Online Lessons

In this course you will learn about:

1. Rounding off numbers.
2. Estimating answers to calculations.

In this course you will learn about:

1. Angles and lines.
2. Angles formed between parallel lines.
3. Classifying polygons.
4. Quadrilaterals.

In this course you will learn about:

1. Plotting coordinates on the Cartesian plane.
2. Finding the distance and midpoint of two points.
3. Gradient of a line.
4. Parallel and perpendicular lines.

In this course you will learn about:

1. Ratio and rate.
2. Direct and indirect proportion.
3. Simple interest.

In this course you will learn about:

1. The decimal number system.
2. Converting fractions to decimals.
3. Calculations with decimals.
4. Percentages.

In this course you will learn about:

1. The real number system.
2. Natural numbers, whole numbers and integers.
3. The highest common factor.
4. The lowest common multiple.

In this course you will learn about:

• Capacity and volume.
• The metric units of capacity.
• Converting from one unit of capacity to another.

In this course you will learn about:

• The 12-hour and 24-hour clocks.
• Converting times from the 12-hour clock to the 24-hour clock and vice versa.
• The various units of time.
• Converting one unit of time to another.

In this course you will learn about:

1. Identifying and writing algebraic expressions.
2. Recognising and working with like and unlike terms.
3. Simplifying algebraic expressions.
4. Solving linear equations.

In this course you will learn about:

• Defining mass.
• The metric units of mass.
• Comparing different units of mass.
• Converting one unit of mass to another.

In this course you will learn about:

1. Equivalent forms of fractions.
2. Addition of fractions.
3. Subtraction of fractions.
4. Multiplication of fractions.
5. Division of fractions.

In this course you will learn about:

• The different metric units of length.
• Doing calculations with metric units of length.
• Converting one metric unit of length to another.

In this course you will learn about:

1. The real number system.
2. Rational and irrational numbers.
3. How to convert terminating decimals to rational numbers. 
4. How to convert recurring decimals to rational numbers.
5. Rounding off decimal numbers.

In this course you will learn about:

1. The terms perimeter and area.
2. Finding the perimeter of any polygon.
3. Finding the perimeter and area of a trapezium, parallelogram, rectangle and square.
4. Finding the area of a triangle.
5. Finding the perimeter and area of a circle.

In this course you will learn about: 

1. The relationship between the sides of a right-angled triangle.
2. Using the Theorem of Pythagoras to find missing lengths in a right angled triangles. 

In this course you will learn how to:

1. Use exponential notation.
2. Apply the exponent rules.
3. Work with negative exponents.
4. Change fractional exponents to radical form.
5. Rationalise denominators.

In this course you will learn about:

1. What makes up a set.
2. Set notation.
3. Types of sets and Combining sets.

1. The relationship between the sides of a right-angled triangle.
2. Using the Theorem of Pythagoras to find missing lengths in a right angled triangles. 

In this course you will learn about:

1. Enlargement and reduction of shapes using a scale factor.
2. Reflection of geometric shapes.
3. Translation of geometric shapes.
4. Rotation of geometric shapes.

In this course you will learn about:

1. Properties of similar triangles.
2. Conditions for similarity.
3. Proving triangles similar.

In this course you will learn about:

1. Conditions for congruency.
2. Proving congruent triangles.

In this course you will learn:

1. What logarithms are.
2. How to apply the log laws.
3. How to simplify logs.
4. How to solve log equations.

In this course you will learn about:

1. Expanding brackets.
2. Factorising by grouping.
3. Factorising by finding the difference of two squares.
4. Factorising trinomials.
5. Simplifying algebraic fractions

In this course you will learn about:

1. Collecting data.
2. Summarising data.
3. Representing data.
4. Interpreting data.

In this course you will learn how to:

1. Solve quadratic equations by factorisation.
2. Solve quadratic equations by using the quadratic formula.
3. Solve simultaneous equations involving quadratic equations
4. Solve word problems involving quadratic equations.

In this course you will learn how to:

1. Use exponential notation and exponential identities.
2. Multiply exponents.
3. Divide exponents.
4. Raise a power to a power.
5. Change fractional exponents to radical form.
6. Simplify surds.

By the end of this course you will be able to:

• Define and use the trigonometric ratios of  cosθ$cos\theta$ ,  sinθ$sin\theta$ , and  tanθ$tan\theta$ .
• Calculate the value of expressions containing trigonometric ratios with a calculator.
• Calculate the value of expressions containing trigonometric ratios without a calculator.
• Work with trigonometric tables.
• Solve problems in 2 dimensions involving angles of elevation and depression

In this unit you will learn about:

• The importance of immunity and health
• Understand factors which affect health and immunity
• Understand the importance of good personal hygiene
• The meaning of disease and infection
• The common ways of transmisssion of common infections and diseases
• Identify ways to prevent and control the transmission of common diseases and infections
• How common sexually transmitted diseases including HIV are transmitted
• Identify ways to prevent the spread of STI's
• The importance of curative health
• The importance of care and support for people living with HIV

In this unit you will learn:

• The importance of First Aid
• Identify components of a First Aid kit
• Know procedures of giving First Aid
• Identify and prevent potential accidents at home and school
• Understand the basic principles of waste disposal
• Demonstrate correct ways to dispose of waste

