1, the practical problem of mathematics is to use mathematical knowledge to solve practical problems. In the process of solving problems, we need to consider practical problems to choose the calculation process. For example, the quantity problem in the actual problem can only be positive, and if there is a negative number in the result, it must be discarded.

2. Mathematical practical problems, also known as applied problems, mainly examine students' ability to apply mathematical knowledge and whether students can apply mathematical knowledge to practical problems.

3. The solution of practical problems in mathematics is to find out the equivalence relationship or mathematical relationship in a given practical problem, make corresponding mathematical calculations according to the actual situation, and select the results according to the actual situation.