# Algebra

Here is a list of all of the skills that cover algebra! These skills are organized by grade, and you can move your mouse over any skill name to preview the skill. To start practising, just click on any link. IXL will track your score, and the questions will automatically increase in difficulty as you improve!

## Grade 5 skills

- N.3 Write numerical expressions
- R.1 Write variable expressions
- R.2 Write variable expressions: word problems
- R.3 Evaluate variable expressions
- R.4 Write variable equations: word problems
- R.5 Solve equations with whole numbers
- R.6 Find a value using two-variable equations
- R.7 Complete a table for a two-variable relationship
- R.8 Complete a table from a graph
- R.9 Graph a two-variable relationship
- R.10 Write a two-variable equation

## Grade 6 skills

- H.3 Find the missing exponent or base
- W.1 Write variable expressions
- W.2 Write variable expressions: word problems
- W.3 Evaluate variable expressions with whole numbers
- W.4 Evaluate multi-variable expressions
- W.5 Evaluate variable expressions with decimals
- W.6 Identify terms and coefficients
- W.7 Sort factors of expressions
- W.10 Solve for a variable using properties of multiplication
- W.11 Identify equivalent expressions
- X.1 Does x satisfy an equation?
- X.2 Which x satisfies an equation?
- X.3 Write an equation from words
- X.4 Model and solve equations using algebra tiles
- X.5 Write and solve equations that represent diagrams
- X.6 Solve one-step equations with whole numbers
- X.7 Solve one-step equations with decimals
- X.8 Solve one-step equations: word problems
- Y.1 Does (x, y) satisfy an equation?
- Y.2 Identify independent and dependent variables
- Y.3 Solve word problems involving two-variable equations
- Y.4 Complete a table for a two-variable relationship
- Y.5 Write a two-variable equation
- Y.6 Identify the graph of an equation

## Grade 7 skills

- K.3 Solve equations with variable exponents
- M.2 Write equations for proportional relationships from tables
- M.5 Write equations for proportional relationships from graphs
- M.7 Interpret graphs of proportional relationships
- S.6 Evaluate variable expressions for number sequences
- S.7 Write variable expressions for arithmetic sequences
- T.1 Write variable expressions
- T.2 Write variable expressions: word problems
- T.3 Evaluate linear expressions
- T.4 Evaluate multi-variable expressions
- T.5 Evaluate absolute value expressions
- T.6 Evaluate nonlinear expressions
- T.7 Identify terms and coefficients
- T.8 Sort factors of expressions
- T.11 Solve equations using properties
- T.12 Write equivalent expressions using properties
- T.13 Add and subtract like terms
- T.14 Add, subtract and multiply linear expressions
- T.15 Factors of linear expressions
- T.16 Identify equivalent linear expressions
- U.1 Which x satisfies an equation?
- U.2 Write an equation from words
- U.3 Model and solve equations using algebra tiles
- U.4 Write and solve equations that represent diagrams
- U.5 Solve one-step equations
- U.6 Solve two-step equations
- U.7 Solve equations: word problems
- U.8 Solve equations involving like terms
- U.9 Solve equations: complete the solution
- V.1 Does (x, y) satisfy the equation?
- V.2 Identify independent and dependent variables
- V.3 Solve word problems involving two-variable equations
- V.4 Complete a table for a two-variable relationship
- V.5 Write a two-variable equation
- V.6 Identify the graph of an equation
- V.7 Graph a two-variable equation
- V.8 Interpret a graph: word problems
- V.9 Write an equation from a graph using a table

