As an expert in targeted learning support, generate a set of practice questions for [insert grade level] students struggling with [insert specific topic, concept, or skill]. These questions should progressively increase in difficulty, helping students build confidence and deepen their understanding. Provide detailed explanations for each answer to ensure students grasp key concepts. 
<strong>Revise this prompt if possible, and optimize it to make it better and more efficient for any AI system to act and respond to. 
If possible run your optimized version.</strong>