| Category | Format | Size |
|---|---|---|
| Hebei Education Edition Seventh Grade Mathematics Volume 1 | pptx | 6 MB |
"Angle and the Measurement of Angle" PPT Courseware 2
Description
"Angle and the Measurement of Angle" PPT Courseware 2
1. Xiao Ming’s house is 5 kilometers away from the school, and Xiao Hong’s house is 2 kilometers away from the school. Xiao Ming’s house, Xiao Hong’s house, and the school are in a straight line. So Xiao Hong’s house is ______ kilometers away from Xiao Ming’s house?
2. When farmers dig canals, they first erect posts and pull wires at both ends, and then excavate. The purpose of this is to make the excavated canals straight. The mathematical principle contained in it is ________
3. Straightening the crooked river can reduce navigation routes. The reason is: ______________
4. Determine whether it is true or false:
(1) The figure formed by two rays is called an angle.
(2)∠B=∠ABC+∠CBD．
Three discussions
Task: Revise the answers to the outline, discuss and master it
1. Angle conversion;
2. The angle problem of the clock hands;
3. Exploring the rules of the number of angles
Requirements: The team leader is responsible and everyone participates!
Four exhibitions
Task: key questions in the outline and answer:
1. Steps of angle conversion;
2. The angle of the clock hands;
3. Exploring the rules of the number of angles
Requirements: Loud, standardized, clear and prompt
Keywords: teaching courseware for angles and the measurement of angles, download the seventh grade mathematics PPT courseware for the first volume of the Hebei Education Edition, download the seventh grade mathematics slide courseware, download the PPT courseware for angles and the measurement of angles, .PPT format;
For more information about the "Angle and the Measurement of Angle" PPT courseware, please click the "Angle and the Measurement of Angle" ppt tag.
"Angle and the Measurement of Angle" PPT courseware:
"Angle and the Measurement of Angle" PPT courseware Learning objectives of this section: 1. Two definitions of angle and three ways to express angle. 2. The measurement unit of angle and the conversion of angle. The image of angle in life! What is an angle? ? There are many examples related to angles in life. Observe the picture below. Can you point out...
File Info
Update Time: 2024-07-13
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