MATTEGUIDEN FROM MATTEFIX

Practise maths for free
step by step.

Six questions. One first step. Get help finding an explanation that suits what you need to practise.

  1. 01 Choose a topic
  2. 02 Try at your own pace
  3. 03 Get tips and start to understand

Free and without an account. This is a small selection of questions, not an assessment of your whole course.

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Lower secondary and revision

Working with fractions

Fractions describe parts of a whole. Here you can see how to calculate with them and why a common denominator helps.

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Lower and upper secondary

Percentages

A discount, a price increase or a change over time: start by distinguishing the part, the whole and the percentage.

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Lower and upper secondary

Solving equations

An equation says that two expressions are equal. The aim is to find the unknown number while keeping the balance.

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Lower and upper secondary

Linear functions

A function describes a relationship. For a straight line, k gives the slope and m gives where the line crosses the y-axis.

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Lower and upper secondary

Powers

A power is a short way of writing repeated multiplication. Here you can get to grips with exponents and the rules that go with them.

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Lower secondary and revision

Area, volume & Pythagoras

Start with the shape and what the problem asks for. Here you will find methods for area, volume and the sides of a right-angled triangle.

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Upper secondary · selected topics

Squaring identities

Recognising the pattern in an expression makes it easier to expand or factorise it. Here you can see the rules in use.

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Upper secondary · further topics

Derivatives

Derivatives help you describe how quickly something changes. Start with rates of change and continue with differentiation rules.

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Upper secondary · selected topics

Sin, cos & tan

Trigonometry connects angles and side lengths. Here we move from right-angled triangles to the unit circle and triangle rules.

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Upper secondary · algebra

Quadratic equations

A quadratic equation contains x². Here you choose a method, follow the calculation and check the solutions. Start with the examples, then try three problems yourself.

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Upper secondary · powers and logarithms

Logarithms

A logarithm answers the question: which exponent is needed? Here we connect logarithms to powers and use them when the unknown variable is in the exponent.

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Lower secondary and revision

Statistics

Which number best describes a group of values? Mean, median and mode show different things. Here we use the same example and see what happens when one value stands out.

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Lower and upper secondary

Probability

How likely is something to happen? Start with possible outcomes, then move on to several events. The examples show when you can multiply and when the probability changes.

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The guides are a supplement and cover selected parts of mathematics.