What are the key points and difficulties in the second volume of the first-grade mathematics textbook of Jiangsu Phoenix Publishing House?

Master the numerical order within 100, and calculate and understand graphics.

The first is to master the order of numbers within 100, compare the sizes of numbers within 100, and master the composition of numbers. The second one can skillfully calculate abdication subtraction within 20, and can calculate addition and subtraction within 100. The third one can describe the characteristics of rectangle and square in his own language, and initially perceive the relationship between the learned figures. Because these three knowledge points often appear in exams, there will be various ways of assessment, and this is the basis of mathematics, which will be more difficult to learn and will be listed as the difficulty and focus of the exam.

Phoenix Publishing House was founded in March, 1984. Is a professional publishing house that mainly sorts out and publishes China ancient literature, history and philosophy books and their research works.