This is an exercise for practicing the grammatical gender of words. There are some rules, like that words ending in "-keit" or "-ung" have femenine gender, but for most words the only way to know is to memorize it.
Practice the declesion of the definite and indefinite articles, and of the personal pronouns.
Artikel, Personalpronomen, Adjektive.
Verb conjugation.
Präsens, besondere Formen, Modalverben, Hilfsverben, Unregelmäßige Verben, Seite 1, Seite 2, Seite 3, Seite 4, Seite 5, Seite 6, Konjunktiv. Trennbare/untrennbare.
Use of the prepositions.
Text with blanks, to complete with words, suffixes, or prefixes.
"Moselromanische Sprache", "Deutsche in Namibia", "Texasdeutsch".