Here is a list of all of the skills students learn in grade 9! The skills are organized into categories, and you can move your mouse over any skill name to see a sample question. To start practising, just click on any link. IXL will track your score, and the questions will even increase in difficulty as you improve!
Numbers
Operations
- B.1 Add, subtract, multiply, and divide integers
- B.2 Order of operations with integers
- B.3 Evaluate variable expressions involving integers
- B.4 Add and subtract rational numbers
- B.5 Add and subtract rational numbers: word problems
- B.6 Multiply and divide rational numbers
- B.7 Multiply and divide rational numbers: word problems
- B.8 Order of operations with rational numbers
- B.9 Evaluate variable expressions involving rational numbers
Ratios and proportions
Percents
Geometry
- E.1 Parts of a circle
- E.2 Perimeter
- E.3 Area
- E.4 Area of compound figures
- E.5 Circles: calculate area, circumference, radius, and diameter
- E.6 Circles: word problems
- E.7 Symmetry
- E.8 Interior angles of polygons
- E.9 Transversal of parallel lines
- E.10 Volume of prisms and pyramids
- E.11 Volume of cones and cylinders
- E.12 Volume of spheres
- E.13 Nets of 3-dimensional figures
- E.14 Surface area of prisms and pyramids
- E.15 Surface area of cones and cylinders
- E.16 Surface area of spheres
- E.17 Similar figures: side lengths and angle measures
- E.18 Similar triangles and indirect measurement
- E.19 Area and perimeter of similar figures
- E.20 Similar solids
- E.21 Volume and surface area of similar solids
- E.22 Perimeter, area, and volume: changes in scale
- E.23 Identify reflections, rotations, and translations
- E.24 Reflections, rotations, and translations: find the coordinates
- E.25 Reflections, rotations, and translations: graph the image
- E.26 Dilations and scale factors
- E.27 Pythagorean theorem
- E.28 Pythagorean theorem: word problems
- E.29 Converse of the Pythagorean theorem: is it a right triangle?
Coordinate graphs
Properties
Exponents
Scientific notation
Problem solving
Number sequences
Variable expressions and equations
Solve equations
- M.1 Model and solve equations using algebra tiles
- M.2 Write and solve equations that represent diagrams
- M.3 Solve one-step linear equations
- M.4 Solve two-step linear equations
- M.5 Solve advanced linear equations
- M.6 Solve equations with variables on both sides
- M.7 Identities and equations with no solutions
- M.8 Solve linear equations: word problems
- M.9 Solve linear equations: mixed review
Single-variable inequalities
- N.1 Graph inequalities
- N.2 Write inequalities from graphs
- N.3 Identify solutions to inequalities
- N.4 Solve one-step linear inequalities: addition and subtraction
- N.5 Solve one-step linear inequalities: multiplication and division
- N.6 Solve one-step linear inequalities
- N.7 Graph solutions to one-step linear inequalities
- N.8 Solve two-step linear inequalities
- N.9 Graph solutions to two-step linear inequalities
- N.10 Solve advanced linear inequalities
- N.11 Graph solutions to advanced linear inequalities
Charts and graphs
Relations and functions
- P.1 Relations: convert between tables, graphs, mappings, and lists of points
- P.2 Identify independent and dependent variables
- P.3 Identify functions
- P.4 Identify functions: vertical line test
- P.5 Complete a function table
- P.6 Evaluate function rules I
- P.7 Evaluate function rules II
- P.8 Graph a function
- P.9 Write a function rule: word problems
- P.10 Find points on a function graph
- P.11 Write a rule for a function table
Direct variation
Linear functions
- R.1 Identify linear functions
- R.2 Find the slope of a graph
- R.3 Find slope from two points
- R.4 Slope-intercept form: find slope and y-intercept
- R.5 Slope-intercept form: graph an equation
- R.6 Slope-intercept form: write an equation from a graph
- R.7 Slope-intercept form: write an equation
- R.8 Linear function word problems
- R.9 Write equations in standard form
- R.10 Standard form: find x- and y-intercepts
- R.11 Standard form: graph an equation
- R.12 Equations of horizontal and vertical lines
- R.13 Graph a horizontal or vertical line
- R.14 Point-slope form: graph an equation
- R.15 Point-slope form: write an equation from a graph
- R.16 Point-slope form: write an equation
- R.17 Slopes of parallel and perpendicular lines
- R.18 Write an equation for a parallel or perpendicular line
Systems of linear equations
Monomials
Polynomials
- U.1 Polynomial vocabulary
- U.2 Model polynomials with algebra tiles
- U.3 Add and subtract polynomials using algebra tiles
- U.4 Add and subtract polynomials
- U.5 Add polynomials to find perimeter
- U.6 Multiply a polynomial by a monomial
- U.7 Multiply polynomials to find area
- U.8 Divide a polynomial by a monomial
Logic
Probability
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