Spending time on problem solving As a freshman student going into a Community College pursuing Engineering, I deal with a lot of STEM-based subjects such as Mathematics, Physics, Chemistry, Statics, and etc. Currently my problem is that I still haven't found an effective studying strategy and I'm currently struggling with practicing problem solving. Since there are around a 100 questions in each textbook, I find it to be very tempting to try them all which as a result leaves me with no time to study other subjects or spend time with other things. What's the best strategy to counter this problem?
Make a study plan, spreading time across all subjects.

Perhaps limit the number of questions you attempt in each etc - perhaps choose numbers 3, 5 &amp; 7 for example.

Also include downtime in the plan - even 10 minutes between subjects as a 40 minute max period of concentration then a break is suggested by many.