions.
   MA.A.4.3 Interpret the relationship of constants and coefficients for data presented in graphs, tables and equations. (Nonlinear Functions )
   MA.A.4.4 Represent linear functions in a variety of equivalent forms (including point-slope). (Graphs to Linear Equations 2 )
   MA.A.4.5 Use graphs, tables and symbols to solve linear equations. (Linear Equations , Single Variable Equations 2 , Single Variable Equations 3 )
   MA.A.4.6 Use tables and graphs to solve exponential equations.
   MA.A.4.7 Use graphs, tables, and properties to solve quadratic equations. (Quadratic Zero Equations , Quadratic X-Intercepts , Quadratic Formula , Integer Word Problems )

MA.A.5 Use strategies to find solutions for linear and exponential relationships.
   MA.A.5.1 Represent linear and exponential relationships in the form of models.
   MA.A.5.2 Use strategies to solve systems of linear equations in two variables, graphically and symbolically. (System of Equations Substitution , System of Equations Addition , Age Problems )
   MA.A.5.3 Use tables and graphs to solve pairs of linear inequalities in two variables.
   MA.A.5.4 Use tables and graphs to solve systems with linear and exponential inequalities.

Geometry

MA.G.1 Analyze properties of geometric shapes in the Cartesian coordinate system.
   MA.G.1.1 Use strategies to calculate the slope, distance between points, coordinates of the midpoints and the distance from a point to a line. (Line Segments , Determining Slope )
   MA.G.1.2 Use geometric properties to identify geometric shapes.

MA.G.2 Use formulas to solve problems involving area and volume.
   MA.G.2.1 Recognize examples of chord, tangent and secant in visual displays.
   MA.G.2.2 Use formulas to solve problems involving the areas of polygons. (Triangle Area , Triangle Area 2 , Parallelogram Area , Trapezoids )
   MA.G.2.3 Understand the 3:1 relationship between volumes of right circular cylinders and cones with the same height and circular base and between the volume of a prism and pyramid with the same base area and height. (Rectangular Solids , Cylinders )
   MA.G.2.4 Use formulas to solve problems involving volume of right prisms, pyramids, circular cylinders and right circular cones. (Rectangular Solids , Rectangular Solids 2 , Triangular Prisms , Cylinders )
   MA.G.2.5 Represent the relationship between the surface area of prisms, cylinders and pyramids to the sum of the area(s) of their base(s) and lateral surfaces using planar nets to illustrate and sum the relevant measures.

Statistics and Probability

MA.S.1 Analyze statistical distributions in terms of the relationships among shape, center, spread and outliers.
   MA.S.1.1 Explain the effect of an outlier on the mean, median and range of various graphical displays.
   MA.S.1.2 Compare shape, center, and spread of univariate data using graphical displays, quartiles, percentiles, outliers, means and standard deviations.

MA.S.2 Infer trends in bivariate data.
   MA.S.2.1 Use formal strategies for placement of lines of best fit to model bivariate data.
   MA.S.2.2 Infer trends in bivariate data displayed in scatter plots to determine informally if the data is best fit with a linear, exponential or quadratic model.

Discrete Mathematics

MA.D.1 Use vertex-edge graphs to route and optimize critical paths.
   MA.D.1.1 Apply the properties of vertex-edge graphs.
   MA.D.1.2 Use vertex-edge graphs and algorithmic thinking (a step-by- step plan) to model and solve problems involving efficient route, Euler Circuits, and Hamiltonian Circuits.

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