"Happy Farm Tour" PPT courseware 10

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"Happy Farm Tour" PPT courseware 10

1. Situation introduction

A total of 980 tourists were received

75% of people go to apple orchards for picking

How many tourists come to the apple orchard to pick?

Liyuan’s revenue last year was 40,000 yuan

Revenue this year increased by 5% compared to last year

How much is your income this year?

What mathematical information do you know from the picture?

What questions can you ask based on this information?

2. Cooperation and exploration

How many tourists come to the apple orchard to pick?

To find out how many tourists come to the apple orchard to pick, we need to find out what 75% of the 980 people is.

980×75% = 735 (people)

Answer: There were 735 tourists visiting the apple orchard.

3. Independent practice

1. An article has 9,600 words. Xiao Ming typed 40% of the full text. How many words did Xiao Ming type? Xiaofang came to help and typed 30% of the entire text. How many words did she type?

Xiao Ming: 9600 × 40% = 3840 (words)

Xiaofang: 9600 × 30% = 2880 (words)

Answer: Xiao Ming typed 3840 words; Xiao Fang typed 2880 words.

2. A TV originally cost 10,000 yuan each, but now it is 25% cheaper than before. How much does this TV cost now?

10000 – 10000 × 25% 10000 × (1-25%)

= 10000 - 2500 = 10000 × 75%

= 7500(yuan) = 7500(yuan)

Answer: The current price of a TV is 7,500 yuan.

3. More than 50,000 documents were unearthed from the Mogao Grottoes in Dunhuang. About 70% of these precious documents were lost overseas. Approximately how many thousand pieces are left in the country?

5 - 5×70% 5×(1-70%)

= 5 – 3.5 = 5×0.3

= 1.5 (10,000 pieces) = 1.5 (10,000 pieces)

Answer: There are about 15,000 pieces left in the country.

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Update Time: 2024-11-15

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

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