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About Arismetica

The four operations form the basis of all mathematics, so it is important that you master them fully. With Arismetica, it is easy to practice - just choose the operation type and difficulty level, and start practicing right now - no registration required and completely free.

You practice with short, specially designed time-limited exercises. The time limit encourages you to quickly try to remember, rather than calculating them. The goal is that these calculations become automatic, so you don't have to think about it, you just know the answers.

Like all new skills, the four operations require time and practice. In order to achieve results, continuous practice is recommended over a length of time, e.g. shorter practice sessions of 10-15 minutes a day, 4-5 times a week. The results are saved so you can see how it went the last few times and work on any weaknesses.

Arismetica can be used in any current browser and because the interface adapts to the device being used, Arismetica works just as well on a computer, tablet or mobile.

For teachers

Arismetica makes it easy to practice the four operations. Students can practice those skills that need a little extra focus at any time with no preparation required from the teacher.

The short, time-limited exercises are designed so that students can start providing automatic responses to certain basic calculations - the goal is for them to know what the answer is without having to perform calculations.

With an Arismetica teacher account you can create customized math activities which your students can complete independently. These activities consist of one or more exercises for students to practice mental arithmetic. You can then easily follow students' results while they complete the exercises.

Read more about the benefits of a teacher account.

For parents

Arismetica is a simple and flexible solution for parents who want to give their children the opportunity to practice the four operations outside of school as well. The short and challenging exercises are not only fun, but are also self-correcting and show the correct answer if the incorrect one is entered.

Arismetica is free and it's easy to get started - no registration required. Just choose the type of operation and difficulty level and you can start practicing right away. The exercises work just as well on a mobile as on a computer, so you can practice math anytime and anywhere.

Support your child at school by making Arismetica a permanent feature of everyday life. All mathematics learning requires a certain amount of repetition, and this is especially true for mastering the four operations. Practice our tests regularly, several times a week, and watch their math skills improve as a result.