"Determine Location" Position and Coordinates PPT Courseware 3

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"Determine Location" Position and Coordinates PPT Courseware 3

Do it

If (0,0) is used to represent the position of point A and (2,1) is used to represent the position of point B, then

(1) How to express the positions of the five vertices of the five-pointed star in the picture?

(2) How to express the positions of the five chess pieces in the picture?

(3) Which chess pieces are at positions (6,1) and (10,8) in the picture?

Apply what you learn

Example 2: A schematic diagram of a school, using a scale and a protractor to solve the following problems

(1) How many degrees north by east is the teaching building located at the school gate? How many centimeters is the distance to the school gate shown on the map? What about the actual distance?

(2) A certain building is located about 75° south by east of the school gate. The actual distance to the school gate is about 240 meters. Name this place.

(3) If (2,5) is used to express the location of the school gate in the picture, how to express the location of the library? (10,5) represents the location of which location?

"Monster Pac-Man" is a computer game. The symbols in the picture represent several locations that the "monster" has passed through.

If (1,2) is used to represent the third location that the "monster" passes along the route pointed by the arrow in the picture, can you use the same method to represent the other locations that the "monster" passes in the picture?

As shown in the figure, point A represents the intersection of 3rd Street and 5th Avenue, and point B represents the intersection of 5th Street and 3rd Avenue. If we use (3,5)→(4,5)→(5,5)→(5, 4) → (5,3) represents a path from A to B, so can you write several other paths from A to B in the same way?

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Update Time: 2024-11-26

This template belongs to Mathematics courseware Beijing Normal University eighth grade first volume mathematics industry PPT template

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