"Into Numbers" PPT courseware for the application of percentages Simple campus recruitment activity planning plan summary enterprise and institution recruitment publicity lecture PPT template is a general PPT template for business post competition provided by the manuscript PPT, simple campus recruitment activity planning plan summary enterprise and institution recruitment promotion Lecture PPT template, you can edit and modify the text and pictures in the source file by downloading the source file. If you want more exquisite business PPT templates, you can come to grid resource. Doug resource PPT, massive PPT template slide material download, we only make high-quality PPT templates!
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Authoritative PPT Summary
"Into Numbers" PPT courseware for the application of percentages
teaching objectives
1. Combined with specific examples, experience the process of understanding "numbers" and independently answer simple practical questions about "numbers".
2. Understand the meaning of "into a number" and be able to answer simple practical questions about "into a number".
3. Be curious about "number" problems, understand the inner connection between percentages and numbers, and gain successful experience in using existing knowledge to solve problems.
TV price.
Tell me what information you learned from the picture?
"Add 20%" means increasing the purchase price by 20%.
A few percent is tens of percent, and a few percent is tens of percent.
Caozhuang Township had 374 tons of cotton last year. Suffering from insect infestation this year, how many tons of cotton will be produced this year?
37.4－37.4×15%
= 37.4-5.61
= 31.79 (10,000 kilograms)
Answer: Approximately 317,900 kilograms of cotton will be produced this year.
give it a try
A computer now sells for 7,320 yuan, a 25% reduction from the same period last year. How much did this kind of computer cost during the same period last year?
Solution: Suppose the selling price of this kind of computer in the same period last year was x yuan.
(1-25%)x=7320
x＝7320÷0.75
x=9760
Answer: The price of this kind of computer in the same period last year was 9,760 yuan.
practice
1. Uncle Wang’s land produced 4050 kilograms of corn last year. How many kilograms of corn are expected to be produced this year?
4050×(1+10%)
=4050×1.1
=4455 (kg)
Answer: It is estimated that 4,455 kilograms of corn can be produced this year.
2. An apple orchard produced 6870 kilograms of apples last year. How many kilograms of apples are expected to be produced this year?
6870×(1-25%)
=6870×0.75
=5152.5 (kg)
Answer: It is estimated that 5152.5 kilograms of apples can be produced this year.
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