"Direct Proportion" Proportional PPT Courseware 2

Description

"Direct Proportion" Proportional PPT Courseware 2

A car is traveling at a speed of 90 kilometers per hour. The time and distance traveled by the car are as follows:

discuss:

1. There are two quantities ( ) and ( ) in the table.

2. Talk about how the distance changes with time?

3. Write any three corresponding ratios of distance and time, and calculate their ratios.

4. The ratio actually represents ( ). Please use formulas to express their relationship.

Take a look and compare

Looking at these two tables, what do they have in common?

1. The situation of rock, paper, scissors game.

2. The driving time and distance traveled by a car are as follows.

Decide whether the two quantities in each question below are directly proportional and explain why.

1. The number of books in each package is the same, the number of packages and the total number of volumes.

2. A person’s age and his weight.

3. The width remains unchanged, the perimeter and length of the rectangle.

4. The sum is certain, the addend and another addend.

5. There are a certain number of students in the class, the number of students in each group and the number of groups.

6. The age changes of Xiao Ming and his father are as follows. Are the ages of father and son proportional?

Summary of this lesson

In this lesson we mainly studied direct proportion. Students must master the method of judging whether two quantities are directly proportional. Know how to use letters to express the relationship between two proportional quantities!

Keywords: Proportional courseware PPT, Beijing Normal University edition sixth grade mathematics second volume PPT courseware download, sixth grade mathematics slide courseware download, proportional PPT courseware download, .PPT format

For more information about the PPT courseware "Proportion and Proportional Proportion", please click on the Proportion ppt Proportional Proportion ppt tag.

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Update Time: 2024-11-13

This template belongs to Mathematics courseware Mathematics Volume 2 for Grade 6 of Beijing Normal University industry PPT template

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