5 and 3 2 and 3 4 and 1

Objective: To investigate students' comprehensive ability to use three relational symbols.

Answer: 5 > 3,2<3,1< 4,

3 & lt5，3 & gt2 , 4 > 1

Analysis: Let students intuitively feel that the positions of two numbers are different and the mathematical symbols used change, but the relationship between the two numbers remains unchanged.

Fourth, think about it and fill it out.

5 & gt() 1 & lt； ( )

Objective: To investigate students' ability to solve problems by comprehensively applying what they have learned.

Answer: 5 > (4, 3, 2,1)1< ( 2、3、4、5 )

Analysis: Cultivate students' good habit of carefully examining questions and thinking about problems comprehensively. At the same time, cultivate students' sense of numbers.