"Using Ordinal Number Pairs to Represent Positions" PPT Courseware 2 Simple campus recruitment activity planning plan summary enterprise and institution recruitment publicity lecture PPT template is a general PPT template for business post competition provided by the manuscript PPT, simple campus recruitment activity planning plan summary enterprise and institution recruitment promotion Lecture PPT template, you can edit and modify the text and pictures in the source file by downloading the source file. If you want more exquisite business PPT templates, you can come to grid resource. Doug resource PPT, massive PPT template slide material download, we only make high-quality PPT templates!
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Authoritative PPT Summary
"Using Ordinal Number Pairs to Represent Positions" PPT Courseware 2
learning target:
1. Let students experience different methods of determining the position of objects in real-life situations.
2. Able to use ordered number pairs to determine the position of objects
3. Let students feel the close connection between life and mathematics, and cultivate their interest in learning mathematics and their awareness of applied mathematics.
Independent exploration:
1. Combined with the game, observe Figure 14-1 on page 164 of the textbook, and fill in the blanks below Figure 14-1.
Xiaoying's position is in the third row and fifth column, represented by ________. The number pair (2, 4) represents the position of row ____ and column ____. The student ranked at this position is _________.
2. Do the number pairs (2, 4) and (4, 2) represent the same position? Why?
The position of a point in the plane is represented by an ordered pair of numbers.
Exploration 1:
If (0, 0) represents the location of the office building, (0, -2) represents the location of the school gate, and (3, 0) represents the location of the wind and rain playground, then (2, 6) represents the location of which building? How to express the positions of several other buildings?
Expansion two:
1. The position of "general" can be expressed as (5,2), and the position of "handsome" can be expressed as _________
2. The position of ___ on the picture is expressed as (5, 8).
Tell us about your gains and feelings from this class?
In this lesson we learned:
①The concept of ordered number pairs;
②Ordered number pairs can be used to represent the position of the object;
③Points in the plane can be represented by ordered number pairs.
Compliance testing:
1. Which of the following statements is wrong ( )
A. Determining the position of a point in the plane generally requires two pieces of data.
B.(1,2) and (2,1) represent the same point
C. Determining the position of a point on a straight line only requires one piece of data.
D. There is more than one way to determine the position of a point in the plane
2. The following sentences: (1) No. 6, row 5; (2) 23° south by east
(3) No. 68 Jiefang Road; (4) 60° north latitude and 90° east longitude. The one that can determine the specific location of the object is ________ (fill in the serial number).
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"Using Ordinal Number Pairs to Represent Positions" PPT courseware:
"Using Ordinal Number Pairs to Express Positions" PPT Courseware Observation and Thinking Question 1: In a physical education class, if 48 people in the class stand in a line, how do you express the position of a certain student? Question 2: If the students are arranged in 6 rows and 8 columns (as shown below), how to indicate the small...