Get help with Mathematics, Grade 9
Most tutoring makes you sit through material you already know. MapleMind flips that: pick the exact skill that's causing trouble — any of the 34 below — and the tutor teaches just that one, step by step, as many times as it takes. Ask questions in plain words, any time of day, in English, French, or 12 other languages.
The official Newfoundland and Labrador Mathematics, Grade 9 curriculum
Newfoundland and Labrador defines Mathematics, Grade 9 by strands and outcomes. MapleMind teaches the same curriculum reorganized for one-skill-at-a-time tutoring — the table shows exactly where every official strand lands, and the ministry's own wording is quoted under each unit below.
Official source Newfoundland and Labrador's official curriculumRead it on the government site — gov.nl.ca ↗| Official strand | Outcomes | Where MapleMind teaches it |
|---|---|---|
| Strand N | 7 | Rational Numbers and Powers · Operations with Rational Numbers and Square Roots |
| PAR | 13 | Linear Relations · Algebra |
| SAS | 10 | Composite Objects and Circle Properties · Symmetry and Similarity |
| SAP | 4 | Data Collection and Analysis · Probability in Society |
Every skill below, taught one on one.
Try the first session free
How MapleMind teaches Mathematics, Grade 9 — every unit, lesson, and skill
Every skill below runs as a short session: a plain-words lesson, a worked example, solving it together, then a five-question skill check that earns up to three stars. Guided Mode keeps it teaching instead of answer-handing — turning it off needs a parent's password.
Unit 1Rational Numbers and PowersOfficial strand · Strand N
Ordering rational numbers and working with powers and the exponent laws.
Rational Numbers
- Ordering rational numbersN.3.1 — Order a set of rational numbers in fraction and decimal form on a number line, identify a rational number between two others, and determine whether a rational number is a square number.
Powers and Exponent Laws
- The meaning of a powerN.3.6 — Express a power as repeated multiplication and vice versa, distinguish the base from the exponent, and explain the role of parentheses in powers.
- Exponent lawsN.3.11 — Evaluate powers with integral bases and whole-number exponents, explain the exponent laws with examples, apply them to evaluate expressions, and identify errors in a simplification.
- Sums and differences of powersN.3.13 — Determine the sum and the difference of two given powers, recording the process.
The official wording — 4 outcomes in this unit
- N.3.1
Order a given set of rational numbers, in fraction and decimal form, by placing them on a number line
- N.3.6
Express a given power as a repeated multiplication
- N.3.11
Explain, using examples, the exponent laws of powers with integral bases
- N.3.13
Determine the sum of two given powers
Unit 2Operations with Rational Numbers and Square RootsOfficial strand · Strand N
Order of operations with rational numbers and square roots of rational numbers.
Operations with Rational Numbers
- Order of operations with rational numbersN.6.1 — Solve problems involving operations on rational numbers in fraction and decimal form, apply the order of operations with and without technology, and identify an error in an order-of-operations solution.
Square Roots of Rational Numbers
- Square roots of perfect-square rationalsN.6.9 — Determine the square root of a positive rational number that is a perfect square, and determine a positive rational number given its square root.
- Estimating square roots of rationalsN.6.5 — Estimate the square root of a non-perfect-square rational using benchmarks, approximate with technology explaining the approximation, and identify errors and numbers between benchmarks.
The official wording — 3 outcomes in this unit
- N.6.1
Solve a given problem involving operations on rational numbers in fraction form and decimal form
- N.6.9
Determine the square root of a given positive rational number that is a perfect square
- N.6.5
Estimate the square root of a given rational number that is not a perfect square using the roots of perfect squares as benchmarks
Unit 3Linear RelationsOfficial strand · PAR
Writing linear equations and graphing linear relations to interpolate and extrapolate.
Writing Linear Equations
- Writing linear equations from patterns and contextsPAR.7.2 — Write an expression for a pattern, write a linear equation to represent a context, describe a context for an equation, and write and verify an equation from a table of values.
Graphing Linear Relations
- Graphing linear relationsPAR.7.7 — Graph a linear relation including horizontal and vertical lines, describe the pattern in a graph, and match equations of linear relations to their graphs.
- Interpolating and extrapolating from a graphPAR.7.8 — Interpolate and extrapolate the approximate value of one variable from a graph, and solve a problem by graphing a linear relation and analyzing the graph.
The official wording — 3 outcomes in this unit
- PAR.7.2
Write a linear equation to represent a given context
- PAR.7.7
Graph a given linear relation, including horizontal and vertical lines
- PAR.7.8
Interpolate the approximate value of one variable on a given graph given the value of the other variable
Unit 4AlgebraOfficial strand · PAR
Linear inequalities, polynomials, and solving linear equations.
