Get help with Mathematics 20-2
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The official Alberta Mathematics 20-2 curriculum
Alberta defines Mathematics 20-2 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 Alberta's official programs of studyRead it on the government site — alberta.ca ↗| Official strand | Outcomes | Where MapleMind teaches it |
|---|---|---|
| Measurement | 3 | Measurement |
| Geometry | 3 | Geometry |
| Number and Logic | 4 | Number and Logic |
| Statistics | 2 | Statistics |
| Relations and Functions | 2 | Relations and Functions |
| Mathematics Research Project | 1 | Mathematics Research Project |
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How MapleMind teaches Mathematics 20-2 — 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 1MeasurementOfficial strand · Measurement
General outcome: develop spatial sense and proportional reasoning. Rates, scale diagrams by proportional reasoning, and how scale factors relate the areas, surface areas and volumes of similar 2-D shapes and 3-D objects.
Rates and Scale Diagrams
- Solving problems with rates20-2.M.1 — Interpret and apply rates (unit rates, unit price, speed, flow) to solve real-world problems, tracking units.
- Scale diagrams by proportional reasoning20-2.M.2 — Use proportional reasoning and a scale factor to find real dimensions from a scale diagram, and to construct or interpret diagrams to scale.
Scale Factors, Area and Volume of Similar Shapes
- Scale factor and area of similar 2-D shapes20-2.M.3 — Relate the scale factor of similar 2-D shapes to their areas: a length factor k multiplies area by k squared.
- Scale factor, surface area and volume of similar 3-D objects20-2.M.3 — Relate the scale factor of similar 3-D objects to their surface areas (factor squared) and volumes (factor cubed).
The official wording — 3 outcomes in this unit
- 20-2.M.1
Solve problems that involve the application of rates.
- 20-2.M.2
Solve problems that involve scale diagrams, using proportional reasoning.
- 20-2.M.3
Demonstrate an understanding of the relationships among scale factors, areas, surface areas and volumes of similar 2-D shapes.
Unit 2GeometryOfficial strand · Geometry
General outcome: develop spatial sense through deductive reasoning about angles and triangles. Derive proofs of angle and triangle properties, solve problems with those properties, and extend to the sine and cosine laws (excluding the ambiguous case).
Proofs of Angle and Triangle Properties
- Deriving proofs about angles20-2.G.1 — Derive proofs of angle properties formed by parallel lines and transversals (corresponding, alternate, co-interior angles).
- Deriving proofs about triangles20-2.G.1 — Derive proofs of triangle properties, including the angle sum and the exterior angle theorem, from given angle facts.
Problems with Angles and Triangles
- Solving problems with angle properties20-2.G.2 — Apply parallel-line and angle properties to find unknown angles and justify each step.
- Solving problems with triangle properties20-2.G.2 — Apply triangle properties (angle sum, exterior angle, isosceles) to solve multi-step problems.
The Sine and Cosine Laws
- The sine law20-2.G.3 — Use the sine law to solve oblique triangles from a side and its opposite angle plus one more piece — the ambiguous case is excluded.
- The cosine law20-2.G.3 — Use the cosine law for the two-sides-and-contained-angle (SAS) and three-sides (SSS) cases.
The official wording — 3 outcomes in this unit
- 20-2.G.1
Derive proofs that involve the properties of angles.
- 20-2.G.2
Solve problems that involve properties of angles.
- 20-2.G.3
Solve problems that involve the sine law, excluding the ambiguous case.
Unit 3Number and LogicOfficial strand · Number and Logic
General outcome: develop number sense and logical reasoning. Inductive and deductive reasoning to analyze and prove conjectures, spatial puzzles and games, operations on radicals, and radical equations.
Inductive and Deductive Reasoning
- Making conjectures by inductive reasoning20-2.NL.1 — Use inductive reasoning to observe patterns and make conjectures, and use a counterexample to disprove one.
- Proving conjectures by deductive reasoning20-2.NL.1 — Use deductive reasoning to prove a conjecture in general, and identify errors in flawed proofs.
Puzzles and Games with Spatial Reasoning
- Strategies for spatial puzzles and games20-2.NL.2 — Analyze puzzles and games that involve spatial reasoning, choosing and applying problem-solving strategies (work backward, look for a pattern, guess-and-check).
- Determining and justifying a winning strategy20-2.NL.2 — Determine, describe and justify a winning or optimal strategy for a spatial-reasoning game.
