pptx, 12.9 MB
pptx, 12.9 MB

IB Math HL AHL 1.14 – Introduction to Matrices

Topic: Number and Algebra
Level: IB Mathematics: Analysis and Approaches (HL)
File Type: Editable Slides / Worksheet

Overview
This resource introduces matrices as a structured way of representing and manipulating data.
Students will learn how to define matrices, perform algebraic and scalar operations, find determinants and inverses, and use matrices to solve systems of linear equations.

The lesson connects abstract algebraic concepts to practical applications such as linear transformations and real-world problem solving using inverse matrices.

Learning Objectives

By the end of this lesson, students will be able to:

  • Define a matrix and identify its elements, rows, and columns.
  • Perform basic operations including matrix addition, subtraction, and scalar multiplication.
  • Carry out matrix multiplication using the dot product.
  • Identify and interpret identity and zero matrices.
  • Compute determinants and inverses of 2×2 and 3×3 matrices.
  • Represent and solve systems of linear equations in matrix form
  • Ax=b using inverse matrices.

What’s Included

  • Introduction to matrices as rectangular arrays of elements organized by rows and columns.
  • Visuals demonstrating key matrix components and terminology.
  • Examples and explanations of matrix operations, including addition, subtraction, scalar multiplication, and dot product multiplication.
  • Step-by-step derivations of determinant formulas for 2×2 and 3×3 matrices.
  • Explanation of identity and zero matrices and their properties.
  • Introduction to matrix equations
  • Applied problem using hotel pricing data, demonstrating how to model and solve real-world systems with matrices.
  • Complete worked solutions showing setup, substitution, and interpretation of results.

Topics Covered

  • Matrix definition, notation, and structure.
  • Matrix operations and properties.
  • Determinants and inverses of matrices.
  • Identity and zero matrices.
  • Solving systems of equations using inverse matrices.
  • Applications of matrices in real-world contexts.

Why You’ll Love It

  • Provides a strong foundation for advanced linear algebra and transformation topics.
  • Combines theoretical understanding with hands-on application.
  • Step-by-step explanations suitable for classroom instruction or independent study.
  • Connects matrix algebra to problem solving in realistic scenarios.
  • Fully aligned with IB Math HL Topic 1: Number and Algebra.

Tags: IB Math HL, Matrices, Determinants, Matrix Inverse, Matrix Operations, Systems of Equations, Linear Algebra, Number and Algebra, IB Curriculum, Lesson Slides

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A bundle is a package of resources grouped together to teach a particular topic, or a series of lessons, in one place.

Bundle

IB Math AI Unit 1 - Numbers and Algebra Slidedeck Bundle

**IB Math AI HL Unit 1 – Number and Algebra Full Slide Deck Bundle** **Topics:** Standard Notation, Arithmetic Sequences, Geometric Sequences, Financial Applications, Exponents & Logarithms, Approximation & Percentage Error, Amortisation & Annuities, Solving Equations Using Technology, Laws of Logarithms, Simplifying Expressions, Infinite Geometric Sequences, Complex Numbers, Polar & Exponential Form, Matrices, Eigenvalues & Eigenvectors **Level:** IB Mathematics: Applications and Interpretation (HL & SL combined) **File Type:** Complete Editable Slide Deck Bundle **Bundle Price:** £45 → **£30 (33% discount)** --- ### **Overview** This premium bundle contains **every slide deck from Unit 1 – Number and Algebra** for both **Standard Level (SL)** and **Higher Level (HL)** components of the IB Mathematics: Applications and Interpretation syllabus. From notation and sequences to logarithms, complex numbers, and matrices, these PowerPoints provide a complete, sequenced journey through every sub-topic in Unit 1 — each aligned to IB command terms and assessment objectives. --- ### **Learning Outcomes** By completing all lessons in this bundle, students will be able to: * Represent numbers using **standard and scientific notation**. * Recognise and model **arithmetic and geometric sequences and series**. * Apply sequence concepts to **financial models** including compound interest and depreciation. * Manipulate and simplify **expressions with exponents and logarithms**, including laws of logs. * Evaluate approximations and calculate **percentage errors** with precision. * Use **technology** to solve equations and financial models. * Extend to **infinite geometric series** and determine conditions for convergence. * Work with **complex numbers**, including conjugates, Cartesian and polar forms. * Understand and apply **matrices** to represent and solve systems of equations. * Compute **eigenvalues and eigenvectors** and interpret their meaning in matrix transformations. --- ### **What’s Included** * **15 editable PowerPoint slide decks**, each covering a syllabus subtopic. * Concept introductions, worked examples, IB-style questions, and solutions. * Step-by-step demonstrations using technology (where applicable). * Visual representations of concepts using graphs, tables, and diagrams. * Designed for **classroom or digital delivery** — fully editable and teacher-ready. --- ### **Topics Covered** #### **Standard Level (Topics 1.1 – 1.8)** * **1.1 Standard Notation** – Scientific notation, orders of magnitude, and significant figures. * **1.2 Arithmetic Sequences** – nth-term formula and sum of a finite series. * **1.3 Geometric Sequences** – Common ratio and sum of finite and infinite series. * **1.4 Financial Applications of Geometric Sequences and Series** – Compound interest and depreciation. * **1.5 Exponents and Logarithms** – Exponential laws, log rules, and solving equations. * **1.6 Approximation, Estimation & Percentage Error** – Rounding, significant figures, and error bounds. * **1.7 Amortisation & Annuities Using Technology** – Using financial solvers to model payments and loans. * **1.8 Solving Equations Using Technology** – Calculator and graphical solutions to linear and non-linear systems. #### **Higher Level (Topics 1.9 – 1.15)** * **1.9 Laws of Logarithms** – Proofs and applications of logarithmic identities. * **1.10 Simplifying Expressions** – Rational exponents and algebraic simplification. * **1.11 Infinite Geometric Sequences** – Conditions for convergence and sum to infinity. * **1.12 The Complex Number** – Real and imaginary components and complex conjugates. * **1.13 The Polar and Exponential Form** – Modulus, argument, and Euler’s form. * **1.14 Introduction to Matrices** – Matrix operations, determinants, and inverses. * **1.15 Eigenvalues and Eigenvectors** – Characteristic polynomials and diagonalization. --- ### **Why You’ll Love It** * Covers **every Number and Algebra topic** for both SL and HL in one coherent bundle. * Fully aligned with the **IB AI HL syllabus** and assessment objectives. * Clean, professional, and visually consistent design for seamless teaching. * Perfect for full-term planning or comprehensive revision. * **Save 33% (£15)** versus buying each deck individually. * The most complete Unit 1 teaching solution available for IB Math AI HL. --- ### **Tags** IB Math AI HL, IB Math AI SL, Number and Algebra, Sequences and Series, Exponents, Logarithms, Matrices, Complex Numbers, Eigenvalues, Polar Form, Financial Mathematics, Amortisation, IB Curriculum, Lesson Slides, Bundle

£30.00

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