"Negative Number Examples" Negative Numbers PPT Courseware 2

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"Negative Number Examples" Negative Numbers PPT Courseware 2

1. Review old knowledge and introduce new lessons

1. Read out each of the following numbers and talk about which numbers are positive and which are negative.

2. Please take notes.

(1) If Xiaohua’s family’s monthly income of 2,500 yuan is recorded as +2,500, then his family’s monthly water, electricity, and gas expenses of 300 yuan should be recorded as ( ) yuan.

(2) If the elevator goes up 15 floors and is recorded as +15 floors, then it goes down 6 floors and is recorded as ( ) floor.

(3) If 3 goals scored are recorded as +3, then 2 goals conceded should be recorded as ( ).

2. Create situations and learn new knowledge

1. Create a situation

The four students in the picture above start from the big tree and walk in opposite directions, east and west. How to express the distance and direction they travel on a straight line?

2. Understand the information and clarify the requirements

(1) What information can you know from the picture? What is the problem to be solved?

(2) Can you try to represent their situation after walking on a straight line?

(3) Requirements: Please complete it independently first, and then communicate in the group.

3. Consolidate connections and deepen understanding

Express each of the following numbers on a straight line.

(1) Tell me how you did it.

(2) Observe the number line you completed. What did you find?

4. Homework

Homework: Exercise 1, question 4 on page 6; Exercise 1, question 7 on page 7.

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For more information about the "Negative Numbers and Negative Numbers Examples" PPT courseware, please click the Negative Numbers ppt Negative Numbers Examples ppt tab.

"Negative Number Examples" Negative Number PPT Courseware:

"Negative Number Examples" Negative Number PPT Courseware 1. Create situations, generate needs, and understand negative numbers (1) Create situations, generate needs. Questions: (1) What problems did the librarian teacher encounter? Can you help her record it? (2) Classmate Xiao Ming recorded this...

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Update Time: 2024-10-02

This template belongs to Mathematics courseware People's Education Press Mathematics Volume 2 for Sixth Grade industry PPT template

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