3a) Using 'talk partners' in a lesson, means a teacher asks a question and then asks the class to discuss their answer to this question with a partner. So, it promotes effective talk in the classroom.
3b) Twos to fours promotes effective talk in the classroom because the partners can match up with another set of partners and compare their discussion incase, they have been assigned a certain topic or any assignment by the teacher to do.
3c) Evoying is a powerful tool in helping students to understand new concepts since it includes debate.It also helps students to gather their thoughts, process information and remember it
3d) Jigsawing is technique that includes organizing student group work to helps them collaborate and rely on one another. This strategy is effective for accomplishing multiple tasks at once and for giving students a greater sense of individual responsibility.