"Happy Farm Tour" PPT courseware

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"Happy Farm Tour" PPT courseware

What percentage of the number of self-driving tourists this year is more than last year refers to what percentage of the number of self-driving tourists this year is more than last year.

How many percent more than last year?

Talk about who is regarded as the unit "1" in each of the following sentences, and who is compared with the unit "1"?

1. How many percent more good things did Class 5 (1) do than Class 5 (2)?

2. By what percentage does this year’s output increase compared to last year?

We just learned how to answer questions about how many percent more (or less) one number is than another number. What do you think is the key to answering this type of question?

① Find the correct unit "1"

② Compare the larger (or smaller) quantity with the unit "1".

Fill it out:

1. In "What percentage are there more boys than girls", ( ) is the unit 1. This question is actually to find out what percentage ( ) accounts for ( ).

2. The students made 20 red flags and 25 yellow flags. The number of yellow flags was ( ) more than the red flags and ( )% more than the red flags. There are ( ) fewer red flags than yellow flags and ( )% less than yellow flags.

Independent practice (only formulas, no calculations)

There are 100 boys and 125 girls in the sixth grade of Wenhua Road Primary School.

(1) How many percent are there fewer boys than girls?

(2) How many percent are there more girls than boys?

Solve the problem

1. A factory planned to manufacture 550 tractors, but it exceeded the original plan by 50 units. What percentage did it exceed?

2. The library corner of Class 1, Grade 6, originally had 240 books. This semester, another 60 books were purchased. What is the increase?

Summary of the whole lesson

What did you gain from today's study?

Homework

Calculate how many percent more (or less) boys there are than girls in your class?

judge:

A is 10% more than B, and B is 10% less than A ( )

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"Happy Farm Tour" PPT courseware 11:

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"Happy Farm Tour" PPT courseware 10:

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"Happy Farm Tour" PPT courseware 9:

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Update Time: 2024-11-18

This template belongs to Mathematics courseware Qingdao Edition Sixth Grade Mathematics Volume 2 industry PPT template

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