Numeration X is an educational app designed to help users master elementary school numeration in four key themes: whole numbers (up to one million), fractions, decimal numbers, and Roman numerals. The app offers a range of exercises to enhance skills such as converting between written words and numerals, comparing numbers, arranging numbers in order, decomposing and recomposing numbers, understanding place value, rounding numbers, and placing numbers on a number line.

With six levels of difficulty, Numeration X allows users to tailor their learning experience and progress at their own pace. Whether you are a student looking to strengthen your numeration skills or an educator seeking a valuable teaching tool, Numeration X provides a comprehensive platform for numerical mastery.