# Algebra

Here is a list of all of the skills that cover algebra! These skills are organised by class, 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!

## Class VI skills

- Q.1 Write variable expressions
- Q.2 Evaluate variable expressions
- Q.5 Write equivalent expressions using properties
- Q.8 Solve for a variable using properties of multiplication
- Q.9 Identify equivalent expressions
- R.1 Write variable equations: word problems
- R.2 Solve equations using properties
- R.3 Solve equations

## Class VII skills

- I.3 Solve equations with variable exponents
- O.6 Evaluate variable expressions for number sequences
- O.7 Write variable expressions for arithmetic sequences
- P.1 Write variable expressions
- P.2 Write variable expressions: word problems
- P.3 Evaluate linear expressions
- P.4 Evaluate multi-variable expressions
- P.5 Evaluate absolute value expressions
- P.6 Evaluate nonlinear expressions
- P.7 Identify terms and coefficients
- P.8 Sort factors of expressions
- P.11 Solve equations using properties
- P.12 Write equivalent expressions using properties
- P.13 Add and subtract like terms
- P.14 Add, subtract and multiply linear expressions
- P.15 Factors of linear expressions
- P.16 Identify equivalent linear expressions
- Q.1 Which x satisfies an equation?
- Q.2 Write an equation from words
- Q.3 Model and solve equations using algebra tiles
- Q.4 Write and solve equations that represent diagrams
- Q.5 Solve one-step equations
- Q.6 Solve two-step equations
- Q.7 Solve equations: word problems
- Q.8 Solve equations involving like terms
- Q.9 Solve equations: complete the solution

## Class VIII skills

- F.3 Solve equations with variable exponents
- F.8 Multiplication with exponents
- F.9 Division with exponents
- F.10 Multiplication and division with exponents
- F.11 Power rule
- F.18 Solve equations involving squares and square roots
- F.21 Solve equations involving cubes and cube roots
- I.2 Write equations for proportional relationships from tables
- I.5 Write equations for proportional relationships from graphs
- I.8 Interpret graphs of proportional relationships
- U.6 Evaluate variable expressions for number sequences
- U.7 Write variable expressions for arithmetic sequences
- V.1 Write variable expressions
- V.2 Write variable expressions from diagrams
- V.3 Write variable expressions: word problems
- V.4 Evaluate one-variable expressions
- V.5 Evaluate multi-variable expressions
- V.6 Evaluate absolute value expressions
- V.7 Evaluate radical expressions
- V.8 Evaluate rational expressions
- V.9 Identify terms and coefficients
- V.10 Sort factors of expressions
- V.13 Simplify variable expressions using properties
- V.14 Add and subtract like terms
- V.15 Add, subtract and multiply linear expressions
- V.16 Factors of linear expressions
- V.17 Identify equivalent linear expressions
- W.1 Which x satisfies an equation?
- W.2 Write an equation from words
- W.3 Model and solve equations using algebra tiles
- W.4 Write and solve equations that represent diagrams
- W.6 Solve one-step equations
- W.7 Solve two-step equations
- W.8 Solve multi-step equations
- W.9 Solve equations involving like terms
- W.10 Solve equations: complete the solution
- X.1 Identify monomials
- X.2 Model polynomials with algebra tiles
- X.3 Add and subtract polynomials using algebra tiles
- X.4 Add and subtract polynomials
- X.5 Add polynomials to find perimeter
- X.6 Multiply monomials
- X.7 Divide monomials
- X.8 Multiply and divide monomials
- X.9 Powers of monomials
- X.10 Square and cube roots of monomials
- X.11 Multiply polynomials using algebra tiles
- X.12 Multiply polynomials
- X.13 Multiply polynomials to find area
- Y.1 HCF of monomials
- Y.2 Factorise out a monomial
- Y.3 Factorise quadratics with leading coefficient 1
- Y.4 Factorise quadratics with other leading coefficients
- Y.5 Factorise quadratics: special cases
- Y.6 Factorise quadratics using algebra tiles
- Y.7 Factorise by grouping
- Y.8 Factorise polynomials

