"Application of Percents (4)" PPT download

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"Application of Percents (4)" PPT download

Part One: Objectives of this Section

1. Be able to use the meaning of percentages to list equations to solve practical problems, and understand the close connection between percentages and real life.

2. Further develop the habit of testing and interpreting problem-solving results.

Percent application PPT, part 2: independent learning feedback

1. Discussion: Talk about the interest-related issues you encounter in your daily life.

2. If the Wang family bought a three-year government bond for 10,000 yuan in 2012, how much interest would they get after maturity?

10000×5.43%×3

=543×3

＝1629 (yuan)

Answer: You can get 1,629 yuan of interest after maturity.

Application of percentages PPT, part three: exploring new knowledge

Exploration 1: Talk about what annual interest rate is and how to calculate interest.

The annual interest rate is the percentage of the principal that the annual interest accounts for.

Interest = principal × interest rate × time

Study 2: If you save 300 yuan for one year, how much interest will there be after maturity?

Check the annual interest rate for the annual deposit period

300×2.25%×1

=300×2.25/100×1

=6.75 (yuan)

Answer: If you deposit 300 yuan for one year, there will be an interest of 6.75 yuan after maturity.

Percentage application PPT, part 4: in-class testing

1. Naughty deposit 800 yuan in the bank on October 1st of the year before last, for two years, with an annual interest rate of 2.79%. How much interest will Naughty deserve after maturity?

800×2.79%×2=44.64 (yuan)

Answer: The interest due to Naughty after maturity is 44.64 yuan.

2. Uncle Li purchased a five-year national construction bond worth 20,000 yuan, with an annual interest rate of 3.81%. How much interest will Uncle Li receive at maturity?

20000×3.81%×5=3810 (yuan)

Answer: At maturity, the interest that Uncle Li should receive is 3,810 yuan.

3. The following is the information about Aunt Zhang’s purchase of a treasury bond. When this treasury bond matures, how much yuan will she receive in total in principal and interest?

5000+5000×3.39%×3=5508.5 (yuan)

Answer: When this treasury bond matures, you will receive a total of 5508.5 yuan in principal and interest.

4. Xiaoxiao deposited 350 yuan in the bank (the whole deposit is taken for two years), and the annual interest rate is 3.06%. In two years, which brand of language learning machine can you buy?

350×3.06%×2+350=371.42 (yuan)

375>371.42>365

Answer: You can buy B brand learning machines.

Application of percentages PPT, Part 5: Summary of this lesson

01The money deposited in the bank is called principal. When you withdraw money, in addition to returning the principal, the bank also pays interest.

02The annual interest rate is the percentage of the principal that one year's interest accounts for.

03Interest = principal × interest rate × time

Application of percentages PPT, Part 6: Homework assignments

1. Question 5 on page 97 of the textbook.

2. Preview pages 98 and 99 of the textbook.

3. Discussion: Discuss the applications of percentages in daily life.

Keywords: Beijing Normal University edition sixth grade mathematics PPT courseware free download, application of percentages PPT download, .PPT format;

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"Application of Percents (4)" PPT:

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"Application of Percents (3)" PPT:

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Update Time: 2024-11-24

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