Introducing Inequalities
- Writing and testing inequalitiesPAR.8.1 — Translate a problem into a single-variable linear inequality, determine whether a rational number is a possible solution, and verify a solution using substitution for multiple elements.
Polynomials
- Identifying the parts of a polynomialPAR.8.14 — Identify the variables, degree, number of terms, and coefficients of a polynomial, and create and write a concrete or pictorial model of a polynomial.
- Equivalent polynomial expressionsPAR.8.4 — Match equivalent polynomial expressions in simplified form, identify equivalent expressions from a set including pictorial and symbolic forms, and provide examples of equivalent expressions.
- Adding and subtracting polynomialsPAR.8.6 — Model addition and subtraction of polynomials recording symbolically, apply a personal strategy, and identify errors in a simplification.
- Multiplying and dividing polynomials by a monomialPAR.8.8 — Model multiplication of a polynomial by a monomial and division of a polynomial by a monomial recording symbolically, and apply a personal strategy.
Solving Linear Equations
- Modelling linear equationsPAR.8.17 — Model the solution of a linear equation using concrete or pictorial representations, and determine by substitution whether a rational number is a solution.
- Solving linear equations symbolicallyPAR.8.19 — Solve a linear equation symbolically, and identify and correct an error in a given solution of a linear equation.
- Solving problems with linear equationsPAR.8.22 — Represent a problem using a linear equation, solve the problem recording the process, and solve problems from pictorial, oral, or written linear patterns.
Solving Inequalities
- Solving and graphing inequalitiesPAR.8.27 — Solve a linear inequality algebraically and graph the solution, applying the rules for adding, subtracting, multiplying, and dividing, including the sign flip.
- Comparing equations and inequalitiesPAR.8.28 — Compare and explain the process for solving a linear equation with the process for solving a linear inequality, and compare their solutions.
The official wording — 10 outcomes in this unit
- PAR.8.1
Translate a given problem into a single variable linear inequality using the symbols
- PAR.8.14
Identify the variables, degree, number of terms and coefficients, including the constant term, of a given simplified polynomial expression
- PAR.8.4
Match equivalent polynomial expressions given in simplified form
- PAR.8.6
Model addition of two given polynomial expressions concretely or pictorially and record the process symbolically
- PAR.8.8
Model multiplication of a given polynomial expression by a given monomial concretely or pictorially and record the process symbolically
- PAR.8.17
Model the solution of a given linear equation using concrete or pictorial representations, and record the process
- PAR.8.19
Solve a given linear equation symbolically
- PAR.8.22
Solve a given problem using a linear equation and record the process
- PAR.8.27
Solve a given linear inequality algebraically and explain the process orally or in written form
- PAR.8.28
Compare and explain the process for solving a given linear equation to the process for solving a given linear inequality
Unit 5Composite Objects and Circle PropertiesOfficial strand · SAS
Surface area of composite objects and the properties of circles.
Surface Area of Composite Objects
- Surface area of composite objectsSAS.9.2 — Determine the overlap in a composite 3-D object and its effect, and determine and solve problems involving the surface area of composite objects.
Circle Properties
- Tangents and chordsSAS.9.4 — Explain the relationship between a tangent and the radius at the point of tangency, and between the perpendicular from the centre and a chord.
- Central and inscribed anglesSAS.9.7 — Explain the relationship between a central angle and an inscribed angle on the same arc, determine an angle inscribed in a semicircle, and solve problems using circle properties.
The official wording — 3 outcomes in this unit
- SAS.9.2
Determine the surface area of a given concrete composite 3-D object
- SAS.9.4
Explain the relationship between the tangent of a circle and the radius at the point of tangency
- SAS.9.7
Explain the relationship between the measure of the central angle and the inscribed angle subtended by the same arc
Unit 6Symmetry and SimilarityOfficial strand · SAS
Line and rotation symmetry, symmetry on the coordinate plane, and similar polygons and scale.
Symmetry
- Line symmetrySAS.10.1 — Classify shapes and designs by their number of lines of symmetry, and identify and describe the types of symmetry in a piece of artwork.
- Rotation symmetrySAS.10.2 — Determine whether a shape has rotation symmetry, stating the order and angle of rotation, and identify a line of symmetry or the order and angle in a tessellation.
- Creating and completing symmetric designsSAS.10.9 — Complete a shape given half and a line of symmetry, rotate a shape about a vertex to draw its image, and create artwork with line and rotation symmetry.
Symmetry on the Coordinate Plane
- Symmetry on the coordinate planeSAS.10.5 — Determine whether two shapes are related by rotation or line symmetry, identify the symmetry from a transformation, and complete a transformation describing the symmetry that results.
Similar Polygons and Scale
- Similar polygonsSAS.10.7 — Determine whether polygons are similar with reasoning, draw a polygon similar to a given one, and solve problems using the properties of similar polygons.