Operations on Radicals
- Simplifying and combining radicals20-2.NL.3 — Simplify square-root radicals with numerical and variable radicands, and add and subtract like radicals, stating restrictions.
- Multiplying and dividing radical expressions20-2.NL.3 — Multiply and divide square-root radical expressions and rationalize monomial denominators.
Radical Equations
- Solving square-root equations20-2.NL.4 — Solve equations with a square-root radical by isolating and squaring, then checking for extraneous roots.
- Solving cube-root equations and problems20-2.NL.4 — Solve equations with a cube-root radical by cubing, and model applied problems that lead to radical equations.
The official wording — 4 outcomes in this unit
- 20-2.NL.1
Analyze and prove conjectures, using inductive reasoning, to solve problems.
- 20-2.NL.2
Analyze puzzles and games that involve spatial reasoning, using problem-solving strategies.
- 20-2.NL.3
Solve problems that involve operations on radicals and radical expressions with numerical and variable radicands (limited to square roots).
- 20-2.NL.4
Solve problems that involve radical equations (limited to square roots or cube roots).
Unit 4StatisticsOfficial strand · Statistics
General outcome: develop statistical reasoning. The normal distribution with standard deviation and z-scores, and the interpretation of statistical data using confidence intervals, confidence levels and margin of error.
Normal Distribution
- Standard deviation and the normal curve20-2.S.1 — Interpret standard deviation as spread about the mean and use the 68–95–99.7 rule of the normal distribution.
- z-scores and standardizing20-2.S.1 — Compute z-scores to standardize a value and compare data from different normal distributions.
Confidence Intervals and Margin of Error
- Confidence intervals and confidence levels20-2.S.2 — Interpret a confidence interval at a stated confidence level and explain what the level does and does not claim.
- Margin of error20-2.S.2 — Interpret margin of error, connect it to a confidence interval, and read polling and survey results critically.
The official wording — 2 outcomes in this unit
- 20-2.S.1
Demonstrate an understanding of normal distribution, including: standard deviation.
- 20-2.S.2
Interpret statistical data, using: confidence intervals confidence levels.
Unit 5Relations and FunctionsOfficial strand · Relations and Functions
General outcome: develop algebraic and graphical reasoning about quadratics. The characteristics of quadratic functions (vertex, intercepts, domain and range, axis of symmetry) and solving problems that involve quadratic equations.
Characteristics of Quadratic Functions
- Vertex and axis of symmetry20-2.RF.1 — Identify the vertex and axis of symmetry of a quadratic function from its graph and from vertex form.
- Intercepts, domain and range20-2.RF.1 — Determine the intercepts and the domain and range of a quadratic function and connect them to the graph.
Quadratic Equations
- Solving quadratic equations by factoring20-2.RF.2 — Solve quadratic equations by factoring and the zero-product property, connecting roots to x-intercepts.
- Solving with the quadratic formula20-2.RF.2 — Solve quadratic equations with the quadratic formula and model applied problems with quadratic equations.
The official wording — 2 outcomes in this unit
- 20-2.RF.1
Demonstrate an understanding of the characteristics of quadratic functions, including: vertex axis of symmetry.
- 20-2.RF.2
Solve problems that involve quadratic equations.
Unit 6Mathematics Research ProjectOfficial strand · Mathematics Research Project
General outcome: develop an appreciation of mathematics through research. Plan, conduct and present a research investigation on a historical event or an area of interest that involves mathematics.
Research and Presentation
- Researching and presenting a mathematics topic20-2.MRP.1 — Plan, conduct and present a research investigation into a historical event or an area of interest that involves mathematics — gathering and citing credible sources and communicating findings clearly.
The official wording — 1 outcome in this unit
- 20-2.MRP.1
Research and give a presentation on a historical event or an area of interest that involves mathematics.
Printable workbook · A keepsake of the year
A Mathematics 20-2 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
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Common questions
Can MapleMind help me with Mathematics 20-2?
Yes. MapleMind's AI tutor covers all 27 skills in Alberta's Mathematics 20-2 — 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 Alberta's official curriculum?
Yes. Every skill in this course maps to an official outcome code from Alberta's Grade 11 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 20-2 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 Alberta curriculum for Mathematics 20-2?
The official source is linked on this page — Alberta's official programs of study. The outline here follows it: every MapleMind skill carries its official outcome code, and the ministry's own wording is quoted under each unit.
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