## Grade 8 skills

- G.3 Solve equations with variable exponents
- G.9 Solve equations involving squares and square roots
- J.2 Write equations for proportional relationships from tables
- J.5 Write equations for proportional relationships from graphs
- J.8 Interpret graphs of proportional relationships
- V.6 Evaluate variable expressions for number sequences
- V.7 Write variable expressions for arithmetic sequences
- W.1 Write variable expressions
- W.2 Write variable expressions from diagrams
- W.3 Write variable expressions: word problems
- W.4 Evaluate one-variable expressions
- W.5 Evaluate multi-variable expressions
- W.6 Evaluate absolute value expressions
- W.7 Evaluate radical expressions
- W.8 Evaluate rational expressions
- W.9 Identify terms and coefficients
- W.10 Sort factors of expressions
- W.13 Simplify variable expressions using properties
- W.14 Add and subtract like terms
- W.15 Add, subtract and multiply linear expressions
- W.16 Factors of linear expressions
- W.17 Identify equivalent linear expressions
- X.1 Which x satisfies an equation?
- X.2 Write an equation from words
- X.3 Model and solve equations using algebra tiles
- X.4 Write and solve equations that represent diagrams
- X.6 Solve one-step equations
- X.7 Solve two-step equations
- X.8 Solve equations involving like terms
- X.9 Solve equations: complete the solution
- Y.1 Does (x, y) satisfy the linear function?
- Y.4 Complete a table for a linear function
- Y.5 Complete a table and graph a linear function
- Y.6 Graph a line from an equation
- Y.7 Interpret the graph of a linear function: word problems
- Y.8 Write a linear function from a table
- Y.9 Write linear functions: word problems

## Grade 9 skills

- B.3 Evaluate variable expressions involving integers
- B.9 Evaluate variable expressions involving rational numbers
- H.3 Simplify variable expressions using properties
- I.5 Multiplication with exponents - integral bases
- I.6 Division with exponents - integral bases
- I.7 Multiplication and division with exponents - integral bases
- I.8 Power rule - integral bases
- I.9 Multiplication with exponents - variable bases
- I.10 Division with exponents - variable bases
- I.11 Multiplication and division with exponents - variable bases
- I.12 Power rule - variable bases
- K.4 Rate of travel: word problems
- K.5 Weighted averages: word problems
- L.4 Evaluate variable expressions for number sequences
- L.5 Write variable expressions for arithmetic sequences
- L.6 Write variable expressions for geometric sequences
- M.1 Write variable expressions
- M.2 Simplify variable expressions involving like terms and the distributive property
- M.3 Identify equivalent linear expressions
- M.4 Write variable equations
- M.5 Does x satisfy the equation?
- M.6 Solve equations using order of operations
- M.7 Rearrange multi-variable equations
- N.1 Model and solve equations using algebra tiles
- N.2 Write and solve equations that represent diagrams
- N.3 Solve one-step linear equations
- N.4 Solve two-step linear equations
- N.5 Solve advanced linear equations
- N.6 Solve equations with variables on both sides
- N.7 Solve equations: complete the solution
- N.8 Find the number of solutions
- N.9 Create equations with no solutions or infinitely many solutions
- N.10 Solve linear equations: word problems
- N.11 Solve linear equations: mixed review
- O.3 Identify solutions to inequalities
- O.4 Solve one-step linear inequalities: addition and subtraction
- O.5 Solve one-step linear inequalities: multiplication and division
- O.6 Solve one-step linear inequalities
- O.7 Graph solutions to one-step linear inequalities
- O.8 Solve two-step linear inequalities
- O.9 Graph solutions to two-step linear inequalities
- O.10 Solve advanced linear inequalities
- O.11 Graph solutions to advanced linear inequalities
- Q.6 Evaluate a function
- Q.7 Evaluate a function: plug in an expression
- Q.9 Complete a function table from an equation
- Q.10 Interpret the graph of a function: word problems
- R.3 Graph a proportional relationship
- R.4 Write direct variation equations
- R.5 Write and solve direct variation equations
- S.1 Identify linear functions
- S.2 Find the slope of a graph
- S.3 Find the slope from two points
- S.5 Slope-intercept form: find the slope and y-intercept
- S.6 Slope-intercept form: graph an equation
- S.7 Slope-intercept form: write an equation from a graph
- S.8 Slope-intercept form: write an equation
- S.9 Slope-intercept form: write an equation from a table
- S.10 Slope-intercept form: write an equation from a word problem
- S.11 Linear equations: solve for y
- S.12 Write linear functions to solve word problems
- S.13 Complete a table and graph a linear function
- S.15 Write equations in standard form
- S.16 Standard form: find x- and y-intercepts
- S.17 Standard form: graph an equation
- S.18 Equations of horizontal and vertical lines
- S.19 Graph a horizontal or vertical line
- S.20 Point-slope form: graph an equation
- S.21 Point-slope form: write an equation
- S.22 Point-slope form: write an equation from a graph
- S.23 Slopes of parallel and perpendicular lines
- S.24 Write an equation for a parallel or perpendicular line
- T.1 Is (x, y) a solution to the system of equations?
- T.2 Solve a system of equations by graphing
- T.3 Solve a system of equations by graphing: word problems
- T.4 Find the number of solutions to a system of equations by graphing
- U.1 Identify monomials
- U.2 Multiply monomials
- U.3 Multiply monomials to find area
- U.4 Divide monomials
- U.5 Multiply and divide monomials
- U.6 Powers of monomials
- V.1 Polynomial vocabulary
- V.2 Model polynomials with algebra tiles
- V.3 Add and subtract polynomials using algebra tiles
- V.4 Add and subtract polynomials
- V.5 Add polynomials to find perimeter
- V.6 Multiply a polynomial by a monomial
- V.7 Multiply polynomials to find area
- V.8 Divide a polynomial by a monomial

