### Expressions and variables

In this lesson, we will look at the different values that expressions can take, and how changing a variable can change the value of the expressions.

Skip navigation# Unit Overview: Forming and solving equations

## Lessons:

### Expressions and variables

### Equations and identities

### Forming and solving linear equations 1

### Forming and solving linear equations (Part 2)

### Equating linear expressions

### Solving further linear equations

### Solving geometric problems using linear equations

### Forming and solving equations from descriptions

8 lessons

In this lesson, we will look at the different values that expressions can take, and how changing a variable can change the value of the expressions.

In this lesson, we will look at the difference between an equation and an identity.

In this lesson, we will look at how we can form linear equations, and solve them.

In this lesson, we will look at using different methods for forming and solving linear equations.

In this lesson, we will form equations for perimeters and equate them.

In this lesson, we will look at more difficult linear equations and solve them using algebraic methods.

In this lesson, we will use our knowledge of geometry and angle facts to form and solve linear equations.

In this lesson, we will form linear equations from worded descriptions, and then solve them.

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