Will this help with my child's Grade 9 math homework?

Yes. StudyPug covers every MTH1W strand taught in Ontario Grade 9 classrooms, so your child can find step-by-step help for homework on number concepts, algebra, linear relations, coding, data, geometry, and financial literacy.

How long are the video lessons?

Most video lessons run between 5 and 15 minutes, keeping explanations focused on one concept at a time. Your child can pause, rewind, and rewatch as many times as needed to follow along at their own pace.

Is there an Ontario test for Grade 9 math?

Yes. Ontario Grade 9 students take the EQAO Grade 9 Math Assessment. StudyPug lessons are aligned to The Ontario Curriculum (MTH1W), covering the same concepts and skills your child will be assessed on.

Can my child use StudyPug on a tablet or phone?

Yes. StudyPug works on tablets, phones, and computers, so your child can access lessons and practice problems at home, at school, or anywhere with an internet connection.

Can I try StudyPug before paying?

Yes. StudyPug offers free sample lessons so you can see how it works before committing. Every subscription also includes a 30-day money-back guarantee if it is not the right fit for your child.

ON Grade 9 Math Curriculum

Give your child the support they need to succeed in Ontario Grade 9 Math (MTH1W). StudyPug covers every strand your child's class works through, from algebra and linear relations to data and financial literacy.

