Class ix

mandatory maths

A. Numbers

  • ompare and order rational numbers
  • Absolute value and opposites
  • Number lines
  • Convert between decimals and fractions
  • Convert between repeating decimals and fractions
  • Square roots
  • Cube roots
  • Sort rational and irrational numbers
  • Classify rational and irrational numbers
  • Properties of operations on rational and irrational numbers
  • Classify numbers

B. Operations

  • Add, subtract, multiply, and divide integers
  • Evaluate numerical expressions involving integers
  • Evaluate variable expressions involving integers
  • Add and subtract rational numbers
  • Multiply and divide rational numbers
  • Simplify complex fractions
  • Evaluate numerical expressions involving rational numbers
  • Evaluate variable expressions involving rational numbers

C. Ratios, rates, and proportionss

  • dentify equivalent ratios
  • Write an equivalent ratio
  • Unit rates
  • Unit prices
  • Solve proportions
  • Solve proportions: word problems
  • Scale drawings: word problems

D. Percents

  • Convert between percents, fractions, and decimals
  • Solve percent equations
  • Percent word problems
  • Percent of change
  • Percent of change: word problems
  • Percent of change: find the original amount word problems
  • Percent of a number: tax, discount, and more
  • Find the percent: tax, discount, and more
  • Multi-step problems with percents

E. Measurement

  • Convert rates and measurements: customary units
  • Convert rates and measurements: metric units
  • Unit prices with unit conversions
  • Multi-step problems with unit conversions
  • Precision
  • Greatest possible error
  • Minimum and maximum area and volume
  • Percent error
  • Percent error: area and volume

F. Geometry

  • Perimeter
  • Area
  • Area and perimeter: word problems
  • Volume
  • Surface area
  • Similar figures: side lengths and angle measures
  • Similar triangles and indirect measurement
  • Dilations and scale factors
  • Area and perimeter of similar figures
  • Area between two shapes
  • Similar solids
  • Volume and surface area of similar solids
  • Perimeter and area: changes in scale
  • Surface area and volume: changes in scale
  • Perimeter, area, and volume: changes in scale
  • Pythagorean theorem
  • Pythagorean theorem: word problems
  • Converse of the Pythagorean theorem: is it a right triangle?
  • Special right triangles

G. Coordinate planeG. Coordinate plane

  • Coordinate plane review
  • Midpoint formula: find the midpoint
  • Midpoint formula: find the endpoint
  • Distance between two points

H. Properties

  • Properties of addition and multiplication
  • Distributive property
  • Simplify variable expressions using properties
  • Properties of equality
  • Identify equivalent equations

I. Variable expressions and equations

  • Write variable expressions
  • Sort factors of variable expressions
  • Simplify variable expressions involving like terms and the distributive property
  • Identify equivalent linear expressions
  • Write variable equations
  • Does x satisfy the equation?
  • Which x satisfies an equation?
  • Solve equations using order of operations
  • Does (x, y) satisfy the equation?
  • Relate the graph of an equation to its solutions
  • Rearrange multi-variable equations

J. Solve linear equations

  • Model and solve linear equations using algebra tiles
  • Write and solve linear equations that represent diagrams
  • Solve one-step linear equations
  • Solve two-step linear equations
  • Solve advanced linear equations
  • Solve linear equations with variables on both sides
  • Solve linear equations: complete the solution
  • Find the number of solutions to a linear equation
  • Create linear equations with no solutions or infinitely many solutions
  • Solve one-step and two-step linear equations: word problems
  • Solve linear equations: mixed review

K. Single-variable linear inequalities

  • Graph inequalities
  • Write inequalities from graphs
  • Identify solutions to inequalities
  • Solve one-step linear inequalities: addition and subtraction
  • Solve one-step linear inequalities: multiplication and division
  • Solve one-step linear inequalities
  • Graph solutions to one-step linear inequalities
  • Solve two-step linear inequalities
  • Graph solutions to two-step linear inequalities
  • Solve advanced linear inequalities
  • Graph solutions to advanced linear inequalities
  • Graph compound inequalities
  • Write compound inequalities from graphs
  • Solve compound inequalities
  • Graph solutions to compound inequalities
    Checkpoint skill Checkpoint: Solve linear equations and inequalities

