| Arbeitsmatrix | Nominativ, Singular | nominative case, singular | |
| Arbeitsmatrixe | Genitiv, Singular | genitive case, singular | |
| Arbeitsmatrixen | Dativ, Singular | dative case, singular | |
| Arbeitsmatrix(e)s | Akkusativ, Singular | accusative case, singular | |
| Arbeitsmatrixer | Nominativ, Plural | nominative case, plural | |
| Arbeitsmatrixern | Genitiv, Plural | genitive case, plural | |
| Arbeitsmatrixn | Dativ, Plural | dative case, plural |