## Grade 10 skills

- B.4 Multiplication with exponents
- B.5 Division with exponents
- B.6 Multiplication and division with exponents
- B.7 Power rule
- G.1 Model and solve equations using algebra tiles
- G.2 Write and solve equations that represent diagrams
- G.3 Solve one-step linear equations
- G.4 Solve two-step linear equations
- G.5 Solve advanced linear equations
- G.6 Solve equations with variables on both sides
- G.7 Solve equations: complete the solution
- G.8 Find the number of solutions
- G.9 Create equations with no solutions or infinitely many solutions
- G.10 Solve linear equations: word problems
- G.11 Solve linear equations: mixed review
- H.3 Identify solutions to inequalities
- H.4 Solve one-step linear inequalities: addition and subtraction
- H.5 Solve one-step linear inequalities: multiplication and division
- H.6 Solve one-step linear inequalities
- H.7 Graph solutions to one-step linear inequalities
- H.8 Solve two-step linear inequalities
- H.9 Graph solutions to two-step linear inequalities
- H.10 Solve advanced linear inequalities
- H.11 Graph solutions to advanced linear inequalities
- H.14 Solve compound inequalities
- H.15 Graph solutions to compound inequalities
- J.7 Evaluate a function
- J.8 Evaluate a function: plug in an expression
- J.10 Complete a function table from an equation
- J.11 Interpret the graph of a function: word problems
- K.3 Graph a proportional relationship
- K.4 Write direct variation equations
- K.5 Write and solve direct variation equations
- K.6 Identify direct variation and inverse variation
- K.7 Write inverse variation equations
- K.8 Write and solve inverse variation equations
- L.1 Identify linear functions
- L.2 Find the slope of a graph
- L.3 Find the slope from two points
- L.5 Slope-intercept form: find the slope and y-intercept
- L.6 Slope-intercept form: graph an equation
- L.7 Slope-intercept form: write an equation from a graph
- L.8 Slope-intercept form: write an equation
- L.9 Slope-intercept form: write an equation from a table
- L.10 Slope-intercept form: write an equation from a word problem
- L.11 Write linear functions to solve word problems
- L.12 Complete a table and graph a linear function
- L.14 Write equations in standard form
- L.15 Standard form: find x- and y-intercepts
- L.16 Standard form: graph an equation
- L.17 Equations of horizontal and vertical lines
- L.18 Graph a horizontal or vertical line
- L.19 Point-slope form: graph an equation
- L.20 Point-slope form: write an equation
- L.21 Point-slope form: write an equation from a graph
- L.22 Slopes of parallel and perpendicular lines
- L.23 Write an equation for a parallel or perpendicular line
- M.1 Is (x, y) a solution to the system of equations?
- M.2 Solve a system of equations by graphing
- M.3 Solve a system of equations by graphing: word problems
- M.4 Find the number of solutions to a system of equations by graphing
- M.5 Find the number of solutions to a system of equations
- M.6 Classify a system of equations by graphing
- M.7 Classify a system of equations
- M.8 Solve a system of equations using substitution
- M.9 Solve a system of equations using substitution: word problems
- M.10 Solve a system of equations using elimination
- M.11 Solve a system of equations using elimination: word problems
- M.12 Solve a system of equations using any method
- M.13 Solve a system of equations using any method: word problems
- N.1 Identify monomials
- N.2 Multiply monomials
- N.3 Divide monomials
- N.4 Multiply and divide monomials
- N.5 Powers of monomials
- O.1 Polynomial vocabulary
- O.2 Model polynomials with algebra tiles
- O.3 Add and subtract polynomials using algebra tiles
- O.4 Add and subtract polynomials
- O.5 Add polynomials to find perimeter
- O.6 Multiply a polynomial by a monomial
- O.7 Multiply two polynomials using algebra tiles
- O.8 Multiply two binomials
- O.9 Multiply two binomials: special cases
- O.10 Multiply polynomials
- P.1 GCF of monomials
- P.2 Factor out a monomial
- P.3 Factor quadratics with leading coefficient 1
- P.4 Factor quadratics with other leading coefficients
- P.5 Factor quadratics using algebra tiles
- P.6 Factor quadratics: special cases
- P.7 Factor by grouping
- P.8 Factor polynomials
- Q.1 Characteristics of quadratic functions
- Q.2 Complete a function table: quadratic functions
- Q.3 Solve a quadratic equation using square roots
- Q.4 Solve a quadratic equation using the zero product property
- Q.5 Solve a quadratic equation by factoring
- Q.6 Complete the square
- Q.7 Solve a quadratic equation by completing the square
- Q.8 Solve a quadratic equation using the quadratic formula
- Q.9 Using the discriminant
- S.1 Identify linear, quadratic and exponential functions from graphs
- S.2 Identify linear, quadratic and exponential functions from tables
- S.3 Write linear, quadratic and exponential functions
- T.1 Rational functions: asymptotes and excluded values
- T.3 Simplify rational expressions
- T.4 Multiply and divide rational expressions
- T.5 Divide polynomials
- T.6 Add and subtract rational expressions
- T.7 Solve rational equations

