1, the textbook of this book 1 * * has 8 units, including 4 units in the field of number and algebra. The main contents include addition and subtraction of fractions, multiplication of fractions, division of fractions and solving equations. There are three units in the field of graphic geometry, mainly including cuboid I, cuboid II and position determination; Statistics and probability have 1 unit, and the main content is data representation and analysis; In addition, there are interesting mathematics, classified review and general review.
2. Explore and understand the significance of addition, subtraction, multiplication and division of scores in operational activities; Explore and master the calculation method of addition, subtraction, multiplication and division of fractions and calculate them correctly; It can solve the practical problems of simple fraction addition, subtraction, multiplication and division, and experience the close relationship between mathematics and life.
3, through observation, operation and other activities, know the cuboid, cube and their basic characteristics, and know the development diagram of cuboid and cube; Understand the meaning of volume (including volume); Know the unit of volume (including volume), explore and master the calculation methods of surface area and volume of cuboids and cubes, and solve simple practical problems; Explore some methods for measuring the volume of irregular objects; Guide students to develop hands-on operation ability and space concept in observation, operation and other activities.
4. Be able to comprehensively apply the knowledge and methods learned to solve practical problems and feel the role of mathematics in daily life; Get some preliminary experience and methods of mathematical activities, and develop the ability to solve problems and think with mathematics; Feel the relationship between mathematical knowledge and understand the role of mathematics; In the process of cooperation and communication with peers, cultivate interest and self-confidence in mathematics learning.
5. Improve the drawing method and reading ability of composite bar and composite broken line statistical chart; Understand the meaning of average and learn to find the average of simple data.