Mental Arithmetic by Ear

Improve your math skills with 'mental arithmetic by ear'!

With this free training software, you will gain more confidence in mental arithmetics.
During the training, you will listen to mental arithmetic tasks and calculate them. With 5 levels of difficulty supported, mental arithmetic by ear provides a reasonable training for both kids and adults.
Just a few minutes of training each day and you will solve basic calculations on addition, substraction, multiplication, devision and percentages in your day-to-day life immediatelly.
Your kids will increase their performance at school in Math and - if you switched the language of your device - you may also use mental arithmetic by ear to train basic mathemetical vocabular in foreing languages like french, spanish, russian or german.

Mental arithmetic by ear supports 5 levels of difficulty; Starting in 'Simple', which is applicable for kids at elementary school and continuously reaching 'Really Difficult' which shall be a challange even for adults.

Supported Languages:
* German
* English
* Russian (experimental)
* French (experimental)
* Spanish (experimental)

Pass the test to unlock additional levels of difficulty or do a training to be listed on the highscore!

Manual:
Select your name or type it if it was not present jet so that both your progress and highscores will be assigned to you.
Touch the stars to select one of the 5 levels of difficulty.
Start the test to unlock additional levels
Start a training for practice or to get listet in the highscore-table!

Mode "Test"
* 10 Tasks will be read to you in a row. You shall input your answer within 30 seconds.
* Each task will be repeating exactly once after 10 seconds.
* Type the correct answer by using the optimized keyboard
* Once you are sure, hit 'OK' to log your answer
* The result will be presented once you have provided all answers.
* To pass the test you need to have at least 8 correct answers were each type of calculation is contained at least once.

Mode "Beat the highscore"
* Up to 30 Tasks will be presented.
* Provide an answer of the first tasks within 30 seconds, the seconds answer within 29 seconds, etc. ...
* The training ends if the available time of a task was exceeded.
* Each answer will be rated with points (positive Points for correct, negative points for incorrect answers)
* The value of each tasks is calculated on the basis of unused time: The faster you are the more points you get!
* The highscore-list is capable of 10 Places.

Mode "Training"
* use the configuration to select the types of tasks distinctly
* solve as many tasks as you can within a configurable training interval.
* Your kids need to train Division with Rest for school? - Do a 5-Minute training on Division in Level 'Diffiicult' to turn a D into an A grade!

Levels of difficulty:
* Simple (approx. grade 3)
-> Addition / Subtraction up to 18,
-> Multiplication / Division without rest of the multiplaction tables 1, 2 and 3.
* Medium (approx. grade 3-4)
-> Addition / Subtraction of two-digit numbers without Overflow,
-> Multiplication / Division without rest of all multiplaction tables from 1 to 10
* Quite Difficulty (approx. grade 4-5)
-> Addition / Subtraction of two two-digit numbers with overflow.
-> Multiplication / Division including rest up to 10 times 20.
* Difficult (approx. grade 5-6)
-> Addition / Subtraction of any two-digit number with any three-digit number,
-> Multiplikation / Division including rest up to 20 times 20.
* Really Difficult (grade 6+)
-> Addition / Subtraction of two three-digit numbers,
-> Multiplication / Division up to 99 times 99.