In the college entrance examinations of 1 and 20 15, Henan province used the first volume of the national new curriculum standard. The overall difficulty is easier than last year, the starting point of the test questions is lower, the multiple-choice questions and fill-in-the-blank questions are barrier-free, students are easy to get started, and the difficulty of the whole set of test questions is progressive, which reflects strong humanistic care and conforms to the spirit of the new curriculum standard. The whole set of test papers remains stable in the question setting and test paper structure, emphasizing the foundation, attaching importance to general methods and mathematical thinking methods, and attaching importance to students' logical thinking ability.

This year's test questions are more innovative than before, breaking through some original fixed patterns, and the test questions are novel and unconventional. Mainly reflected in (1): the logically related test questions (such as 14) appear for the first time, and the difficulty is easy. (2): This year's Probability Statistics Examination (No.18) broke the previous routine, and did not take the distribution table of discrete random variables, but examined the histogram and normal distribution in statistical knowledge. (3): This year, 4-4 was selected from the three middle schools. Polar coordinates and parametric equations, and chose 4-5. Inequality. The questions are very innovative, and the investigation has been increased.

3. In short, this set of papers takes important knowledge as the carrier and relies on mathematical thinking methods, focusing on students' ability to control knowledge, logical thinking, mathematical literacy and mathematical potential, which embodies the concept of the new curriculum.