Hello, and welcome!
I think that you're going about things the right way: work on fundamentals first, and try the more complex problems later on. The Q and V scores that you will ultimately obtain are inextricably linked to your understanding of the basic mechanics. As such, your most important task is to prepare yourself adequately on the fundamentals. The Manhattan GMAT (MGMAT) books are always a good place to start: The Foundations of GMAT Math should put you on-course for the quantitative
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I think that you're going about things the right way: work on fundamentals first, and try the more complex problems later on. The Q and V scores that you will ultimately obtain are inextricably linked to your understanding of the basic mechanics. As such, your most important task is to prepare yourself adequately on the fundamentals. The Manhattan GMAT (MGMAT) books are always a good place to start: The Foundations of GMAT Math should put you on-course for the quantitative
...