L. Absolute value equations and inequalities

  • Solve absolute value equations
  • Graph solutions to absolute value equations
  • Solve absolute value inequalities
  • Graph solutions to absolute value inequalities

M. Matrices

  • Matrix vocabulary
  • Matrix operation rules
  • Add and subtract matrices
  • Multiply a matrix by a scalar
  • Add and subtract scalar multiples of matrices
  • Multiply two matrices
  • Properties of matrices

N. Data and graphs

  • Interpret line plots
  • Create line plots
  • Interpret histograms
  • Create histograms
  • Interpret bar graphs, line graphs, and histograms
  • Create bar graphs, line graphs, and histograms
  • Interpret circle graphs
  • Interpret stem-and-leaf plots
  • Box plots
    Checkpoint skill Checkpoint: Line plots, histograms, and box plots

O. Problem solvin

  • Word problems: mixed review
  • Word problems with money
  • Consecutive integer problems
  • Rate of travel: word problems
  • Weighted averages: word problems
    Checkpoint skill Checkpoint: Units and quantities

P. Number sequences

  • Identify arithmetic and geometric sequences
  • Arithmetic sequences
  • Geometric sequences
  • Evaluate variable expressions for number sequences
  • Evaluate recursive formulas for sequences
  • Identify a sequence as explicit or recursive
  • Write variable expressions for arithmetic sequences
  • Write variable expressions for geometric sequences
  • Write a formula for a recursive sequence
  • Convert a recursive formula to an explicit formula
  • Convert an explicit formula to a recursive formula
  • Number sequences: mixed review
    Checkpoint skill Checkpoint: Sequences

Q. Relations and functions

  1. Relations: convert between tables, graphs, mappings, and lists of points
  2. Domain and range of relations
  3. Identify independent and dependent variables
  4. Identify functions
  5. Identify functions: vertical line test
  6. Find values using function graphs
  7. Evaluate a function
  8. Evaluate a function: plug in an expression
  9. Add and subtract functions
  10. Multiply functions
  11. Find the inverse of a function
  12. Complete a function table from a graph
  13. Complete a function table from an equation
  14. Find solutions using a table
  15. Approximate solutions using a table
  16. Interpret the graph of a function: word problems
  17. Interpret functions using everyday language
    • New! Identify graphs: word problems
  18. Rate of change: tables
  19. Rate of change: graphs
    Checkpoint skill Checkpoint: Function concepts
    Checkpoint skill Checkpoint: Average rate of change
    Checkpoint skill Checkpoint: Solve equations using graphs and table

R. Piecewise-defined functions

  • Evaluate piecewise-defined functions
  • Graph piecewise-defined functions

S. Direct and inverse variation

  • Identify proportional relationships
  • Find the constant of variation
  • Graph a proportional relationship
  • Write direct variation equations
  • Write and solve direct variation equations
  • Identify direct variation and inverse variation
  • Write inverse variation equations
  • Write and solve inverse variation equations

T. Linear functions

  • Identify linear functions from graphs and equations
  • Identify linear functions from tables
  • Find the slope of a graph
  • Find the slope from two points
  • Find a missing coordinate using slope
  • Slope-intercept form: find the slope and y-intercept
  • Slope-intercept form: graph an equation
  • Slope-intercept form: write an equation from a graph
  • Slope-intercept form: write an equation
  • Slope-intercept form: write an equation from a table
  • Slope-intercept form: write an equation from a word problem
  • Linear equations: solve for y
  • Write and solve two-variable linear equations: word problems
  • Complete a table and graph a linear function
  • Compare linear functions: graphs and equations
  • Compare linear functions: tables, graphs, and equations
  • Interpret the slope and y-intercept of a linear function
  • Write equations in standard form
  • Standard form: find x- and y-intercepts
  • Standard form: graph an equation
  • Equations of horizontal and vertical lines
  • Graph a horizontal or vertical line
  • Point-slope form: graph an equation
  • Point-slope form: write an equation
  • Point-slope form: write an equation from a graph
  • Find the slope and intercepts from an equation
  • Slopes of parallel and perpendicular lines
  • Write an equation for a parallel or perpendicular line
  • Transformations of linear functions

