Which of the following is a common mistake that people make when writing summaries? including too little information including supporting details writing their own notes finding the main idea

A common mistake that people make when writing summaries is including too little information. A properly made summary must contain the main idea and supportive details in a nicely digested way. But if a summary lacks one of this factors, especially when it contains too little information it cannot give readers full image of the story that was summed up and, as a result, the main facts of the story would be omitted, spoiling the digested plot.

Your answer would be a

Show his work so he doesn’t get points taken off. this is because even if he can do calculations in his head, he may make a mistake and having it on the paper will not only him find mistakes but show that he was doing the work as well.