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Missouri Math Standards - 9th Grade
MathScore aligns to the Missouri Math Standards for 9th Grade. 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 Missouri Math Standards at other levels.
Number and Operations
N.1.A.09 compare and order rational and irrational numbers, including finding their approximate locations on a number lineN.2.B.09 describe the effects of operations, such as multiplication, division, and computing powers and roots on the magnitude of quantities
N.2.C.09 apply properties of exponents (including order of operations) to simplify expressions (Simplifying Algebraic Expressions 2 , Exponents Of Fractional Bases , Negative Exponents Of Fractional Bases , Multiplying and Dividing Exponent Expressions , Exponent Rules For Fractions , Roots Of Exponential Expressions , Simplifying Radical Expressions )
N.2.D.09 apply operations to real numbers, using mental computation or paper-and-pencil calculations for simple cases and technology for more complicated cases (Scientific Notation 2 , Purchases At Stores , Restaurant Bills , Commissions , Simple Interest , Compound Interest , Continuous Compound Interest , Multiplying and Dividing Exponent Expressions , Exponent Rules For Fractions )
N.3.C.09 apply all operations on real numbers (Multiplying and Dividing Exponent Expressions , Exponent Rules For Fractions , Adding and Subtracting Radical Expressions , Multiplying and Dividing Radical Expressions )
N.3.D.09 judge the reasonableness of numerical computations and their results
N.3.E.09 solve problems involving proportions (Unit Cost , Area And Volume Proportions , Solving For Angles , Proportions 1 , Proportions 2 , Distance, Rate, and Time , Train Problems )
Algebraic Relationships
A.1.B.09 generalize patterns using explicit function and recursive notation defined functionsA.1.C.09 compare and contrast various forms of representations of patterns
A.1.D.09 understand and compare the properties of linear and exponential functions including intercepts (Nonlinear Functions )
A.1.E.09 describe the effects of parameter changes on linear functions
A.2.A.09 use symbolic algebra to represent and solve problems that involve linear relationships, including absolute value and recursive relationships
A.2.B.09 describe and use algebraic manipulations, including factoring and rules of integer exponents (Absolute Value 1 , Absolute Value 2 , Absolute Value Equations , Trinomial Factoring , Binomial Fraction Simplification , Polynomial Fraction Simplification , Exponents Of Fractional Bases , Negative Exponents Of Fractional Bases )
A.2.C.09 use and solve equivalent forms of equations and inequalities (linear) (Single Variable Equations , Single Variable Equations 2 , Single Variable Equations 3 , Single Variable Inequalities )
A.2.D.09 use and solve systems of linear equations with 2 variables (System of Equations Substitution , System of Equations Addition )
A.3.A.09 identify quantitative relationships and determine the type(s) of functions that might model the situation to solve the problem
A.4.A.09 analyze linear functions by investigating rates of change and intercepts
Geometric and Spatial Relationships
G.1.A.09 solve problems involving angle relationships (supplementary, complementary angles) and Pythagorean Theorem (Triangle Angles , Triangle Angles 2 , Pythagorean Theorem , Solving For Angles , Angle Measurements , Angle Measurements 2 )G.1.B.09 apply geometric properties and relationships, such as similarity, to solve multi-step problems in 2 dimensions (Proportions 2 )
G.2.A.09 solve problems related to two-dimensional objects by finding the distance on a Cartesian plane (Line Segments )
G.3.A.09 represent translations, reflections, rotations, and dilations of objects in the coordinate plane
G.3.B.09 translate and reflect linear functions
G.4.A.09 draw and use vertex and edge graphs or networks to find optimal solutions
G.4.B.09 draw or use visual models to represent and solve problems (Angle Measurements , Angle Measurements 2 , Proportions 2 )
Measurement
M.1.A.09 identify and justify appropriate units of measure for velocity (Distance, Rate, and Time )M.2.B.09 solve problems of angle measure, including those involving triangles or other polygons (Triangle Angles , Quadrilateral Angles , Triangle Angles 2 , Solving For Angles , Polygon Angles )
M.2.C.09 determine the surface area, and volume of geometric figures, including cones, spheres, and cylinders (Rectangular Solids , Rectangular Solids 2 , Triangular Prisms , Cylinders )
M.2.D.09 analyze effects of computation on precision
M.2.E.09 use unit analysis to solve problems involving rates (Unit Cost , Distance, Rate, and Time , Train Problems )
Data and Probability
D.1.A.09 formulate questions, design studies and collect data about a characteristicD.1.C.09 select, create and use appropriate graphical representation of data
D.2.A.09 apply statistical concepts to solve problems (Batting Averages )
D.2.B.09 given one-variable quantitative data, display the distribution and describe its shape
D.2.C.09 given a scatterplot, determine an equation for a line of best fit
D.3.A.09 make conjectures about possible relationships between 2 characteristics of a sample on the basis of scatter plots of the data and approximate lines of fit
D.4.A.09 construct sample spaces and distributions
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