## Class IX skills

- B.3 Evaluate variable expressions involving integers
- B.7 Evaluate variable expressions involving rational numbers
- 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
- P.4 Rate of travel: word problems
- P.5 Weighted averages: word problems
- S.3 Graph a proportional relationship
- S.4 Write direct variation equations
- S.5 Write and solve direct variation equations
- T.1 Identify linear equations
- T.2 Find the slope of a graph
- T.3 Find the slope from two points
- T.5 Slope-intercept form: find the slope and y-intercept
- T.6 Slope-intercept form: graph an equation
- T.7 Slope-intercept form: write an equation from a graph
- T.8 Slope-intercept form: write an equation
- T.9 Slope-intercept form: write an equation from a table
- T.10 Slope-intercept form: write an equation from a word problem
- T.11 Linear equations: solve for y
- T.12 Write linear equations to solve word problems
- T.14 Write equations in standard form
- T.15 Standard form: find x- and y-intercepts
- T.16 Standard form: graph an equation
- T.17 Equations of horizontal and vertical lines
- T.18 Graph a horizontal or vertical line
- T.19 Slopes of parallel and perpendicular lines
- T.20 Write an equation for a parallel or perpendicular line
- U.4 Multiplication with exponents
- U.5 Division with exponents
- U.6 Multiplication and division with exponents
- U.7 Power rule
- Y.1 Identify monomials
- Y.2 Multiply monomials
- Y.3 Divide monomials
- Y.4 Multiply and divide monomials
- Y.5 Powers of monomials
- Z.1 Polynomial vocabulary
- Z.2 Model polynomials with algebra tiles
- Z.3 Add and subtract polynomials using algebra tiles
- Z.4 Add and subtract polynomials
- Z.5 Add polynomials to find perimeter
- Z.6 Multiply a polynomial by a monomial
- Z.7 Multiply two polynomials using algebra tiles
- Z.8 Multiply two binomials
- Z.9 Multiply two binomials: special cases
- Z.10 Multiply polynomials
- Z.11 Write a polynomial from its roots
- Z.12 Find the roots of factorised polynomials
- AA.1 HCF of monomials
- AA.2 Factorise out a monomial
- AA.3 Factorise quadratics with leading coefficient 1
- AA.4 Factorise quadratics with other leading coefficients
- AA.5 Factorise quadratics: special cases
- AA.6 Factorise quadratics using algebra tiles
- AA.7 Factorise by grouping
- AA.8 Factorise polynomials
- BB.1 Characteristics of quadratic equations
- BB.2 Complete a table: quadratic equations
- BB.3 Solve a quadratic equation using square roots
- BB.4 Solve a quadratic equation using the zero product property
- BB.5 Solve a quadratic equation by factorising
- BB.6 Solve a quadratic equation using the quadratic formula
- DD.2 Simplify rational expressions
- DD.3 Multiply and divide rational expressions
- DD.4 Divide polynomials
- DD.5 Add and subtract rational expressions
- DD.6 Solve rational equations

## Class X skills

- B.3 Evaluate variable expressions involving integers
- B.7 Evaluate variable expressions involving rational numbers
- D.1 Identify linear equations
- D.2 Find the slope of a graph
- D.3 Find the slope from two points
- D.5 Slope-intercept form: find the slope and y-intercept
- D.6 Slope-intercept form: graph an equation
- D.7 Slope-intercept form: write an equation from a graph
- D.8 Slope-intercept form: write an equation
- D.9 Slope-intercept form: write an equation from a table
- D.10 Slope-intercept form: write an equation from a word problem
- D.11 Write linear equations to solve word problems
- D.13 Write equations in standard form
- D.14 Standard form: find x- and y-intercepts
- D.15 Standard form: graph an equation
- D.16 Equations of horizontal and vertical lines
- D.17 Graph a horizontal or vertical line
- D.18 Slopes of parallel and perpendicular lines
- D.19 Write an equation for a parallel or perpendicular line
- E.1 Is (x, y) a solution to the pair of equations?
- E.2 Solve a pair of equations by graphing
- E.3 Solve a pair of equations by graphing: word problems
- E.4 Find the number of solutions to a pair of equations by graphing
- E.5 Find the number of solutions to a pair of equations
- E.6 Solve a pair of equations using substitution
- E.7 Solve a pair of equations using substitution: word problems
- E.8 Solve a pair of equations using elimination
- E.9 Solve a pair of equations using elimination: word problems
- F.1 Matrix vocabulary
- F.2 Matrix operation rules
- F.3 Add and subtract matrices
- F.4 Multiply a matrix by a scalar
- F.5 Multiply two matrices
- G.2 Evaluate variable expressions for arithmetic sequences
- G.3 Write variable expressions for arithmetic sequences
- H.1 Polynomial vocabulary
- H.2 Model polynomials with algebra tiles
- H.3 Add and subtract polynomials using algebra tiles
- H.4 Add and subtract polynomials
- H.5 Add polynomials to find perimeter
- H.6 Multiply and divide monomials
- H.7 Powers of monomials
- H.8 Multiply a polynomial by a monomial
- H.9 Multiply two polynomials using algebra tiles
- H.10 Multiply two binomials
- H.11 Multiply two binomials: special cases
- H.12 Multiply polynomials
- I.1 HCF of monomials
- I.2 Factorise out a monomial
- I.3 Factorise quadratics with leading coefficient 1
- I.4 Factorise quadratics with other leading coefficients
- I.5 Factorise quadratics: special cases
- I.6 Factorise quadratics using algebra tiles
- I.7 Factorise by grouping
- I.8 Factorise polynomials
- J.1 Characteristics of quadratic equations
- J.2 Complete a table: quadratic equations
- J.3 Solve a quadratic equation using square roots
- J.4 Solve a quadratic equation using the zero product property
- J.5 Solve a quadratic equation by factorising
- J.6 Complete the square
- J.7 Solve a quadratic equation by completing the square
- J.8 Solve a quadratic equation using the quadratic formula
- J.9 Using the discriminant
- J.10 Graph a quadratic equation
- K.2 Simplify rational expressions
- K.3 Multiply and divide rational expressions
- K.4 Divide polynomials
- K.5 Add and subtract rational expressions
- K.6 Solve rational equations
- V.2 Rate of travel: word problems
- V.3 Weighted averages: word problems

