Final answer:
Leon will most likely enter the question 'What are the different branches of mathematics and how are they applied in real life?' into his 'What I want to know' column on his KWL chart.
Step-by-step explanation:
Based on Leon's interests, the question that he will most likely enter into his 'What I want to know' column on his KWL chart would be 'What are the different branches of mathematics and how are they applied in real life?'
Leon's interest in mathematics indicates that he wants to explore the various areas of this subject and understand their practical applications. He may want to learn about branches like algebra, geometry, calculus, statistics, and how they are used in fields such as engineering, finance, and computer science.
By asking this question, Leon will deepen his understanding of the diverse and practical aspects of mathematics, which will help him connect his academic knowledge to real-world scenarios and potential career opportunities.