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Algebraic techniques
Essential Mathematics (Year 9)
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Lesson notes
Chapters
Welcome
Learning objectives
Recap of past learning
What is a binomial product?
Back to junior school
Another way of doing it?
Extending this idea to use letters
FOIL (First, inside, outside, last)
Recap: Like terms
Examples
More Examples
Maths is a big fat trick!
Doing it backwards
Example: Doing it backwards
Example 2: Doing it backwards
Final words
Description
This is the first video in a series looking at algebraic techniques which forms a part of the Year 9 Mathematics course. Looking at expanding binomial products, this is the start of building knowledge and skills to help us factorise quadratics (trinomials). I look at how we can expand brackets and use a number of examples to complement the easy to understand theory.
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FOIL
First inside outside last