The sixth grade people's education printing plate mathematics second volume graduation examination paper

1. Fill in the blanks (3 points for each small question, 30 points for * * *)

1. In recent years, a new coat rack has become popular in big cities. As the picture shows, there is an ant. It can climb from point A to point B, and it can have a path.

2. The distance between the left and right wheels of the racing car is1.5m. When the racing car runs along a circular track with a radius of 10m, the outer wheels walk π meters more than the inner wheels.

There are 90 tons of rubbish somewhere. Now, we need to rent several pickup trucks 1.5 tons/vehicle, and one truck can pull up to six times a day. If the garbage must be removed within one day, at least hire a garbage truck.

There are 520 square kilometers of land in a certain area, including 20 square kilometers of desert wasteland. Due to deforestation in this area, the area is being desertified at the rate of 4 square kilometers per year. If not treated, the percentage of desertification area in this area will be.

5. If 10 cans can be recycled to make two new cans, then a school collected 2800 waste cans last month, and these waste cans can be recycled to make a new can.

6. As shown in the figure, OA and BA represent students of A and B respectively.

Motion state, where s and t represent the distance and time of motion respectively.

Between. Judging from the image, one second faster than one second slower.

Let's go

7. Xiaoyue's mother bought a national construction bond with a fixed term of 5 years and an annual interest rate of 3.42%. When it expires, she can get yuan.

8. There are two male and female dormitories in a middle school, which are 300 meters apart. There are 300 people in the boys building and 200 people in the girls building. Now a canteen will be built between the two floors. When the canteen is meters away from the boys' building, the sum of the distances from the girls' building to the canteen can be equal to the sum of the distances from the boys' building to the canteen.

9. For four cards, exchange the leftmost card with the rightmost card, then put the rightmost card on the leftmost card, and the other cards will retreat one square to the right in turn, so the order of the cards becomes

10. If you buy a car, you have to increase the price by 7% if you buy it in installments, and you can get a 5% discount if you buy it in cash. Xiao Xin found that the installment payment was 7200 yuan more than the cash purchase, so the original price of the car was 7200 yuan.

Second, choose one (3 points for each small question, *** 15 points)

1, according to the law 1, 8, 27, (), 125, the number in brackets should be ().

a、30 B、64 C、80 D、 100

2. Xiaowen's deposit in the bank is 1 0,000 yuan, and the annual interest rate of the current account is 1%. After deducting interest 10%, the interest earned by Xiaowen after one year is () yuan.

a、 10 B、9 C、8 D、7

3. In the simple pendulum experiment, if the length of the rope is increased, the number of times the simple pendulum swings per unit time ()

A, decrease B, increase C, keep D, and be uncertain.

Wang Gang entered a school in 2003. He is in Class 4, and his student number is 15. If you give him a 6-digit student number, the following is more practical ().

a、200304 B、0403 15 C、0304 15 D、 150403

The area of water lilies in the pond doubles every day. If the whole pond can grow in 13 days, then the number of days required for these water lilies to grow half a pond is ().

a、6 B、7 C、 10 D、 12

Three, draw a line, together (6 points)

Every day, a postman starts from the post office A (0, 1), goes to the community B (1, 4), then goes to the school C (3, 5), then goes to a cultural and educational store D (6, 7), then goes to a supermarket E (7, 3), and finally goes to the Education Bureau F (3, 0).

Please mark the corresponding position with letters in the picture on the right and draw the route map of the postman.

Fourth, read and fill in:

1. Look at the picture and answer the question: (10)

2, (8 points) according to the provisions of personal income reached a certain amount of tax, the specific method is:

/kloc-no tax is paid within 0/000 yuan.

1000 ~ 1500 yuan, the tax rate is 5% for the part exceeding 1000 yuan.

1500 ~2000 yuan, and the part exceeding 1500 yuan shall be taxed at 10%.

(1) Yun Yun's father's monthly income is 1400 yuan, which is taxable yuan, and his actual salary is yuan.

(2) Xiaoqing's mother's monthly income 1900 yuan is taxable.

(3) Xiaogang's father pays taxes in 38 yuan every month, so his monthly income is RMB.

Verb (abbreviation for verb) reads and calculates:

1, (5 points) Remit a sum of money to others, either from the post office or from the bank. According to the regulations on postal remittance fee published by the Ministry of Posts and Telecommunications in 2000, each remittance is charged at 1%, and the minimum remittance fee is 1 yuan; The bank's regulations are: individual remittance without an account, remittance handling fee of less than 5,000 yuan 1%, and remittance above 5,000 yuan will be uniformly charged to 50 yuan. Teacher Hao wants to remit 6000 yuan to Hope Primary School in the distance. He didn't open an account in the bank. According to the regulations, where does Mr. Hao need to remit money?

2.(5 points) Teacher Sun bought a notebook computer with a price of 9,000 yuan from the computer company, and agreed to pay a down payment of 3,000 yuan, and then pay off the balance in three months, and pay off the interest of 3% of the balance every month. How much does Mr. Sun need to pay?

3.(5 points) Glass manufacturers produce 654.38+0 million pieces of glass every month, about 2% of which are defective. They used to throw these glasses away during transportation or sales. This year, in the activity of offering suggestions for the employees of the whole factory, a famous technician calculated an account for the factory director, asking for a piece of glass 10 yuan. This 8 yuan will be used for the re-firing process, and the salary of 600 yuan quality inspector will be increased every month. Can you tell me why the director is surprised?

4.( 10) A product produced by a factory sells well, but in the production process, an average of 0.5 cubic meters of sewage is discharged for each product produced. Therefore, in order to purify the environment, the factory has designed two sewage treatment schemes and is ready to implement them.

Scheme 1: the factory sewage is treated first and then discharged. For each treatment 1 m3 of sewage, the raw material fee is 2 yuan, and the monthly sewage equipment loss fee is 30,000 yuan; (1 m3 water weight 1 ton)

Scheme 2: The factory discharges the sewage to the sewage plant for unified treatment, and the sewage charge is 1 m3 of sewage.

(1) If the factory produces 3000 tons of sewage every month in the production process, which sewage treatment scheme should be adopted?

(2) If the factory produces 3000 products every month, which sewage treatment scheme should be adopted?

Reference answer

1. 1, 82,33, 10 4,10% 5,560 6,1.5m7,5855 yuan.

8、 120 9、 10、60000

Second, BBACD.

1, (1)7 (2)600 (3)343 300 (4) Xiaowen

2、( 1)20 1380 (2)65 (3) 1630

3、( 1)400 (2)60

Verb (abbreviation of verb) 1(5 points). Solution: If you remit money from the post office, the remittance fee is: 6000× 1%=60/ yuan ... (2 points).

If you remit money from a bank, since it is 6000 > 5000, the remittance fee is 50 yuan.