"Negative Numbers on a Line" Negative Numbers PPT Courseware

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"Negative Numbers on a Line" Negative Numbers PPT Courseware

1. Review old knowledge and introduce new lessons

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① When a bus passes by a certain platform, 12 people get on the bus, recorded as ( ) people; 7 people get off, recorded as ( ) people.

② Sunshine Primary School enrolls 300 new students this year, which is recorded as +300 students, then -420 students is represented ( ).

③If the lift rises 3.5 meters, it is recorded as +3.5 meters; -4 meters means ( ).

2. Innovate situations and explore new knowledge

3. Consolidate, deepen and expand applications

If a person walks 5 m eastward first and is recorded as +5 m, then what does it mean for the person to walk -4 m again? How far is he from the starting point at this time? Expressed on a straight line.

If a person starts from the "-2" position and walks 1 meter west and then 4 meters east, where will he arrive?

In the sports standard test, the statistics of the one-minute sit-ups are as follows: Li Yong 45, Zhang Jun 28, Zhang Qiang 33, Zhao Gang 26, and Wang Liang 18. If you do 30 sit-ups per minute, it will be considered as reaching the standard. Use the number of sit-ups that reach the standard as the standard to record each person's performance. The number that just meets the standard is recorded as 0, the number that exceeds is expressed as a positive number, and the number that is insufficient is expressed as a negative number. Please fill in the following table completely.

In a certain math test, the teacher used 80 points as the standard and recorded the scores of six students as +4, +10, -5, 0, +7, and -4. What was the actual average score of these six students?

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For more information about the PPT courseware "Negative Numbers on a Straight Line of Negative Numbers", please click the "Negative Numbers on a Straight Line" ppt tag.

"Exercise Questions" Negative Numbers Flash Animation Courseware:

"Exercise Questions" Negative Numbers Flash Animation Courseware This courseware helps students learn the knowledge points of negative numbers on straight lines in negative numbers in the form of exercises. It summarizes the knowledge points of this lesson. It is a good courseware for consolidating knowledge points and reviewing the course. . Keywords: negative numbers..

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Update Time: 2024-11-22

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

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