Understanding: to know or explain the relevant characteristics of the object from specific examples; According to the characteristics of the object, identify or explain the object from the specific situation.
Something similar: know, have a preliminary understanding.
Example: Know the inner and outer centers of triangles; Be able to know decimals and fractions preliminarily in combination with specific situations.
Understanding: describe the characteristics and origin of an object, and explain the difference and connection between this object and related objects.
Something similar: yes, I will.
Example: know the triangle; You can use rectangular, square, triangular, parallelogram or circular puzzles.
? Mastery: On the basis of understanding, apply objects to new situations.
Something similar: yes.
Example: You can recognize, read and write numbers within 10,000, and you can use numbers to indicate the number of objects or the order and position of things.
Application: comprehensively use the mastered objects, and choose or create appropriate methods to solve problems.
Similar words: prove.
Example: Prove the theorem: congruence of triangles with two equal angles and equal opposite sides in a set of equal angles.
? Experience: Get some perceptual knowledge in specific mathematical activities.
Similar words: feel, try.
Example: feel the meaning of large numbers in life situations; Try to find and ask questions.
Experience: Take part in specific mathematical activities, actively recognize or verify the characteristics of the object, and gain some experience.
Similar word: experience.
Example: I realized the significance of four integer operations in combination with the specific situation. ?
? Inquiry: participate in specific mathematical activities independently or in cooperation with others, understand or ask questions, seek ideas for solving problems, discover the characteristics of objects and their differences and connections with related objects, and gain a certain rational understanding.