Skill updates

IXL is continually adding new skills and improving existing ones to offer fresh and exciting ways to practise maths and English. To accurately reflect the updated content, these curriculum enhancements may include adjustments to skill names and skill codes. Use this page to discover new skills and find old favourites!

Maths

English

Code

Name

Reciprocals and multiplicative inverses

Irrational numbers on number lines

Add, subtract, multiply and divide integers

Evaluate numerical expressions involving integers

Add and subtract rational numbers

Multiply and divide rational numbers

Evaluate numerical expressions involving rational numbers

Word problems with money

Word problems: mixed review

Write variable expressions

Evaluate variable expressions involving integers

Evaluate variable expressions involving rational numbers

Properties of addition and multiplication

Distributive property

Simplify variable expressions using properties

Simplify variable expressions involving like terms and the distributive property

Identify equivalent linear expressions

Solve equations using order of operations

Rearrange multi-variable equations

Write variable equations

Does x satisfy the equation?

Properties of equality

Identify equivalent equations

Model and solve equations using algebra tiles

Write and solve equations that represent diagrams

Solve one-step linear equations

Solve two-step linear equations

Solve advanced linear equations

Solve equations with variables on both sides

Solve equations: complete the solution

Consecutive integer problems

Find the number of solutions

Create equations with no solutions or infinitely many solutions

Solve linear equations: word problems

Solve linear equations: mixed review

Understanding ratios

Identify equivalent ratios

Write an equivalent ratio

Compare ratios: word problems

Rate of travel: word problems

Do the ratios form a proportion?

Do the ratios form a proportion: word problems

Solve proportions

Solve proportions: word problems

Estimate population size using proportions

Scale drawings: word problems

Convert between percents, fractions and decimals

Solve percent equations

Percent word problems

Percent of change

Percent of change: word problems

Simple interest

Compound interest

Percent of a number: GST, discount and more

Find the percent: discount and mark-up

Multi-step problems with percents

Convert rates and measurements

Greatest possible error

Minimum and maximum area and volume

Percent error: area and volume

Circles, semicircles and quarter circles

Area of compound figures

Area between two shapes

Interior angles of polygons

Transversal of parallel lines

Nets of three-dimensional figures

Volume of prisms and cylinders

Volume of cubes and rectangular prisms: word problems

Volume of pyramids

Surface area of prisms and cylinders

Surface area of pyramids

Congruent figures: side lengths and angle measures

Translations: graph the image

Reflections: graph the image

Rotations: graph the image

Sequences of congruence transformations: graph the image

Dilations: graph the image

Dilations and scale factors

Identify similar figures

Ratios in similar figures

Determine if two figures are similar: justify your answer

Similar figures: side lengths and angle measures

Similar triangles and indirect measurement

Area and perimeter of similar figures

Volume and surface area of similar solids

Perimeter, area and volume: changes in scale

Pythagoras' theorem

Pythagoras' theorem: find the perimeter

Pythagoras' theorem: word problems

Converse of Pythagoras' theorem: is it a right triangle?

Special right triangles

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

Coordinate plane review

Midpoint formula: find the midpoint

Midpoint formula: find an endpoint

Distance between two points

Find the constant of proportionality from a table

Write equations for proportional relationships from tables

Identify proportional relationships by graphing

Find the constant of variation

Find the constant of proportionality from a graph

Write equations for proportional relationships from graphs

Identify proportional relationships

Graph a proportional relationship

Interpret graphs of proportional relationships

Write and solve equations for proportional relationships

Write direct variation equations

Write and solve direct variation equations

Find the gradient of a graph

Find the gradient from two points

Find a missing coordinate using gradient

Find the gradient and y-intercept of a linear equation

Does (x, y) satisfy the linear equation?

