1. Mathematical application problems in the second volume of grade six
1. The rice processing plant uses 2000 kilograms of rice to process rice, and * * * grinds out 1600 kilograms of rice to obtain rice output. 2. The forest farm planted trees in spring, and 24,570 plants survived and 630 plants died, so as to seek the survival rate.
3. The furniture factory 1250 employees, one day 15 people were absent from work and asked for attendance. Master Wang produced a batch of parts, 485 of which passed the inspection, and 5 were unqualified/kloc-0, and the qualified rate of this batch of new products was sought.
4. A batch of corn seeds were used for germination test. Results 192 seeds germinated and 8 seeds did not germinate. Find the germination rate of these seeds.
5. Class 6 (1) There are 48 students coming to class today, two of whom are on personal leave, so I want to check the attendance of Class 6 (1) this day.
There are 50 students in class 6.6 (1), and 5 students failed in the mid-term exam. Please find out the passing rate of this course
2. The sixth grade math application problem.
1. In a certain place, a catty of watermelon was 6 yuan in May, but the price of watermelon dropped by 50% in June and 50% in July. How much is a catty of watermelon in July? 2. Jiang answered the scoring question, and the scoring rate was 65%. She made seven mistakes. How many problems did she solve in one breath?
3. When a commodity costs 2500 yuan, the store will first raise the price by 10% and then lower the price by 10%. What's the current price?
4. A store sells two goods at the same time, both of which are from 60 yuan. It is known that one of them earned 20% and the other lost 20%. So does this store make money or lose money by selling these two commodities? How much did you make or lose?
There are 30 female employees in the assembly workshop, accounting for 25% of the total employees in the workshop. Later, there were 15 female employees. At this time, what is the percentage of female employees in the workshop?
3. The sixth grade math application problem.
1, a rope with a length of 10 meter, cut 1/4 of the total length for the first time, and cut 20% of the total length before the second time. How many meters are left? 2. Xingping Town has 1.97 million primary school students this year, which is 1.5% less than last year. How many students were there last year?
Xiaoming's family's annual income is 45,000 yuan, and last year's income increased compared with the previous year. How much money did you earn last year compared with the year before? five
I ate 20% of a bag of sugar, and now this bag of sugar weighs 384 grams. How many grams is this bag of sugar?
5. There are 48 choirs in a school, which is 20% less than the model airplane group. How many people are there in these two groups?
6. The average temperature in mid-February increased by 20% compared with that in early February, and decreased by 10% in late February. What percentage of the average temperature in late February increased compared with that in early February?
4. Math application problems in the second volume of the sixth grade
1, the original cost per product of a factory was in 96 yuan, but after technological innovation, the cost per product was reduced to 84 yuan, by what percentage? 2. Xiaofei used to use about 12 tons of water every month. After replacing the water-saving faucet, water can be saved 1.2 tons per month. What percentage of water consumption is saved every month?
3. Xiaoming's family 10 used 60 kwh of electricity in October, saving 20 kwh compared with last month, and saving several percent of electricity compared with last month.
There are 1500 books in the school library, 300 more than the original. What percentage has it increased?
5. It took 8 hours to drive from home to grandma's house in Xiaohong holiday, and it took 10 hours to drive back along the original road. What percentage of you go faster than you go back?
5. Math application problems in the second volume of the sixth grade
There are 45 students in class/kloc-0 and class 6 (3), and 36 students meet the national physical exercise standards. What is the success rate of sixth grade students? 2. Uncle Li of the oil mill told Xiao Jing: "2 tons of rapeseed can squeeze out 840 kilograms of rapeseed oil." What is the oil yield of these rapeseed?
3. Primary and secondary schools in the new urban area began to recycle waste paper, recycling 87.5 tons of waste paper. These recycled waste papers can produce 70 tons of recycled paper. What is the recovery rate of these waste papers?
Li Ping used 600 kilograms of rice to grind out 450 kilograms of rice. What is the rice output of his family?
A primary school plans to use 250 tons of water this year, saving 30 tons compared with last year. What is the percentage of planned water use this year?
6. There are 470 people who have participated in accident insurance in Baihua Primary School, and only 6% have not participated in accident insurance. How many students are not insured?