Noon-1 pm, Aug. 14. “New Rabbi Series” concludes. Rabbi Ariana Silverman speaks about “Tithing” at her home congregation. She will discuss the obligation for Jews to give a percentage of their income to those less fortunate and how to make informed decisions about giving. At Isaac Agree Downtown Synagogue, Detroit. Free; includes a kosher, vegetarian lunch. RSVP: firstname.lastname@example.org or 313-962-4047.