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**Algebra**

*Algebra is the building block of so much mathematics! The UPmaths approach is to learn a few simple skills that will enable you to answer any question. No tricks here! Just simple, intuitive maths with an emphasis on doing and not memorising.*

**Simplifying**

Simplifying is a skill on its own and is often done as a part of other questions.

Mixed Simplifying Fractions Questions (UP3)

Splitting Fractions Challenge (YouTube)

**Equations**

An equation is a way of writing down a pattern or relationship using maths language.

**Same to Both Sides**

Always do the same to both sides of an equation!

Same to Both Sides of an Equation Advanced (UP3) (YouTube)

**Factorising and Expanding**

Factorising and Expanding are the opposite of each other. They are used regularly in mathematics so they are an important basic skill.

When Can We Ignore Brackets? (YouTube)

Spot the Algebra Mistake with these Brackets (YouTube)

Linear and Quadratic Factorising a Combined Approach (UP3) (YouTube)

Factorise Mixed Questions (UP3)

Factorise and Expand Mixed Questions (UP3)

Factorise Mixed Questions Difficult (UP3)

Difficult Expand Questions (UP3)

**Changing the Subject of an Equation**

Changing the subject of an equation uses the skill "do the same to both sides" and also simplifying and factorising/expanding skills.

Changing the Subject of an Equation (UP3)

Changing the Subject of an Equation Difficult (UP3)

Sometimes Factorising Helps With Rearranging Equations (UP3) (YouTube)

**Solving Equations**

Solving equations is a crucial skill! Professional mathematicians will often make an equation based on a real-life situation: solving the equation can then make a phone, bridge, car or other thing work better.

Starting to Solve Quadratics (UP3)

Combined Solve Approach for Linear and Quadratic Equations (UP3) (YouTube)

Difficult Solve Questions (UP3)

Difficult Solve Questions Including Logarithms and Trigonometry (UP3)

Very Difficult Solve Questions (UP3)

The Two Ways of Doing Simultaneous Equations (UP3) (YouTube)

Solving with Coefficients (UP3)

**Inequalities**

Inequalities are like equations but refer to a **range** instead of a point on a graph. Yes an equation can refer to more than one point on a graph but I was trying to give the big picture!

Inequalities Introduction (UP2)

**Equations and Inequalities**

It can be useful to test your knowledge of solving equations and inequalities at the same time. This helps you notice the similarities and differences between these two closely-related skills.

*Playlists on the way soon!*

**Proportionality**

There are many applications of equations. For example, a consistent proportional relationship between two variables can generate a useful equation.

Wording of Proportionality Questions (UP3) (YouTube)

At higher levels of mathematics algebra gets more difficult. Why? I think it is because so many different skills are combined at the same time. I train my students in **pattern recognition** so they can better deal with this confusing amount of information.

**Exponentials and Logarithms**

This has many applications. For example, it is a way of dealing with rapidly changing variables or situations where that involve exponential growth/decay.

Natural Exponential Algebra Practice (UP4)

**Trigonometry**

Often taught in terms of triangles these patterns also occur naturally in circular motion and waves.

Mixed Trigonometry Questions (UP4)

Trigonometry with Letters (UP4)

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