Great question - keep a list of Quant questions that you've had this experience solving.
Every day, at the start of your study session, go to the 5 questions you've seen LEAST recently.
Re-solve these 5 questions, paying particular attention to what you write down, and how organized it is.
If you get stuck, re-check the solution path.
What you're doing is developing your pattern recognition. You're also associating specific approaches to specific patterns.
Pattern recognition is different at the 700 level than it is at the 600 level.
How did you learn to tie your shoes? Repeating the same thing over and over again. NOT trying a new way every single time.
Do this for about 1 month, circle back, and let me know about the results
Does that help?