A teacher conducts an activity where a short text is divided into two different chunks, or alternate sentences are given to pairs. Each learner dictates their part to the other, and they later correct the whole text together. What is this activity known as?

A teacher divides her class students into pairs (Partner A and Partner B). Partner A dictates words to Partner B, who fills in the gaps without looking at Partner A's worksheet to complete the text. What is this task known as?

Lata, an English language teacher of Class VII, divides the class into pairs to read a sequence of pictures and then describe it to each other. What is this activity pedagogically known as?