did\went\saw\took, etc. What do you call this tense?
think this is the past simple
"Past" is the name of the Tense, "Simple" is the name of the form as distinguished from "Continuous" which is another form of the Past Tense. There are two forms in English -- "Simple" and "Continuous" -- and each Tense -- Past Perfect. Past, Present Perfect, Present and Future can take either form.