"Scaleing of Graphics" Proportion PPT Courseware

Category	Format	Size
Mathematics Volume 2 for Grade 6 of Beijing Normal University	pptx	6 MB

"Scaleing of Graphics" Proportion PPT Courseware

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Upload Time: 2024-09-22

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Description

"Scaleing of Graphics" Proportion PPT Courseware

learning target

1. Through observation and operation, realize the necessity of scale and the practical significance of expanding or reducing according to the same ratio.

2. Through the scaling of graphics and combined with specific situations, feel the similarity of graphics.

Question 1. ①What does it mean when the ratio of the length to width of a rectangle is 6:4?

②The ratio of 6: 4 is ＿＿＿＿.

③Simplification ratio: 36:18 0.25:0.15

Question 2: Study the graphics on page P28, who draws the likeness? How do you judge?

fill in the blank:

1. Magnify each side of a figure to 4 times its original size. The ratio of the corresponding length of the enlarged figure to the original figure is (:), that is, the original figure is enlarged by the ratio of (:).

2. Reduce each side of a figure to 1/3 of its original size. The ratio of the corresponding length of the reduced figure to the original figure is (:), which means that the original figure is reduced by the ratio of (:).

Keywords: PPT courseware for zooming in and out of graphics, download PPT courseware for the second volume of sixth grade mathematics from Beijing Normal University, download courseware for sixth grade mathematics slides, download PPT courseware for zooming in and out of graphics, .PPT format

For more information about the "Scaling of Proportional Graphics" PPT courseware, please click the "Scaling of Proportional Ppt Graphics" PPT tab.

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Update Time: 2024-09-22

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"Scaleing of Graphics" Proportion PPT Courseware