Another reason why printable questions and answers are so beneficial originates from the truth that you can make as many copies as you require for your class tasks. There are some circumstances where it would be more convenient (and therefore cost-effective) to just provide the students one set of answers instead of an entire book or lesson. You might want to do some group deal with an upcoming task that requires numerous long hours of explanation. In this case, it would be more economical to simply have a few group sheets printed rather than printing out several hundred pages of handouts.
Using group work in the class can be a great method to make class interaction more memorable and significant. In some cases it’s easier to ask questions to a bigger group rather than whittle your answers down to a handful.
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