Graph an equation in y=mx+c form

Write an equation in y=mx+c form from a graph

Write an equation in y=mx+c form

Write an equation in y=mx+c form from a table

Write an equation in y=mx+c form from a word problem

Linear equations: solve for y

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-gradient form: graph an equation

Point-gradient form: write an equation

Point-gradient form: write an equation from a graph

Gradients of parallel and perpendicular lines

Write an equation for a parallel or perpendicular line

Relations: convert between tables, graphs, mappings and lists of points

Identify independent and dependent variables

Identify functions

Identify functions: vertical line test

Find values using function graphs

Evaluate a function

Evaluate a function: plug in an expression

Complete a function table from a graph

Complete a function table from an equation

Identify graphs: word problems

Identify linear functions

Identify linear and nonlinear relationships

Write linear functions to solve word problems

Complete a table and graph a linear function

Interpret the graph of a function: word problems

Evaluate a linear function from its graph: word problems

Compare linear functions: graphs, tables and equations

Transformations of linear functions

Classify simultaneous equations by graphing

Classify simultaneous equations

Solve simultaneous equations using substitution

Solve simultaneous equations using substitution: word problems

Solve simultaneous equations using elimination

Solve simultaneous equations using elimination: word problems

Does (x, y) satisfy the inequality?

Linear inequalities: solve for y

Graph a linear inequality in the coordinate plane

Linear inequalities: word problems

Write two-variable inequalities: word problems

Is (x, y) a solution to the system of inequalities?

Is (x, y) a solution to the simultaneous inequalities?

Powers with integer bases

Powers with decimal and fractional bases

Negative exponents

Multiplication with exponents

Division with exponents

Multiplication and division with exponents

Evaluate expressions using properties of exponents

Identify equivalent expressions involving exponents

Evaluate rational exponents

Multiplication with rational exponents

Division with rational exponents

Power rule with rational exponents

Simplify expressions involving rational exponents I

Simplify expressions involving rational exponents II

Convert between ordinary numbers and standard form

Compare numbers written in standard form

Add and subtract numbers written in scientific notation

Multiply numbers written in standard form

Divide numbers written in standard form

Identify arithmetic and geometric sequences

Arithmetic sequences

Geometric sequences

Evaluate variable expressions for number sequences

Write variable expressions for arithmetic sequences

Write variable expressions for geometric sequences

Sequences: mixed review

Evaluate an exponential function

Match exponential functions and graphs I

Match exponential functions and graphs II

Compound interest: word problems

Identify monomials

Multiply monomials

Divide monomials

Multiply and divide monomials

Powers of monomials

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 polynomials using algebra tiles

Multiply two binomials

Multiply two binomials: special cases

Multiply polynomials

HCF of monomials

Factorise out a monomial

Factorise quadratics using algebra tiles

Factorise quadratics with leading coefficient 1

Factorise quadratics with other leading coefficients

Factorise quadratics: special cases

Factorise by grouping

Factor using a quadratic pattern

Factorise polynomials

Characteristics of quadratic functions: graphs

Characteristics of quadratic functions: equations

Complete a function table: quadratic functions

Transformations of quadratic functions

Graph quadratic functions

Write a quadratic function in vertex form

Match quadratic functions and graphs

Solve a quadratic equation using square roots

Solve a quadratic equation using the zero product property

Solve a quadratic equation with leading coefficient 1 by factorising

Complete the square

Solve a quadratic equation by completing the square

Using the discriminant

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 from tables

Write linear, quadratic and exponential functions from tables

Describe linear and exponential growth and decay

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

Divide radical expressions

Simplify radical expressions using conjugates

Simplify radical expressions: mixed review

Simplify rational expressions

Multiply and divide rational expressions

Divide polynomials

Add and subtract rational expressions

Solve rational equations

Simplify complex fractions

Create histograms

Interpret histograms

Create bar graphs, line graphs and histograms

Create bar graphs and line graphs

Interpret bar graphs, line graphs and histograms

Interpret bar graphs and line graphs

Interpret circle graphs

Interpret stem-and-leaf plots

Interpret box-and-whisker plots

Identify biased samples

Calculate mean, median, mode and range

Interpret charts to find mean, median, mode and range

Mean, median, mode and range: find the missing number

Calculate quartiles and interquartile range

Identify an outlier

Identify an outlier and describe the effect of removing it

Variance and standard deviation

Weighted averages: word problems

Interpret a scatter plot

Outliers in scatter plots

Match correlation coefficients to scatter plots

Calculate correlation coefficients

Scatter plots: line of best fit

Write equations for lines of best fit

Find the equation of a regression line

Interpret regression lines

Theoretical probability

Experimental probability

Find probabilities using two-way frequency tables

Sample spaces for compound events

Compound events: find the number of outcomes

Identify independent and dependent events

Probability of independent and dependent events

Counting principle