"Solution to Proportion" Proportion PPT courseware

Description

"Solution to Proportion" Proportion PPT courseware

1. Explore new knowledge

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?

1. Read the question and understand its meaning: How do you understand “1:10”?

2. List a proportional formula based on the meaning of the question.

3. Solve for proportions.

4. Communicate within the group.

2. Application of knowledge

(1) Do it

1. Solve the proportions.

2. To disinfect tableware in a restaurant, 100ml of disinfectant should be used to prepare disinfectant water. If the ratio of disinfectant to water is 1:150, how many milliliters of water should be added?

According to the meaning of the question, we can know: disinfectant: water = 1:150

It is known that the disinfectant solution is 100ml. If the added water is xml, the proportional formula 100:x=1:150 can be listed.

(2) Solve problems

1. On May 22, 2013, the price ratio of the Chinese sturgeon commemorative coin and the baiji dolphin commemorative coin was 2:3. The price of each Chinese sturgeon commemorative coin was 50 yuan. How much was the price of each baiji dolphin commemorative coin?

3. Assign homework

Homework: Exercise 18 on page 44, questions 8, 9, and 10.

Keywords: Proportion courseware, Solving Proportion courseware, New People's Education Edition sixth grade mathematics PPT courseware, Volume 2, Sixth grade mathematics slide courseware download, Proportion PPT courseware download, Solving Proportion PPT courseware download, .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 tag.

Green three data ratio illustration PPT pie chart:

These are 4 green three-data proportion illustration PPT pie charts, designed with blue and green combinations. .PPTX format;..

"Direct Proportion and Inverse Proportion" PPT:

"Direct Proportion and Inverse Proportion" PPT Part One: Question Exploration 1. What is a directly proportional quantity? How should it be represented by letters? Two related quantities, if one quantity changes, the other quantity will also change. If the ratio of the two corresponding numbers in the two quantities is one...

"Letter Expressions of Proportional and Inverse Proportions" PPT:

"Letter Expressions of Direct Proportion and Inverse Proportion" PPT Part One Content: Teaching Objectives 1. Combined with specific examples, go through the process of reviewing the definitions of direct and inverse proportion, discussing problems and summarizing mathematical expressions. 2. Be able to judge common quantitative relationships between three quantities in a certain quantity..

File Info

Update Time: 2024-11-07

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

Preview