## Class XI skills

- B.3 Identify solutions to inequalities
- B.4 Solve one-step linear inequalities: addition and subtraction
- B.5 Solve one-step linear inequalities: multiplication and division
- B.6 Solve one-step linear inequalities
- B.7 Graph solutions to one-step linear inequalities
- B.8 Solve two-step linear inequalities
- B.9 Graph solutions to two-step linear inequalities
- B.10 Solve advanced linear inequalities
- B.11 Graph solutions to advanced linear inequalities
- B.14 Solve compound inequalities
- B.15 Graph solutions to compound inequalities
- B.16 Graph solutions to quadratic inequalities
- B.17 Solve quadratic inequalities
- C.7 Evaluate a function
- C.8 Evaluate a function: plug in an expression
- C.10 Complete a function table from an equation
- C.11 Interpret the graph of a function: word problems
- D.1 Find the slope of a graph
- D.2 Find the slope from two points
- D.4 Slope-intercept form: find the slope and y-intercept
- D.5 Slope-intercept form: graph an equation
- D.6 Slope-intercept form: write an equation from a graph
- D.7 Slope-intercept form: write an equation
- D.8 Slope-intercept form: write an equation from a table
- D.9 Slope-intercept form: write an equation from a word problem
- D.10 Write linear functions to solve word problems
- D.11 Complete a table and graph a linear function
- D.12 Write equations in standard form
- D.13 Standard form: find x- and y-intercepts
- D.14 Standard form: graph an equation
- D.15 Equations of horizontal and vertical lines
- D.16 Graph a horizontal or vertical line
- D.17 Slopes of parallel and perpendicular lines
- D.18 Write an equation for a parallel or perpendicular line
- E.1 Does (x, y) satisfy the inequality?
- E.2 Linear inequalities: solve for y
- E.3 Graph a linear inequality in the coordinate plane
- E.4 Linear inequalities: word problems
- E.5 Is (x, y) a solution to the system of inequalities?
- E.6 Solve systems of linear inequalities by graphing
- E.7 Solve systems of linear and absolute value inequalities by graphing
- F.1 Introduction to complex numbers
- F.2 Add and subtract complex numbers
- F.3 Complex conjugates
- F.4 Multiply complex numbers
- F.5 Divide complex numbers
- F.6 Add, subtract, multiply and divide complex numbers
- F.7 Absolute values of complex numbers
- F.8 Powers of i
- G.1 Introduction to the Argand plane
- G.2 Graph complex numbers
- G.3 Addition in the Argand plane
- G.4 Subtraction in the Argand plane
- G.5 Graph complex conjugates
- G.6 Absolute value in the Argand plane
- G.7 Midpoints in the Argand plane
- G.8 Distance in the Argand plane
- H.1 Factorise out a monomial
- H.2 Factorise quadratic polynomials
- H.3 Factorise quadratics using algebra tiles
- H.4 Factorise using a quadratic pattern
- H.5 Factorise by grouping
- H.6 Factorise sums and differences of cubes
- H.7 Factorise polynomials
- I.1 Characteristics of quadratic functions
- I.2 Complete a function table: quadratic functions
- I.3 Find a quadratic function
- I.4 Graph a quadratic function
- I.6 Solve a quadratic equation using square roots
- I.7 Solve a quadratic equation using the zero product property
- I.8 Solve a quadratic equation by factorising
- I.9 Complete the square
- I.10 Solve a quadratic equation using the quadratic formula
- I.11 Using the discriminant
- J.1 Polynomial vocabulary
- J.2 Add and subtract polynomials
- J.3 Multiply polynomials
- J.4 Divide polynomials using long division
- J.5 Divide polynomials using synthetic division
- J.6 Evaluate polynomials using synthetic division
- J.7 Solve polynomial equations
- J.8 Write a polynomial from its roots
- J.9 Find the roots of factorised polynomials
- J.10 Rational root theorem
- J.11 Complex conjugate theorem
- J.12 Conjugate root theorems
- J.14 Fundamental Theorem of Algebra
- J.15 Pascal's triangle
- J.16 Pascal's triangle and the Binomial Theorem
- J.17 Binomial Theorem I
- J.18 Binomial Theorem II
- O.1 Rational functions: asymptotes and excluded values
- O.2 Evaluate rational expressions I
- O.3 Evaluate rational expressions II
- O.4 Simplify rational expressions
- O.5 Multiply and divide rational expressions
- O.6 Add and subtract rational expressions
- O.7 Solve rational equations
- U.4 Rate of travel: word problems
- U.5 Weighted averages: word problems
- W.5 Evaluate formulas for sequences
- W.6 Write a formula for an arithmetic sequence
- W.7 Write a formula for a geometric sequence

