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This video explains about coefficient, constant, variable and exponents. Useful for introductions to the topic and/or extension work. 

These videos look at how to compare decimals.

The two YouTube videos provide an indication of the differences in dairy farming between Tanzania and South Australia.

• The first YouTube video elaborates on a few of the achievements that resulted from the implementation of the Tanzania livestock master plan between 2017/18 - 2021/22
• The second YouTube video provides some insight into the dairy industry in South Australia

The amount of effort saved when using machines is called mechanical advantage (MA). Simple machines use mechanical advantage as a key property to their functionality, helping humans perform tasks that would require more force than a person could produce. We will use the lever as an example of a simple machine to illustrate the concept of mechanical advantage.

An interactive lesson discussing congruent triangles.

Outcomes

In this course you will learn about:

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

This online activity provides you with exercises on converting fractions to decimals.

• Relate the electrostatic force magnitude to the charges and the distance between them
• Explain Newton's third law for electrostatic forces
• Use measurements to determine Coulomb’s constant
• Determine what makes a force attractive or repulsive

In this lesson 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.

This course will explain what decimals are, how fractions can be expressed as decimals and how to convert fractions to decimals.