## Grade 11 skills

- B.2 Solve linear equations: word problems
- B.4 Solve absolute value equations
- B.5 Graph solutions to absolute value equations
- C.1 Graph a linear inequality in one variable
- C.2 Graph a linear inequality in the coordinate plane
- C.3 Write inequalities from graphs
- C.4 Write a linear inequality: word problems
- C.5 Solve linear inequalities
- C.6 Graph solutions to linear inequalities
- C.7 Solve absolute value inequalities
- C.8 Graph solutions to absolute value inequalities
- C.9 Graph solutions to quadratic inequalities
- C.10 Solve quadratic inequalities
- D.10 Complete a function table: absolute value functions
- D.11 Graph an absolute value function
- E.1 Is (x, y) a solution to the system of equations?
- E.2 Solve a system of equations by graphing
- E.3 Solve a system of equations by graphing: word problems
- E.4 Find the number of solutions to a system of equations
- E.5 Classify a system of equations
- E.6 Solve a system of equations using substitution
- E.7 Solve a system of equations using substitution: word problems
- E.8 Solve a system of equations using elimination
- E.9 Solve a system of equations using elimination: word problems
- E.10 Solve a system of equations using any method
- E.11 Solve a system of equations using any method: word problems
- E.12 Solve a non-linear system of equations
- F.1 Is (x, y) a solution to the system of inequalities?
- F.2 Solve systems of inequalities by graphing
- F.3 Find the vertices of a solution set
- F.4 Linear programming
- G.1 Factor monomials
- G.2 Factor quadratics
- G.3 Factor quadratics using algebra tiles
- G.4 Factor using a quadratic pattern
- G.5 Factor by grouping
- G.6 Factor sums and differences of cubes
- G.7 Factor polynomials
- H.1 Characteristics of quadratic functions
- H.2 Complete a function table: quadratic functions
- H.3 Find a quadratic function
- H.4 Graph a quadratic function
- H.6 Solve a quadratic equation using square roots
- H.7 Solve a quadratic equation using the zero product property
- H.8 Solve a quadratic equation by factoring
- H.9 Complete the square
- H.10 Solve a quadratic equation using the quadratic formula
- H.11 Using the discriminant
- J.1 Polynomial vocabulary
- J.2 Add and subtract polynomials
- J.3 Multiply a polynomial by a monomial
- J.4 Multiply two binomials
- J.5 Multiply two binomials: special cases
- J.6 Multiply polynomials
- J.7 Divide polynomials using long division
- K.12 Domain and range of radical functions
- K.13 Solve radical equations
- M.1 Rational functions: asymptotes and excluded values
- M.2 Evaluate rational expressions I
- M.3 Evaluate rational expressions II
- M.4 Simplify rational expressions
- M.5 Multiply and divide rational expressions
- M.6 Add and subtract rational expressions
- M.7 Solve rational equations
- X.5 Evaluate formulas for sequences
- X.6 Write a formula for an arithmetic sequence
- X.7 Write a formula for a geometric sequence

