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

This YouTube video introduces you to the basics of decimals.

Video 1: Explores the conversion of fractions to decimals: tenths, hundredths and thousandths
Video 2: Two examples of converting fractions to decimals

This video explores how decimals are represented on the number line.

Outcomes

In this lesson you will learn about:

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

This video explores how to convert fractions to a decimal with tenths, hundredths and thousandths.

Concept of density. This YouTube video will provide information about the concept of density. It’s great to use as an introduction to the topic or as a way to summarise the topic.

Outcomes:

• Describe how the concept of density relates to an object's mass and volume.
• Explain how objects of similar mass can have differing volume, and how objects of similar volume can have differing mass.
• Explain why changing an object's mass or volume does not affect its density (ie, understand density as an intensive property).
• Measure the volume of an object by observing the amount of fluid it displaces.
• Identify an unknown material by calculating its density and comparing to a table of known densities.

Density of a solid for a regular shaped body. Definition, meaning and its simple calculation

An introduction to the difference between distance traveled and displacement.