Here are some hard math questions for 4th graders: 1. 6/2(1+2) = ? 2. (Word Problem) Linda read 60 minutes for each day for 6 days. Teala read 55 minutes each day for 7 days. What is the difference, in minutes, between the total amount of time Linda read and the total amount of time Teala read. (((The second question is a common core 4th grade question.