## Grade 12 skills

- C.3 Graph a quadratic function
- C.9 Using the discriminant
- D.1 Divide polynomials using long division
- D.2 Write a polynomial from its roots
- D.3 Find the roots of factored polynomials
- D.4 Rational root theorem
- D.5 Complex conjugate theorem
- D.6 Conjugate root theorems
- D.7 Descartes' Rule of Signs
- D.8 Fundamental Theorem of Algebra
- D.10 Factor sums and differences of cubes
- D.11 Solve equations with sums and differences of cubes
- D.12 Factor using a quadratic pattern
- D.13 Solve equations using a quadratic pattern
- D.14 Pascal's triangle
- D.15 Pascal's triangle and the Binomial Theorem
- D.16 Binomial Theorem I
- D.17 Binomial Theorem II
- E.1 Rational functions: asymptotes and excluded values
- J.2 Solve a system of equations by graphing: word problems
- J.5 Solve a system of equations using substitution: word problems
- J.8 Solve a system of equations in three variables using substitution
- J.9 Solve a system of equations in three variables using elimination
- J.10 Determine the number of solutions to a system of equations in three variables
- K.1 Solve systems of inequalities by graphing
- K.2 Find the vertices of a solution set
- K.3 Linear programming
- L.1 Graph solutions to quadratic inequalities
- L.2 Solve quadratic inequalities
- L.3 Graph solutions to higher-degree inequalities
- L.4 Solve higher-degree inequalities
- M.1 Matrix vocabulary
- M.2 Matrix operation rules
- M.3 Add and subtract matrices
- M.4 Multiply a matrix by a scalar
- M.5 Linear combinations of matrices
- M.6 Multiply two matrices
- M.7 Simplify matrix expressions
- M.8 Solve matrix equations
- M.9 Determinant of a matrix
- M.10 Is a matrix invertible?
- M.11 Inverse of a 2 x 2 matrix
- M.12 Inverse of a 3 x 3 matrix
- M.13 Identify inverse matrices
- M.14 Solve matrix equations using inverses
- R.1 Introduction to complex numbers
- R.2 Add and subtract complex numbers
- R.3 Complex conjugates
- R.4 Multiply and divide complex numbers
- R.5 Add, subtract, multiply and divide complex numbers
- R.6 Absolute values of complex numbers
- R.7 Powers of i
- S.1 Introduction to the complex plane
- S.2 Graph complex numbers
- S.3 Addition in the complex plane
- S.4 Subtraction in the complex plane
- S.5 Graph complex conjugates
- S.6 Absolute value in the complex plane
- S.7 Midpoints in the complex plane
- S.8 Distance in the complex plane
- T.1 Find the modulus and argument of a complex number
- T.2 Convert complex numbers from rectangular to polar form
- T.3 Convert complex numbers from polar to rectangular form
- T.4 Convert complex numbers between rectangular and polar form