ON Grade 9 Math Curriculum

OE_IDExpectationsStudyPug Topic

ON.OE.9.B.1.1Research a number concept to tell a story about its development and use in a specific culture, and describe its relevance in a current context
- Understanding the number systems
ON.OE.9.B.1.2Describe how various subsets of a number system are defined, and describe similarities and differences between these subsets
- Rational vs. Irrational numbers
- Comparing and ordering rational numbers
- Place value
- Comparing and ordering numbers
ON.OE.9.B.1.3Use patterns and number relationships to explain density, infinity, and limit as they relate to number sets
- Using exponents to describe numbers
- Patterns
ON.OE.9.B.2.1Analyse the relationship between the sign and size of an exponent and the value of a power, and use this relationship to express numbers in scientific notation and evaluate powers
- Scientific notation
- Exponent rules
- Product rule of exponents
ON.OE.9.B.2.2Analyse the relationships between the exponents of powers and the operations with powers, and use these relationships to simplify numeric and algebraic expressions
- Quotient rule of exponents
- Power of a product rule
- Power of a quotient rule
- Power of a power rule
- Negative exponent rule
- Combining the exponent rules
- Order of operations with exponents
- Using exponents to solve problems
ON.OE.9.B.3.1Apply an understanding of integers to describe location, direction, amount, and changes in any of these, in various contexts
- Applications of integer operations
- Subtracting integers
ON.OE.9.B.3.2Apply an understanding of unit fractions and their relationship to other fractional amounts, in various contexts, including the use of measuring tools
- Converting repeating decimals to fractions
- Solving problems with rational numbers in fraction form
- Applications of fraction operations
ON.OE.9.B.3.3Apply an understanding of integers to explain the effects that positive and negative signs have on the values of ratios, rates, fractions, and decimals, in various contexts
- Solving problems with rational numbers in decimal form
- Ratios
- Rates
- Proportions
ON.OE.9.B.3.4Solve problems involving operations with positive and negative fractions and mixed numbers, including problems involving formulas, measurements, and linear relations, using technology when appropriate
- Fractions: Multiplying proper fractions
- Multiplying improper fractions and mixed numbers
- Dividing fractions and mixed numbers
- Adding and subtracting decimals
- Multiplying decimals
- Dividing decimals
- Order of operations (PEMDAS)
ON.OE.9.B.3.5Solve problems involving ratios, rates, and percent in various contexts, including contexts connected to real-life applications of data, measurement, geometry, linear relations, and financial literacy
- Representing percents
- Percents, fractions, and decimals
- Percent of a number
- Adding and multiplying percents
- Taxes, discounts, tips and more
- Simple interest
ON.OE.9.C.1.1Research an algebraic concept to tell a story about its development and use in a specific culture, and describe its relevance in a current context
- What is a polynomial?
ON.OE.9.C.1.2Create algebraic expressions to generalize relationships expressed in words, numbers, and visual representations, in various contexts
- Characteristics of polynomials
- Representing patterns in linear relations
- Evaluating algebraic expressions
ON.OE.9.C.1.3Compare algebraic expressions using concrete, numerical, graphical, and algebraic methods to identify those that are equivalent, and justify their choices
- Polynomial components
- Equivalent expressions of polynomials
ON.OE.9.C.1.4Simplify algebraic expressions by applying properties of operations of numbers, using various representations and tools, in different contexts
- Multiplying monomial by monomial
- Multiplying monomial by binomial
- Multiplying binomial by binomial
- Multiplying polynomial by polynomial
- Adding and subtracting polynomials
- Multiplying and dividing monomials
- Multiplying polynomials by monomials
- Dividing polynomials by monomials
ON.OE.9.C.1.5Create and solve equations for various contexts, and verify their solutions
- Solving linear equations using multiplication and division
- Solving two-step linear equations: ax + b = c, x/a + b = c
- Solving linear equations using distributive property: a(x + b) = c
- Solving linear equations with variables on both sides
- Solving one - step equations: x + a = b
- Solving literal equations
ON.OE.9.C.2.1Use coding to demonstrate an understanding of algebraic concepts including variables, parameters, equations, and inequalities
- Applications of polynomials
ON.OE.9.C.2.2Create code by decomposing situations into computational steps in order to represent mathematical concepts and relationships, and to solve problems
- Common factors of polynomials
ON.OE.9.C.2.3Read code to predict its outcome, and alter code to adjust constraints, parameters, and outcomes to represent a similar or new mathematical situation
- Find the difference of squares: (a - b)(a + b) = (a^2 - b^2)
ON.OE.9.C.3.1Compare the shapes of graphs of linear and non-linear relations to describe their rates of change, to make connections to growing and shrinking patterns, and to make predictions
- Evaluating polynomials
- Reading linear relation graphs
ON.OE.9.C.3.2Represent linear relations using concrete materials, tables of values, graphs, and equations, and make connections between the various representations to demonstrate an understanding of rates of change and initial values
- Using algebra tiles to factor polynomials
ON.OE.9.C.3.3Compare two linear relations of the form y = ax + b graphically and algebraically, and interpret the meaning of their point of intersection in terms of a given context
- Solving polynomial equations
- Solving linear equations by graphing
ON.OE.9.C.4.1Compare characteristics of graphs, tables of values, and equations of linear and non-linear relations
- Word problems of polynomials
ON.OE.9.C.4.2Graph relations represented as algebraic equations of various forms and their associated inequalities to identify characteristics and defined points/regions
- Factoring polynomials by grouping
- Express linear inequalities graphically and algebraically
- Solving one-step linear inequalities
- Solving multi-step linear inequalities
- Compound inequalities
ON.OE.9.C.4.3Translate, reflect, and rotate lines defined by y = ax, where a is a constant, and describe how each transformation affects the graphs and equations of the defined lines
- Solving polynomials with unknown coefficients
- Rotational symmetry and transformations
ON.OE.9.C.4.4Determine line equations from graphs, tables, and concrete representations by connecting rates of change to slopes and initial values to y-intercepts, and use these equations to solve problems
- Solving polynomials with unknown constant terms
ON.OE.9.D.1.1Identify a current context involving a large amount of data, and describe potential implications and consequences of its collection, storage, representation, and use
- Influencing factors in data collection
ON.OE.9.D.1.2Represent and statistically analyse data from a real-life situation involving a single variable in various ways, including the use of quartile values and box plots
- Data collection
- Advantages and disadvantages of different graphs
- Critiquing data presentation
ON.OE.9.D.1.3Create a scatter plot to represent the relationship between two variables, determine correlation by testing regression models using technology, and use a model to make predictions when appropriate
- Probability
- Box-and-whisker plots and scatter plots
ON.OE.9.D.2.1Describe the value of mathematical modelling and how it is used in real life to inform decisions
- Classification of data
ON.OE.9.D.2.2Identify a question of interest requiring data collection and analysis, and identify the information needed to answer the question
- Sampling methods
ON.OE.9.D.2.3Create and execute a plan to collect necessary data, identifying assumptions and variables
- Census and bias
ON.OE.9.D.2.4Determine ways to display and analyse data to create a mathematical model answering the original question, considering data nature, context, and assumptions
- Bivariate, scatter plots and correlation
ON.OE.9.E.1.2Create and analyse designs involving geometric relationships and circle and triangle properties, using various tools
- Line symmetry
- Angles in a circle
- Chord properties
- Tangent properties
- Triangles
- Rectangles
- Parallelograms
- Trapezoids, rhombi, and kites
- Polygons
- Complex polygons
ON.OE.9.E.1.3Solve problems involving different units within and between measurement systems, including those from various cultures, using representations and technology when appropriate
- Conversions between metric and imperial systems
- Introduction to surface area of 3-dimensional shapes
- Nets of 3-dimensional shapes
- Metric systems
- Imperial systems
- Conversions involving squares and cubic
ON.OE.9.E.1.4Show how changing dimensions of 2D shapes and 3D objects affects perimeter/circumference, area, surface area, and volume, using technology when appropriate
- Surface area of 3-dimensional shapes
- Volume of prisms
- Volume of cylinders
- Upper and lower bound
ON.OE.9.E.1.5Solve problems involving the side-length relationship for right triangles in real-life situations, including problems with composite shapes
- Surface area and volume of prisms
- Surface area and volume of pyramids
- Surface area and volume of cylinders
- Surface area and volume of cones
- Surface area and volume of spheres
- Pythagorean theorem
- Using the pythagorean relationship
- Applications of pythagorean theorem
ON.OE.9.E.1.6Solve problems using relationships between volumes of prisms and pyramids, and between cylinders and cones, involving various units of measure
- Word problems relating volume of prisms and cylinders

