### Algebraic expressions

In this lesson, we will be introduced to algebraic notation and learn how to evaluate and substitute into expressions.

Skip navigation# Unit Overview: Expressions, equations and inequalities

## Lessons:

### Algebraic expressions

### Collecting like terms

### Distributivity and expanding

### Factorising expressions

### Forming and exploring equations

### Exploring equality

### Inequalities

### Further inequalities

### Perimeter expressions

### Perimeter inequalities

### Counting strategies

### Growing tree patterns

12 lessons

In this lesson, we will be introduced to algebraic notation and learn how to evaluate and substitute into expressions.

In this lesson, we will learn to collect together terms that are alike and manipulate linear expressions.

In this lesson, we will use the distributive property to expand brackets with linear expressions.

In this lesson, we will learn how to factorise basic linear expressions using area models.

In this lesson, we will learn the concept of an equation and use models to form equations.

In this lesson, we will form equations and explore how to ensure equality is preserved.

In this lesson, we will use bar modelling to identify and form inequalities.

In this lesson, we will learn how to form inequalities related to a known equation.

In this lesson, we will learn how to form expressions using algebraic lengths and draw shapes given expressions for the perimeter.

In this lesson, we will learn how to establish inequalities from perimeter expressions.

In this lesson, we will generalise counting strategies algebraically for repeating patterns.

In this lesson, we will learn how to generalise counting strategies algebraically for different repeating patterns.

Units in Maths

- Numbers and numerals
- Axioms and arrays
- Factors and multiples
- Order of operations
- Positive and negative numbers
- Expressions, equations and inequalities
- Angles
- Classifying 2-D shapes
- Constructing triangles and quadrilaterals
- Coordinates
- Area of 2-D shapes
- Transforming 2-D figures
- Prime factor decomposition
- Conceptualising and comparing fractions
- Manipulating and calculating with fractions
- Ratio
- Percentages
- Different number systems
- Sequences
- Forming and solving equations
- Forming and solving inequalities
- Linear graphs
- Accuracy and estimation
- Algebra and problem solving
- Ratio (8.6a)
- Ratio, real life graphs, and rates of change
- Direct and indirect proportion
- Univariate data
- Bivariate data
- Famous maths problems
- Angles and parallel lines
- Angles in polygons
- Bearings
- Volume and surface area of prisms
- Area review
- Circles
- FDP review (9.1a)
- Probability
- Sets and Venn Diagrams
- Solving linear simultaneous equations algebraically
- Solving linear simultaneous equations graphically
- Angle review (9.5a)
- Constructions, congruence, and loci
- Pythagoras's theorem
- Famous maths problems
- Ratio review (9.7a)
- Similarity and enlargement
- Surds and trigonometry
- Quadratic expressions (9.9)
- Quadratic equations (9.10)
- Indices and standard form
- Growth and decay
- Finance