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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.

Using a one-dimensional number line to visualise and calculate distance and displacement.

This online resource discusses the distribution of earth's water.

Part 1: Distributive property of multiplication over the addition and subtraction of whole numbers
Part 2: Examples of the distributive property of multiplication over the addition and subtraction of whole numbers
Part 3: Common mistakes made and misconceptions

Video 1: Dividing a decimal by a whole number with fraction models
Video 2: Dividing a decimal by a whole number on the number line
Video 3: Example of dividing a decimal by a whole number
Online activity 1: Dividing decimals by whole numbers
Video 4: Visually dividing a whole number by a decimal
Online activity 2: Dividing whole numbers by decimals

This online activity provides exercises on dividing decimals by decimals.

Learn about DNA (deoxyribonucleic acid). Overview of DNA bases, complementary base pairing, and the structure of the double helix.

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

• Understand when to use Venn diagrams.
• Draw Venn diagrams.
• Interpret Venn diagrams.

The Earth behaves like a giant bar magnet and as such there is a magnetic field present around it. The Earth’s magnetic field is thought to be caused by flowing liquid metals in the outer core of the planet which causes electric currents and a magnetic field.