mathematics
Mathematik is the German word for mathematics. It is a noun and is used in the same way as in English. It refers to the study of numbers, quantities, and shapes, and the relationships between them.
I have a test in mathematics.
This sentence means the speaker is expressing that they have a test in a subject, in this case, mathematics.
Mathematics is a difficult subject for many students.
This sentence means that the speaker is expressing the idea that mathematics is considered difficult by many students.
Mathematics is the basis of many other sciences.
None