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This video explains what polygons are.

This YouTube video investigates what water pollution is and some examples and effects of water pollution.

Part 1: What whole numbers are and how to express them on the number line
Part 2: How to compare whole numbers and how to find the successor and predecessor
Part 3: Common misconceptions about whole numbers
 

What order do you put your brackets in when performing operations on whole numbers? BODMAS: Brackets of division, multiplication, addition and subtraction.

Understanding why distance is area under velocity-time line.

An exploration of how the area under a force vs. position graph equals the work done by the force and solves some sample problems.

An exploration through some example problems on the concept of work.

We can analyse the arrows in a food web to identify producers, primary consumers, secondary consumers, and decomposers.

We can analyse the arrows in a food web to identify producers, primary consumers, secondary consumers, and decomposers.

Worked examples finding displacement and distance from position-time graphs.