"The meaning and writing method of percentage" PPT courseware

Description

"The meaning and writing method of percentage" PPT courseware

percentages in life

Households owning cars account for 65% of all households in Shenzhen.

In 1985, the enrollment rate of children in western China was 24%; in 2005, the enrollment rate reached 92%.

Among college graduates, 19.3% start their own businesses.

This year's household income is 150% of last year's.

A factory took out 500 pieces from the first batch of products, and after inspection, 490 pieces were qualified. From this, it can be deduced that the qualified rate of this batch of products is, which can also be written as ().

in conclusion:

A number that expresses what percent of another number is a number is called a percentage. Percentage is also called percentage or percentage.

discuss:

What relationship does a percentage represent between two numbers? Should there be a unit name?

The connection and difference between percentages and fractions:

(1) Girls in this class account for 48% of the class.

(2) A wire is 98/100 meters long.

(3) The weight of flour is that of rice.

in conclusion:

Percent is a type of fraction. A fraction can represent either a specific quantity or a fraction of another number, so there can be units or no units behind the fraction, while percentages only represent the multiple relationship between two numbers, so there is no unit of measurement.

This courseware provides a comprehensive introduction to the meaning and writing of percentages through small games and exercises, which improves students' interest in learning and helps them better understand and remember the knowledge points of percentages. It is a good classroom teaching courseware.

Keywords: Percent courseware, the meaning and writing method of percentage, New People's Education Edition sixth grade mathematics PPT courseware, sixth grade mathematics slide courseware download, percentage PPT courseware download, the meaning of percentage and writing PPT courseware download, .ppt format

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Update Time: 2024-11-26

This template belongs to Mathematics courseware People's Education Press Sixth Grade Mathematics Volume 1 industry PPT template

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