What do you call a tree that is made up of numbers? by justholladay Posted on November 7, 2013 What do you call a tree that is made up of numbers? A geome-tree. Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Share on Pinterest (Opens in new window) Pinterest Email a link to a friend (Opens in new window) Email Like this:Like Loading...