U. Two-variable linear inequalities

  • Does (x, y) satisfy the inequality?
  • Linear inequalities: solve for y
  • Graph a two-variable linear inequality
  • Write a linear inequality from a graph
  • Write two-variable inequalities: word problems
  • Is (x, y) a solution to the system of linear inequalities?
  • Solve systems of linear inequalities by graphing

V. Systems of linear equations

  • Is (x, y) a solution to the system of equations?
  • Solve a system of equations by graphing
  • Solve a system of equations by graphing: word problems
  • Find the number of solutions to a system of equations by graphing
  • Find the number of solutions to a system of equations
  • Classify a system of equations by graphing
  • Classify a system of equations
  • Solve a system of equations using substitution
  • Solve a system of equations using substitution: word problems
  • Solve a system of equations using elimination
  • Solve a system of equations using elimination: word problems
  • Solve a system of equations using augmented matrices
  • Solve a system of equations using augmented matrices: word problems
  • Solve a system of equations using any method
  • Solve a system of equations using any method: word problems
    Checkpoint skill Checkpoint: Systems of equations and inequalities
    Checkpoint skill Checkpoint: Represent constraint

W. Exponents

  • Exponents with integer bases
  • Exponents with decimal and fractional bases
  • Negative exponents
  • Multiplication with exponents
  • Division with exponents
  • Multiplication and division with exponents
  • Power rule
  • Evaluate expressions using properties of exponents
  • Identify equivalent expressions involving exponents I
  • Identify equivalent expressions involving exponents II
  • Evaluate integers raised to positive rational exponents
  • Evaluate integers raised to rational exponents
  • Multiplication with rational exponents
  • Division with rational exponents
  • Power rule with rational exponents
  • Simplify expressions involving rational exponents

X. Scientific notation

  • Convert between standard and scientific notation
  • Compare numbers written in scientific notation
  • Add and subtract numbers written in scientific notation
  • Multiply numbers written in scientific notation
  • Divide numbers written in scientific notation

Y. Exponential functions

  • Evaluate an exponential function
  • Graph exponential functions
  • Match exponential functions and graphs I
  • Match exponential functions and graphs II
  • Domain and range of exponential functions: graphs
  • Domain and range of exponential functions: equations
    • New! Write exponential functions: word problems
  • Exponential growth and decay: word problems
  • Compound interest: word problems

Z. Monomials

  • Identify monomials
  • Multiply monomials
  • Divide monomials
  • Multiply and divide monomials
  • Powers of monomials

AA. Polynomials

  • Polynomial vocabulary
  • Model polynomials with algebra tiles
  • Add and subtract polynomials using algebra tiles
  • Add and subtract polynomials
  • Add polynomials to find perimeter
  • Multiply a polynomial by a monomial
  • Multiply two binomials using algebra tiles
  • Multiply two binomials
  • Multiply two binomials: special cases
  • Multiply polynomials using area models
  • Multiply polynomials
  • Multiply polynomials to find area
    Checkpoint skill Checkpoint: Polynomial operations

BB. Factoring

  • GCF of monomials
  • Factor out a monomial
  • Factor quadratics using algebra tiles
  • Factor quadratics with leading coefficient 1
  • Factor quadratics with other leading coefficients
  • Factor quadratics: special cases
  • Factor by grouping
  • Factor using a quadratic pattern
  • Factor polynomials

CC. Quadratic equations

  • Characteristics of quadratic functions: graphs
  • Characteristics of quadratic functions: equations
  • Complete a function table: quadratic functions
  • Transformations of quadratic functions
  • Graph quadratic functions in vertex form
  • Solve a quadratic equation using square roots
  • Solve a quadratic equation using the zero product property
  • Solve a quadratic equation by factoring
  • Complete the square
  • Solve a quadratic equation by completing the square
  • Solve a quadratic equation using the quadratic formula
    • New! Solve quadratic equations: word problems
  • Using the discriminant
  • Write a quadratic function in vertex form
  • Graph quadratic functions in standard form
  • Match quadratic functions and graphs
    • New! Domain and range of quadratic functions: graphs
  • Domain and range of quadratic functions: equations
  • Write a quadratic function from its vertex and another point
    • New! Interpret parts of quadratic expressions: word problems
  • Solve a system of linear and quadratic equations by graphing
  • Solve a system of linear and quadratic equations
    Checkpoint skill Checkpoint: Quadratic equations
    Checkpoint skill Checkpoint: Write and interpret equivalent expressions

