Worksheets · Stage 4, ages 14 to 15

Every sheet prints on one Letter page, can be done on screen, and has an answer key.

82 kinds of sheet

  • Math

    Slope from Two Points

    Open
  • Math

    Evaluating Linear Equations

    Open
  • Math

    Finding the y-Intercept

    Open
  • Math

    Equations with Brackets

    Open
  • Math

    Variables on Both Sides

    Open
  • Math

    Equations with Fractions

    Open
  • Math

    Solving by Substitution

    Open
  • Math

    Solving by Elimination

    Open
  • Math

    Systems in Context

    Open
  • Math

    Exponent Laws

    Open
  • Math

    Negative Exponents

    Open
  • Math

    Scientific Notation

    Open
  • Math

    Expanding Binomials

    Open
  • Math

    Factoring Trinomials

    Open
  • Math

    Common Factors

    Open
  • Math

    Zeros from Factored Form

    Open
  • Math

    Vertex Form

    Open
  • Math

    Axis of Symmetry

    Open
  • Math

    Trigonometric Ratios: Sides

    Open
  • Math

    Trigonometric Ratios: Angles

    Open
  • Math

    Similar Triangles

    Open
  • Math

    Mean and Median

    Open
  • Math

    Percent Change

    Open
  • Math

    Independent and Complementary Events

    Open
  • Math

    Simple Interest

    Open
  • Math

    Compound Interest

    Open
  • Math

    Sales Tax Across Canada

    Open
  • English

    Clear Grammar and Syntax

    Open
  • English

    Literary Devices and Short Stories

    Open
  • English

    Arguments and Fallacies

    Open
  • English

    Rhetoric, Media and Bias

    Open
  • English

    Essays, Research and Citation

    Open
  • English

    Voice, Tone and Mood

    Open
  • Science

    Atoms, Elements and Bonding

    Open
  • Science

    Reactions, Acids and Bases

    Open
  • Science

    Genetics and Evolution

    Open
  • Science

    Motion and Forces

    Open
  • Science

    Climate Change Science and Sustainable Ecosystems

    Open
  • Science

    Waves, Sound and Light

    Open
  • Computer Science

    Data, Searching and Sorting

    Open
  • Computer Science

    Cybersecurity Threats and Cryptography

    Open
  • Computer Science

    The Machine Learning Workflow and Model Evaluation

    Open
  • Computer Science

    Language Models and Search

    Open
  • Computer Science

    AI Agents and Security

    Open
  • Français

    Le plus-que-parfait · Le conditionnel passé

    Open
  • Français

    L'accord du participe passé · La voix passive

    Open
  • Français

    Les marqueurs de relation · Le discours rapporté

    Open
  • Français

    Les anglicismes et les calques · Les faux amis

    Open
  • Français

    Les homophones grammaticaux · La ponctuation

    Open
  • English

    Subject-Verb Agreement

    Open
  • English

    Comma Splices and Run-Ons

    Open
  • English

    Active and Passive Voice

    Open
  • Science

    Speed, Distance and Time

    Open
  • Science

    Ohm's Law

    Open
  • Science

    Density

    Open
  • Computer Science

    Binary and Hexadecimal

    Open
  • Computer Science

    Boolean Expressions

    Open
  • Computer Science

    Trace the Code

    Open
  • Computer Science

    Big-O Complexity

    Open
  • Français

    Le subjonctif présent

    Open
  • Français

    Le conditionnel présent

    Open
  • Civics and Geography

    Time Zones Across Canada

    Open
  • AI thinking

    AI Systems, Autonomy and Responsibility

    Course 1 · From Automated Task to Socio-Technical System and Design Meaningful Human Authority · with ZigiOpen
  • AI thinking

    Research Claims and Reproducibility

    Course 2 · Trace a Claim to Its Evidence and Reproduce, Replicate and Report · with SkokoOpen
  • AI thinking

    Systems Engineering and Requirements

    Course 3 · From Problem Statement to Testable Requirement and Dependencies, Failure Modes and Resilience · with BoggiOpen
  • AI thinking

    Human-Centred Product Design

    Course 4 · Discover the Problem Before Choosing AI and Build, Test and Revise for Real Use · with BrolliOpen
  • AI thinking

    Experiments, Causality and Evidence

    Course 5 · Correlation, Causality and Alternative Explanations and Design a Fair and Reproducible Experiment · with ClakoOpen
  • AI thinking

    Data Pipelines and Governance

    Course 6 · Engineer a Traceable Data Pipeline and Create a Data Governance Plan · with MoffiOpen
  • AI thinking

    Statistics, Sampling and Uncertainty

    Course 7 · Samples, Distributions and What the Average Hides and Uncertainty, Confidence and Misleading Visuals · with KippoOpen
  • AI thinking

    Representation, Features and Data Leakage

    Course 8 · How Representation Shapes Learning and Detect Leakage, Proxies and Shortcuts · with PokkiOpen
  • AI thinking

    Training, Validation and Generalisation

    Course 9 · Train, Validate and Test Without Fooling Yourself and Overfitting, Shift and Robust Generalisation · with TukoOpen
  • AI thinking

    Model Evaluation, Calibration and Robustness

    Course 10 · Choose Metrics for the Decision, Not the Leaderboard and Calibration, Stress Testing and the Model Card · with TrimoOpen
  • AI thinking

    Neural Networks and Embeddings

    Course 11 · From Weighted Signals to Learned Representations and Embeddings, Similarity and Representation Risk · with SlomoOpen
  • AI thinking

    How Language Models Work

    Course 12 · Tokens, Attention and Next-Token Generation and Evaluate Language-Model Outputs Systematically · with InkoOpen
  • AI thinking

    Retrieval, Grounding and Knowledge Systems

    Course 13 · Design Retrieval Before Generation and Build and Audit a Grounded Answering System · with LuppoOpen
  • AI thinking

    Agents, Tools and Orchestration

    Course 14 · Architecture of an Agentic Workflow and Control, Evaluate and Recover Agent Behaviour · with JiggoOpen
  • AI thinking

    AI Security and Adversarial Testing

    Course 15 · Threat-Model an AI System and Red-Team Safely and Verify Mitigations · with WobbiOpen
  • AI thinking

    Fairness, Explainability and Contestability

    Course 16 · Measure and Debate Fairness and Explain, Challenge and Seek Recourse · with KoroOpen
  • AI thinking

    Privacy, Consent and Data Rights

    Course 17 · Privacy by Design and Meaningful Consent and Complete a Privacy Impact Assessment · with SnoroOpen
  • AI thinking

    AI Product Strategy, Deployment and Monitoring

    Course 18 · Build the Product Case and Architecture and Deploy, Observe and Improve Responsibly · with TumoOpen
  • AI thinking

    Governance, Audits and Incident Response

    Course 19 · Design Governance and Audit Evidence and Respond to Incidents and Learn Without Hiding Failure · with TwikoOpen
  • AI thinking

    Responsible AI Capstone and Review Board

    Course 20 · Build, Test and Document the Capstone and Defend, Revise and Publish Responsibly · with SokkoOpen