Children have high self-esteem. If they do well in the exam, it will directly affect their learning attitude. If they don't do well in the exam, they will have psychological burden and great pressure on their future study. The following is the final examination paper of mathematics in the second volume of Grade 6 on 20 17. I hope you can practice seriously!

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1. An eight-digit number. The number of the highest digit is both odd and composite, the number of ten thousand digits is both prime and even, the number of one digit is neither prime nor composite, and the rest digits are all zeros. This number is written as ().

2. Keep one decimal place and the three decimal places are about 6.0. The maximum value of these three decimal places is (), and the minimum value is ().

3. There are three ropes, the first one is 16, the second one is 38, and the third one is 25. The remaining lengths of the three ropes are equal, and the original () rope is the longest.

4. 135 includes () 120, 24 1 () and () 1%.

The sum of six odd numbers is 98, and the product is 4267305. The difference between the largest number and the smallest number among the six odd numbers is ().

6. At 1? 2? 3? Of all the factors of the product of 430, there are () prime numbers.

7. The least common multiple of three consecutive odd numbers is 693, and the smallest of these three numbers is ().

8. There is a simplest fraction whose product of numerator and denominator is 60, and there are () such true fractions.

9. The number of 1 1, 1,1,1is ().

10. Known m=22? 3? 5, then there is the () factor of M.

1 1. The time for uncle Wang to process a part is reduced from 8 minutes to 5 minutes, and the work efficiency is improved by ()%.

12. Multiply the sum of two consecutive odd numbers by their difference, and the product is 2000. These two consecutive odd numbers are () and ().

13. There are three natural numbers, the ratio of number A to number B is 3︰5, the ratio of number B to number C is 4︰7, and the sum of the three numbers is 20 1. Then a number is ().

14. If the height of a cuboid increases by 2 cm, it will become a cube, and its surface area will increase by 56 cm. It turns out that the volume of this cuboid is ().

15. There were 54 people in the class who went boating in the park, and a certain * * rented a boat on 10. There are six people in each big boat and four people in each small boat, and all the boats are just full. There are () big boats for rent and () small boats for rent.

16. The volume difference between a cylinder and a cone with the same height is 12.56 cubic decimeter, and the volume of the cone is () cubic decimeter.

17. Subtract 2004 from its 12, then subtract the remaining 13, and then subtract the remaining 14 until the best remaining 12004 is subtracted. The final result is ().

18. Two bottles of the same volume, A and B, are filled with salt water respectively. It is known that the ratio of salt to water in bottle A is 2︰9, and that in bottle B is 3︰ 10. Now, if you mix two bottles of salt water together, the ratio of salt to salt water in the salt water is ().

19. For a walk, A took 23 hours, B took 34 hours, and the speed ratio of A and B was ().

June 2009 1 Monday, so September this year 1 is a week ().

2 1. Xiaohong has two different hats, three different coats and two different pants. If the hat, coat and trousers are worn together, * * * has () different collocation methods.

22. There is a fraction, the numerator plus 1 can be converted into 14, and the denominator minus 1 can be converted into 15. This fraction is ().

23. A train needs to pass through five stations on the way from Station A to bilibili, so Party A and Party B need to prepare () different train tickets for this line.

24. There are eight straight lines on the plane, which can be divided into () parts at most.

25. A commodity is reduced by 20% for the first time and then increased by 20%. The current price is ()% of the price before the price reduction.

26. A right-angled triangle, the length of two right-angled sides is 4 cm and 3 cm respectively. Rotate 1 time around two right-angled sides respectively to get a cone. The volume ratio of these two cones is ().

Second, judgment.

1. Let a positive integer a >；; B, then the parity of a+b and a-b is the same. ()

2. For any integer A, there is a number and its reciprocal. ()

3. A cube with a side length of 6 cm has the same surface area and volume. ()

4. A composite number has at least three factors. ()

5. A triangle has at least two acute angles. ()

6. Two triangles with the same area can definitely form a parallelogram. ()

7. If the volume of water increases 1 1 1 after freezing, the volume decreases 1 12 after it freezes into water. ()

8. Only 25 of the simplest scores are greater than 15 and less than 35. ()

9. Non-zero natural numbers are either prime numbers or composite numbers. ()

10. The equation must be an equation, but it is not necessarily an equation. ()

1 1. If x? Y=7, then X is a multiple of Y and Y is a factor of X.

12. The total mass of a bag of rice remains unchanged, and the number of kilograms eaten is inversely proportional to the number of kilograms left. ()

III. Choice (5 points, fill the serial number of the correct answer in brackets)

1. Estimate the results of the following three formulas, and the biggest one is ().

A.774？ ( 1+ 13 ) B. 774？ ( 1- 13 ) C. 774？ ( 1+ 13 )

2, a rope is cut into two sections, the first section is 37 meters long, and the second section accounts for 37 of the total length. Compared with ().

A. the first paragraph is B. the second paragraph is C. the same length is D. it cannot be determined.

3. The forest farm planted 10000 seedlings last year, of which 1000 seedlings were randomly selected at the end of the year, with a mortality rate of 2%. You predict that the survival rate of these saplings planted in the forest farm is ().

A.20% b 80% c 2% d 98%

4, a farm, raising 1200 ducks, raising 35 more chickens than ducks, how many more chickens than ducks? The correct formula is ()

A. 12000? 35 B. 1200+ 12000？ 35 C. 1200- 12000？ 35 D. 1200？ 35

5. To cut a circular paper with an area of 12.56 cm2, at least one paper with an area of () cm2 (? Take 3. 14).

A. 12.56

Four, the calculation problem (***32 points)

1, write the number of 5 points directly.

67 ? 3= 35 ? 15= 2-37 = 1+2%=

36+48= 5? 23 = 43 ? 75% = 78 ? 4? 87 =

298+405? 12 ? 99+99? 12 =

2. 9 points for solving equation

X-27 X= 1 14 X？ 18 = 15? 23 40%X- 14 =7 12

3. How to calculate the score of 12 is as simple as the following questions.

72 ? 58 -32 ? 85 18? 25%+ 14 ? 60+42? 0.25

0. 125? 0.25? 32 1 1 16 +8 13 -( 1 1 16 -5 13 )

4, column comprehensive formula or equation calculation 6 points

1, 20% of a number is 100, what is 35 of this number? 2. 58 of a number is less than 20 times 4. What's this number?

Five, the application problem (***34 points)

Wangzhuang Coal Mine produced 2.5 million tons of coal last year, an increase of 250,000 tons this year. What percentage has the output increased?

2. The original price of a story book is 20 yuan, and now each book is 10% off. What's the current price?

Class 3.6 has 40 students (1). Here are some statistics of their favorite drinks. What kind of drink would you like?

How many people like it?

This factory plans to produce a batch of watches. It is planned to produce 300 watches every day and finish them in 20 days. In fact, it produces 450 watches every day. How many days will it take to complete this task? (Please answer with proportional knowledge)

5. Repairing a batch of books, 30 books have been repaired, accounting for 25% of the unrecovered books. How many books are there in this batch?

6. Xiaohua's father deposited 5000 yuan in the bank for two years at an annual interest rate of 2.70%. How much interest can he actually get at maturity?

7. The school has 180 basketball, football and volleyball. It is known that the ratio of basketball, football and volleyball is 5: 4: 3. How many balls are there?

8. The sixth-grade students signed up for a math interest group, and the number of students who participated was 13 of the total number of sixth-grade students. Later,

There were 20 participants, and the ratio of students who participated and did not participate was 3: 4. How many people are there in Grade One and Grade Six?

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