Address: The north of the road, 300 meters west to the junction of Hong Kong Road and Shenyang Road in Linyi Economic and Technological Development Zone
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Teaching and research
Positive and negative numbers
1. Knowledge and Skills: Understand how positive and negative numbers are produced; know what is positive and negative; understand the meaning of the quantity represented by the number 0.
2, mathematical thinking: the realization of mathematical symbols and corresponding ideas, using positive and negative numbers to represent the symbolic method of the opposite meaning.
3, solve the problem: will use the cooperation between teachers and students, contact the reality, to stimulate students to learn the enthusiasm of mathematics.
Focus: the meaning of positive and negative numbers.
Difficulties: the meaning of negative numbers and the meaning of 0.
Preparation before class
Thermometer, pencil case
Teaching process arrangement
Activity process and activity content and purpose
Activity 1 Problem introduction Through activities, students learn that numbers originate in life.
Activity 2 Activity Arrangement Brings students into the problem situation and leads to problems.
Activity 3 An example of using more examples to enrich the problem situation.
Activity 4 Learn the concept of negative numbers to show what is positive and negative.
Activity 5 Application of Negative Concepts Further understanding of positive and negative numbers.
Activity 6 Consolidation of the concept of negative numbers A comprehensive understanding of positive and negative numbers.