- Scale diagrams and scale factorSAS.10.17 — Interpret a scale factor from media, determine a scale factor for a diagram, draw a scale diagram of an enlargement or reduction, and decide if a diagram is proportional.
- Scale problems with similar trianglesSAS.10.19 — Solve a problem that involves a scale diagram by applying the properties of similar triangles.
The official wording — 7 outcomes in this unit
- SAS.10.1
Classify a given set of 2-D shapes or designs according to the number of lines of symmetry
- SAS.10.2
Determine if a given 2-D shape or design has rotation symmetry about the point at the centre of the shape or design and, if it does, state the order and angle of rotation
- SAS.10.9
Complete a 2-D shape or design given one half of the shape or design and a line of symmetry
- SAS.10.5
Determine whether two given 2-D shapes on the Cartesian plane are related by either rotation or line symmetry
- SAS.10.7
Determine if the polygons in a given set are similar and explain the reasoning
- SAS.10.17
Determine the scale factor for a given diagram drawn to scale
- SAS.10.19
Solve a given problem that involves a scale diagram by applying the properties of similar triangles
Unit 7Data Collection and AnalysisOfficial strand · SAP
Bias in data collection, samples and populations, and a data project.
Bias, Samples, and Populations
- Bias in data collectionSAP.11.1 — Analyze a case study of data collection to identify problems of bias, language, ethics, cost, timing, privacy, or cultural sensitivity, and give examples of how they influence data.
- Samples and populationsSAP.11.3 — Identify whether a situation uses a sample or a population, justify using a population, describe when a limitation forces a sample, and critique a generalization from a sample.
A Data Project
- Planning and completing a data projectSAP.11.8 — Develop a project plan and a rubric covering the question, data collection, sampling, display, and conclusions, complete the project, and self-assess with the rubric.
The official wording — 3 outcomes in this unit
- SAP.11.1
Analyze a given case study of data collection, and identify potential problems related to bias, use of language, ethics, cost, time and timing, privacy or cultural sensitivity
- SAP.11.3
Identify whether a given situation represents the use of a sample or a population
- SAP.11.8
Develop a project plan that describes: a question for investigation the method of data collection that includes social considerations
Unit 8Probability in SocietyOfficial strand · SAP
How probability is used and can be misused in real situations.
Probability in Society
- Interpreting probability in societySAP.12.2 — Find probability used in media, identify the assumptions and limitations behind a probability, explain how a single probability can support opposing positions, and how decisions combine theoretical, experimental, and subjective judgement.
The official wording — 1 outcome in this unit
- SAP.12.2
Identify the assumptions associated with a given probability and explain the limitations of each assumption
Printable workbook · A keepsake of the year
A Mathematics, Grade 9 workbook worth keeping
Built from the same official curriculum as this page. Before and after each skill above, your student colours in how sure they feel — so the two of you can see, on one page, what's clicking and what needs another look. It's a quiet way to follow how the year is really going.
By June it's full of their own handwriting: units worked through, confidence grown, a mid-year check-in, notes from parent-teacher night, and a certificate at the end. Less a worksheet, more a record of the year worth keeping on the shelf.
Instant download · see every page, reviews and the full description · five or more workbooks are $2.99 each
What it looks like in the app
Common questions
Can MapleMind help me with Mathematics, Grade 9?
Yes. MapleMind's AI tutor covers all 34 skills in Newfoundland and Labrador's Mathematics, Grade 9 — you pick the exact skill, and the tutor teaches it step by step: a short lesson, a worked example, solving together, then a skill check to show it stuck.
Is MapleMind aligned to Newfoundland and Labrador's official curriculum?
Yes. Every skill in this course maps to an official outcome code from Newfoundland and Labrador's Grade 9 Mathematics curriculum, and the ministry's own wording is quoted under each unit on this page — with the official government source linked so you can check it yourself.
What does MapleMind cost?
It's free to start — 5 tutoring chats and a practice quiz every day, no credit card. A Pro subscription ($9.99/month or $49.99/year CAD, 7-day free trial) unlocks unlimited tutoring, practice, and exam simulations.
What if I'm stuck on just one topic?
That's the point of skill-level tutoring: open Mathematics, Grade 9 in the app, tap the exact skill from the list on this page, and the tutor teaches just that — no wading through lessons you don't need.
Does MapleMind work in French or other languages?
Yes — 14 languages, including French. Both the app and the tutor's explanations switch to the language you choose.
Where can I see the official Newfoundland and Labrador curriculum for Mathematics, Grade 9?
The official source is linked on this page — Newfoundland and Labrador's official curriculum. The outline here follows it: every MapleMind skill carries its official outcome code, and the ministry's own wording is quoted under each unit.
Keep exploring
Ready when you are
Pick a skill from this page and see it taught properly — free, in the browser, in under a minute.