"Solution to Proportion" Proportion PPT

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"Solution to Proportion" Proportion PPT

Part One: Learning to Import

1. Experience the process of solving proportions, understand the meaning of solving proportions, master the methods of solving proportions, and learn to solve proportions. (emphasis)

2. Be able to correctly solve proportions based on the basic properties of proportions or the meaning of proportions. (difficulty)

Solution to proportion PPT, part 2: review introduction

According to the basic properties of proportion, change the following equations into multiplication equations.

3:15=8:40 x:4=1:2

3×40=15×8 2x=4

In proportion, the product of two external terms is equal to the product of two internal terms. This is called the basic property of proportion.

Solving Proportions PPT, Part 3: Exploring New Knowledge

Knowledge points: The meaning and method of solving proportions

According to the basic properties of proportions, if any three terms in a proportion are known, the other unknown term in the proportion can be found.

The height of the Eiffel Tower in Paris, France is about 320m. There is a model of the Eiffel Tower in the World Park in Beijing. The ratio of its height to the height of the original tower is 1:10. How many meters tall is this model?

Solution: Suppose the height of this model is x meters.

x:320=1:10

How to find the unknown number in a ratio?

Knowledge refining

1. Finding the unknown terms in a ratio is called solving the ratio.

2. To solve the proportion based on the basic properties of the proportion, first convert the proportion into a form in which the product of the external terms is equal to the product of the internal terms to obtain an equation, and then find the value of the unknown term by solving the equation.

Solving Proportions PPT, Part 4: Class Summary

What knowledge have you learned in this class?

1. Finding the unknown terms in a ratio is called solving the ratio.

2. To solve the proportion based on the basic properties of the proportion, first convert the proportion into a form in which the product of the external terms is equal to the product of the internal terms to obtain an equation, and then find the value of the unknown term by solving the equation.

Solving Proportions PPT, Part 5: Homework

Assignment 1: Preview the next lesson.

Assignment 2: Complete the exercises corresponding to the detailed explanations in the textbook.

Keywords: Free download of PPT courseware for sixth grade mathematics volume 2 of the People's Education Press, download of solution proportion PPT, download of proportion PPT, .PPT format;

For more information about the "Proportions and Solutions to Proportions" PPT courseware, please click on the Proportions PPT and Solutions to Proportions PPT tab.

"Solution to Proportion" Proportion PPT download:

"Solution to Proportion" Proportion PPT download Part 1: Review and import the basic properties of applying proportion and complete the following questions. ( ):4=2:8 7.2:( )=0.9:1.25 24:9=8: ( ) 64:( )=16:2... ... Solve the proportion PPT, the second part of the content. .

"Solution to Proportion" Proportion PPT Courseware 2:

"Solving Proportions" Proportion PPT Courseware 2 According to the basic properties of proportion, if any three terms in the proportion are known, the other unknown term can be found. Finding the unknown terms in a ratio is called solving the ratio. ... ... ... The Eiffel Tower is 320 meters high. It is not only an absorbing...

"Solution to Proportion" Proportion PPT courseware:

"Explaining Proportions" Proportion PPT courseware 1. Explore new knowledge The Eiffel Tower in Paris, France is about 320m tall. There is a model of the Eiffel Tower in the World Park in Beijing. The ratio of its height to the height of the original tower is 1:10. How many meters tall is this model? 1. Read the question and understand...

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Update Time: 2024-09-08

This template belongs to Mathematics courseware People's Education Press Sixth Grade Mathematics Volume 2 industry PPT template

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