In this unit you will learn about:

• Concept of classification
• Importance of classifying living things
• How living things are grouped according to their similarities and differences 
• Different types of classification systems
• Major groups of living things
• Ranks of classification
• General and distinctive features of viruses
• Structure of viruses
• General and distinctive features of bacteria
• Characteristics of pathogenic and non-pathogenic bacteria
• General and distinctive features of the Kingdon of Protoctista
• Structure of Amoeba, Euglena, and Paramecium

In this unit you will learn about:

• cells, and their main characteristics
• different types of cells
• the differences between plant and animal cells
• cell differentiation, formation of tissues and organs

In this unit you will learn about

• Laboratory safety rules
• the basic principles of scientific investigations

In this unit you will learn about:

concept of physics

applications of physics in real life

In this unit you will learn about:

• concepts of measurement
• fundamental quantities
• derived quantities
• basic apparatus and their uses
• density and relative density

In this course you will learn about:

1. Archimedes discovery.
2. Why some objects float and others sink.
3. Buoyant force.
4. Archimedes principle.

In this course you will learn about:

1. Archimedes' discovery.
2. Why some objects float and others sink.
3. Buoyant force.
4. Archimedes principle.

In this course you will learn about:

• The concept of pressure
• Pressure due to solids
• Pressure in liquids
• Atmospheric pressure

By the end of this course you will:

• Be able to define the 'reflection of light'
• Understand the difference between reflected and incident rays
• Be familiar with the two types of reflection viz.: regular and irregular reflection
• Have an understanding of the laws of reflection

In this unit you will learn that: 

• Osmosis is the movement of a liquid from an area of high concentration to an area of low concentration until it reaches equilibrium.

In this unit you learn about:

• Capillarity and its applications.

By the end of this course you will:

• Understand how light is transferred from one point to another 
• Understand how light passes through a medium
• Understand the difference between the propagation and transmission of light

In this unit you will learn about:

• Surface tension and understand that it is a cohesive force

In this unit you will learn about:

• The concept and applications of adhesion
• The concept and applications of cohesion

In this unit you will learn about:

• The concept of elasticity
• Understand the relationship between tension and extension

In this unit you will learn about:

• the concept of work
• understand that work is done by an applied force
• the concept of energy
• identify the different types of energy
• the concept of power

In this unit you will learn about:

• The structure of matter
• Kinetic theory
• The three states of matter

By the end of this course you will be able to:

1. Define and explain what a force is
2. List and describe the main kinds of forces
3. Explain the effects of a force

By the end of this course you will be able to:

• Explain the concept of light
• Identify sources of light
• Distinguish luminous from non luminous objects

In this unit you will learn:

• to distinguish between distance and displacement
• to distinguish between speed and velocity
• understand acceleration
• interpret time-velocity graphs
• use equations of uniformly accelerated motion
• understand the concept of gravitational force

In this unit you will learn about:

• simple machines
• be able to identify different kinds of machines
• identify classes of levers and pulleys
• determine mechanical advantage of a lever and pulleys
• understand and determine the advantage of an inclined plane
• describe and determine the advantage of a screw jack
• describe and determine the advantage of a wheel and axel
• describe and determine the advantage of a hydraulic press

In this unit you will learn:

• about the turning effect of forces
• turning effects are called moments
• understand that regular and irregular shaped objects have a centre of gravity
• an objects centre of gravity determines if it is in a stable, neutral, or unstable equilibrium

In this unit you will learn about:

• The concept of magnetism
• Be able to identify magnetic and non-magnetic materials
• Identify properties and types of magnets
• Understand that metals can be magnetised and de-magnetised
• Understand that magnets have a magnetic field
• Understand that the Earth has a magnetic field

In this unit you will learn that:

• Circuit diagrams are used to show how electrical components are connected in a circuit.
• Individual circuit components are represented using circuit symbols.
• Current is the flow of electrons around a circuit.
• Ammeters are used to measure the current flowing through components. 
• Components in a circuit resist current flow.
• Voltmeters are used to measure the potential difference across components.

In this unit you will learn about the following forms of renewable energy sources:

• Solar energy
• Water energy
• Wind energy
• Sea wave energy
• Geothermal energy

In this unit you will: 

• Understand that temperature is a measure of average kinetic energy.
• Learn about the various temperature scales that are commonly used in science.
• Learn to read temperature scales.
• Differentiate between various thermometers (alcohol or mercury-based).
• Understand that physical properties change when there is a change of temperature.

In this unit you will learn that:

• Static electricity is a build-up of charge in an object.
• The build-up pf charge is caused by insulating materials rub against each other.
• The motion of these charges causes small shocks, lightening and sparks.
• These charges can be detected. 
• Certain materials can be classified as insulators, and others as conductors.
• Capacitors are small devices in circuits which can store charge.
• Lightning rods are used to allow charges from strikes to travel safely and dissipate in the Earth

In this unit you will be able to:

• explain the concept of inertia
• understand and verity Newton's first law of motion
• describe the differences between elastic and inelastic collisions
• explain the concept of linear momentum
• understand and verify Newton's second law of motion
• understand and verify Newton's third law of motion