### Parts of a circle

In this lesson, you will learn about the different parts of a circle and the relationship between the diameter and the radius.

8 lessons

In this lesson, you will learn about the different parts of a circle and the relationship between the diameter and the radius.

In this lesson, you will learn about the relationship between the circumference and the diameter

In this lesson, you will learn how to calculate the arc length for fractions of circles

In this lesson, you will calculate the perimeter of shapes involving fractions of circles

In this lesson, you will learn to calculate the area of a circle

In this lesson, you will look at different formulas for area of a circle and combine your knowledge with the work on circumference

In this lesson, you will learn how to find the areas of sectors

In this lesson, you will learn how to calculate the area of compound shapes involving circles

Units in Maths

Units in Geometry

- 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 (8.7a)
- Ratio, real life graphs, and rates of change
- Direct and indirect proportion
- Univariate data
- Bivariate data
- Famous maths problems
- Angles and parallel lines review
- Angles in polygons
- Bearings
- Volume and surface area of prisms
- Area review
- Circles
- FDP review (9.1a)
- Probability
- Sets, Venn and sample space 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

- Faces, shapes and patterns: lines and turns
- Circles
- Transformations
- Angles
- Shape and pattern
- Bearings
- Coordinates
- Angles and shape
- Shape and sorting
- Constructions, congruence, and loci
- Transforming 2-D figures
- 2-D and 3-D shape
- Angles in polygons
- 3D Shape
- Coordinates and shape
- Classifying 2-D shapes
- Area of 2-D shapes
- Pythagoras’s theorem
- 2-D Shape and Symmetry
- Missing angles and lengths
- Volume and surface area of prisms
- Ratio review (9.7a)
- Constructing triangles and quadrilaterals
- Shape and patterns