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Do you need to preview mathematics in the fifth grade winter vacation?
In order to preview and make use of the winter vacation, parents of fifth-grade students must attach importance to their children's math learning, and strengthen training through preview-doing problems-taking classes with problems, so as to consolidate their math achievements step by step and lay a solid foundation.

I didn't learn much from the second book of fifth grade mathematics, but it was very important. There are nine chapters in the second volume of mathematics, among which there are not many knowledge points such as factors and multiples, cuboids and cubes, the meaning and nature of fractions, and the addition and subtraction of fractions. But they are difficult to understand, which is the focus and difficulty of learning.

The first unit is to observe objects and examine students' observation ability and spatial thinking ability. In the exam, students often draw observation pictures in three directions or judge the original pictures according to three views.

The second unit is factors and multiples. The content of this chapter is abstract, the composite number of prime numbers is the key point of examination, and finding factors and multiples is also a common examination content.

The third unit is a cuboid and a cube. This unit examines the calculation of area, such as side length, surface area and volume, so students must remember the calculation formula and learn to use it flexibly.

The fourth unit is the meaning and nature of fractions. Many students say this is the most difficult part, and it is also the part where knowledge points account for the highest score in the exam. Exams often test the authenticity of scores, the basic nature of scores, and the relationship between converted scores, general scores and fractional decimals.

The knowledge of mathematics in the second volume of the fifth grade is more difficult. Children who know how to learn must make use of their holidays to preview in advance and make clear the focus of next semester, so as to quickly adapt to the pace of learning, find the right learning methods and improve their math scores in the new semester. The following is a summary of the knowledge points of each unit in the second volume of fifth grade mathematics, and use the rest of the holiday time to preview well.