## Class XII skills

- C.1 Divide polynomials using long division
- C.2 Divide polynomials using synthetic division
- C.3 Evaluate polynomials using synthetic division
- C.4 Write a polynomial from its roots
- C.5 Find the roots of factorised polynomials
- C.6 Rational root theorem
- C.7 Complex conjugate theorem
- C.8 Conjugate root theorems
- C.9 Descartes' Rule of Signs
- C.10 Fundamental Theorem of Algebra
- C.12 Factorise sums and differences of cubes
- C.13 Solve equations with sums and differences of cubes
- C.14 Factorise using a quadratic pattern
- C.15 Solve equations using a quadratic pattern
- C.16 Pascal's triangle
- C.17 Pascal's triangle and the Binomial Theorem
- C.18 Binomial Theorem I
- C.19 Binomial Theorem II
- D.1 Solve systems of linear inequalities by graphing
- D.2 Solve systems of linear and absolute value inequalities by graphing
- D.3 Find the vertices of a solution set
- D.4 Linear programming
- E.1 Graph solutions to quadratic inequalities
- E.2 Solve quadratic inequalities
- E.3 Graph solutions to higher-degree inequalities
- E.4 Solve higher-degree inequalities
- F.1 Matrix vocabulary
- F.2 Matrix operation rules
- F.3 Add and subtract matrices
- F.4 Multiply a matrix by a scalar
- F.5 Linear combinations of matrices
- F.6 Multiply two matrices
- F.7 Simplify matrix expressions
- F.8 Solve matrix equations
- F.9 Determinant of a matrix
- F.10 Is a matrix invertible?
- F.11 Inverse of a 2 x 2 matrix
- F.12 Inverse of a 3 x 3 matrix
- F.13 Identify inverse matrices
- F.14 Solve matrix equations using inverses
- K.1 Add and subtract complex numbers
- K.2 Complex conjugates
- K.3 Multiply and divide complex numbers
- K.4 Add, subtract, multiply and divide complex numbers
- K.5 Absolute values of complex numbers
- K.6 Powers of i
- L.1 Introduction to the Argand plane
- L.2 Graph complex numbers
- L.3 Addition in the Argand plane
- L.4 Subtraction in the Argand plane
- L.5 Graph complex conjugates
- L.6 Absolute value in the Argand plane
- L.7 Midpoints in the Argand plane
- L.8 Distance in the Argand plane
- M.1 Find the modulus and argument of a complex number
- M.2 Convert complex numbers from rectangular to polar form
- M.3 Convert complex numbers from polar to rectangular form
- M.4 Convert complex numbers between rectangular and polar form