Grade 9 Math (MTH1W)

About Grade 9 Ontario math

Ontario Grade 9 Math follows The Ontario Curriculum and is structured around six major strands: Number, Algebra, Coding, Linear Relations, Data, and Geometry and Measurement, with a strand on Mathematical Modelling woven throughout. Students work with powers, algebraic expressions, linear and non-linear relations, statistics, and financial literacy concepts. StudyPug provides step-by-step lessons and practice problems aligned to every MTH1W expectation.

Strands: Number, Algebra, Coding, Linear Relations, Data, Geometry and Measurement, and Mathematical Modelling
Step-by-step lessons and worked examples for every MTH1W topic
Practice problems and guided practice aligned to The Ontario Curriculum
Available on any device so your child can study at home or on the go

Curriculum topics by strand

Find lessons and practice for every Grade 9 Ontario math topic, organized by strand and aligned to The Ontario Curriculum (MTH1W).

Topic includes:

Practice

Video

Quiz

OE_ID

Expectations

StudyPug Topic

Ontario Grade 9 Math Topics

Number: Exploring number concepts, subsets of number systems, density and infinity, exponents and scientific notation, integers, fractions, ratios, rates, and percent in real-life contexts.
Algebra: Creating and simplifying algebraic expressions, solving equations, comparing equivalent expressions using concrete, graphical, and algebraic methods.
Coding: Using code to represent algebraic concepts including variables, parameters, equations, and inequalities, and reading and altering code to adjust mathematical outcomes.
Linear Relations: Representing and comparing linear and non-linear relations using tables, graphs, and equations; interpreting slopes, y-intercepts, and points of intersection; applying transformations to lines.
Data: Representing single-variable data with quartile values and box plots; creating scatter plots and testing regression models; connecting data collection and analysis to real-life questions.
Mathematical Modelling: Identifying questions requiring data collection, creating and executing data plans, building mathematical models, and reporting on model fit and predictions.
Geometry and Measurement: Analysing geometric relationships and circle and triangle properties; solving problems with the Pythagorean theorem, composite shapes, prisms, pyramids, cylinders, and cones; converting between measurement systems.
Financial Literacy: Exploring appreciation and depreciation, comparing interest rates and borrowing costs, and modifying budgets to reflect changes in circumstances.

How StudyPug Helps Ontario Grade 9 Math Students

When your child gets stuck on a concept like simplifying algebraic expressions or interpreting a scatter plot, they can search for that topic and find a clear, step-by-step video lesson followed by practice problems. Lessons follow The Ontario Curriculum (MTH1W), so the content matches exactly what their teacher is covering in class. You can explore all available topics through our 9th grade math course page, or take a grade 9 math test to see where your child stands before diving in.

StudyPug lets students move at their own pace - rewatching a lesson as many times as needed, then confirming understanding with practice problems before moving on. This self-paced approach is especially useful in a course like MTH1W, which covers a wide range of strands in a single year.

Aligned to Ontario Grade 9 Math Curriculum

Every StudyPug lesson for Grade 9 math is built around the expectations set out in The Ontario Curriculum for MTH1W. Whether your child is building on skills from grade 8 math curriculum Ontario or preparing for the EQAO Grade 9 Math Assessment, StudyPug content is organized by the same strands - Number, Algebra, Coding, Linear Relations, Data, Mathematical Modelling, and Geometry and Measurement - so nothing falls through the cracks.

Ready to put your Grade 9 Math skills to the test?

Jump into practice questions for every Ontario Grade 9 Math topic - with instant feedback and step-by-step video solutions when you get stuck.

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Written by the StudyPug Math Team

Last updated June 5, 2026

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