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Years 7 to 9
Algebra Index

Algebra

Equations and Formulas

Greatest Common Factor

Activity: Buffon's Needle

Activity: Dropping a Coin onto a Grid

Definition of Density

Definition of Factor

Definition of Factoring

Definition of Greatest Common Factor

Definition of Monomial

Definition of Polynomial

Definition of Surface Area

Factoring in Algebra

Implication and Iff

Symbols in Algebra

Symbols in Geometry

The Language of Mathematics

Exponents

Exponents of Negative Numbers

Index Notation - Powers of 10

Laws of Exponents

Negative Exponents

Using Exponents in Algebra

Variables with Exponents - How to Multiply and Divide them

Inequalities

Introduction to Inequalities

Definition of Inequality

Definition of Number Line

Properties of Inequalities

Solving Inequalities

The Language of Mathematics

Coordinates

Cartesian Coordinates

Gradient (Slope) of a Straight Line

Slope (Gradient) of a Straight Line

Y Intercept of a Straight Line

Area of Irregular Polygons

Calculate the Straight Line Graph

Definition of Polar Coordinates

Equation of a Straight Line

Explore the properties of a straight line graph

Linear Equation Test

Linear Equations

Polar and Cartesian Coordinates

Linear Equations

Commutative, Associative and Distributive Laws

Add Two Numbers and the Answer is Always 1089

Algebra - Definitions

Balance when Adding and Subtracting

Introduction to Algebra - Multiplication

Simplify in Algebra

Solving Equations

Why the Answer is Always 1089

Quadratic Equations

Explore the Quadratic Equation

Function Grapher and Calculator

Quadratic Equations

Trigonometry

3, 4, 5 Triangle

Activity: A Walk in the Desert

Activity: Drawing Squares

Activity: Pythagoras' Theorem

Definition of Hypotenuse

Definition of Pythagoras Theorem

Definition of Right Angle

Definition of Right-Angled Triangle

Pythagoras Theorem

Pythagorean Theorem Proof

Pythagorean Triples

Right Angled Triangles

Scientific Calculator

Polynomials

Degree (of an Expression)

Adding and Subtracting Polynomials

Algebra - Definitions

Algebra - Expanding

Definition of Monomial

Definition of Polynomial

Dividing Polynomials

Factoring in Algebra

Factoring Quadratics

Fractions in Algebra

Mathematical Models

Multiplying Polynomials

Polynomials - Long Division

Functions

Definition of Function

Domain, Range and Codomain

What is a Function

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