DD. Functions: linear, quadratic, exponential

  • Identify linear and exponential functions from graphs
  • Identify linear, quadratic, and exponential functions from graphs
  • Identify linear and exponential functions from tables
  • Identify linear, quadratic, and exponential functions from tables
  • Write linear and exponential functions: word problems
  • Write linear and exponential functions from tables
  • Write linear, quadratic, and exponential functions from tables
  • Linear functions over unit intervals
  • Exponential functions over unit intervals
  • Describe linear and exponential growth and decay
  • Compare linear and exponential growth
  • Compare linear, exponential, and quadratic growth
    Checkpoint skill Checkpoint: Problem solving with equations and inequalities
    Checkpoint skill Checkpoint: Features of functions
    Checkpoint skill Checkpoint: Compare linear and exponential functions
    Checkpoint skill Checkpoint: Build functions

EE. Absolute value and function families

  • Complete a function table: absolute value functions
  • Graph an absolute value function
  • Domain and range of absolute value functions: graphs
  • Domain and range of absolute value functions: equations
  • Transformations of absolute value functions: translations and reflections
  • Transformations of absolute value functions: translations, reflections, and dilations
  • Function transformation rules
  • Translations of functions
  • Reflections of functions
  • Dilations of functions
  • Transformations of functions
  • Describe function transformations
    Checkpoint skill Checkpoint: Graph and analyze functions
    Checkpoint skill Checkpoint: Function transformations

FF. Radical expressions

  • Simplify radical expressions
  • Simplify radical expressions with variables
  • Simplify radical expressions involving fractions
  • Multiply radical expressions
  • Add and subtract radical expressions
  • Simplify radical expressions using the distributive property
  • Simplify radical expressions using conjugates
  • Simplify radical expressions: mixed review
    Checkpoint skill Checkpoint: Radicals and rational exponents

GG. Radical functions and equation

  • Evaluate square root functions
  • Domain and range of square root functions: graphs
  • Domain and range of square root functions: equations
  • Graph square root functions
  • Solve radical equations I
  • Solve radical equations II

HH. Rational functions and expressions

  • Rational functions: asymptotes and excluded values
  • Simplify rational expressions
  • Multiply and divide rational expressions
  • Divide polynomials by monomials
  • Divide polynomials using long division
  • Add and subtract rational expressions
  • Simplify mixed rational expressions
  • Solve rational equations
  • Evaluate rational expressions

II. Trigonometry

  • Trigonometric ratios: sin, cos, and tan
  • Find trigonometric ratios using a calculator
  • Inverses of trigonometric functions
  • Trigonometric ratios: find a side length
  • Trigonometric ratios: find an angle measure
  • Solve a right triangle

JJ. Sets

  • Sets, subsets, and complements
  • Set-builder notation
  • Interval notation
    • New! Unions and intersections of sets

KK. Logic

  • Identify hypotheses and conclusions
  • Counterexamples

LL. Probability

  • Theoretical probability
  • Experimental probability
  • Find probabilities using two-way frequency tables
  • Find conditional probabilities using two-way frequency tables
  • Outcomes of compound events
  • Identify independent and dependent events
  • Probability of independent and dependent events
  • Counting principle
  • Permutations
  • Permutation and combination notation
    Checkpoint skill Checkpoint: Two-way frequency tables

MM. Statistics

  • Identify biased samples
  • Mean, median, mode, and range
  • Calculate quartiles and interquartile range
  • Identify an outlier
  • Identify an outlier and describe the effect of removing it
  • Mean absolute deviation
  • Variance and standard deviation
  • Interpret a scatter plot
  • Outliers in scatter plots
  • Match correlation coefficients to scatter plots
  • Calculate correlation coefficients
  • Write equations for lines of best fit
  • Find the equation of a regression line
  • Interpret regression lines
  • Analyze a regression line of a data set
  • Correlation and causation
    Checkpoint skill Checkpoint: Compare data sets
    Checkpoint skill Checkpoint: Linear modeling