1. Six-grade math graduation examination questions
Fill in the blanks. You can choose four numbers from the factors of 1 and 12 to form a ratio. Please write two groups of () with different proportions.
2. The ratio of Party A to Party B is 5: 4, with Party A having ()% more people than Party B and Party B having ()% less people than Party A. ..
3. 1.8 A number three times larger than a is expressed as () by a formula containing letters. When a=2.4, the value of this formula is ().
4, throw 100 coins, 48 times face up, then the possibility of throwing 10 1 coins face up is ()
5. Cut a 2-meter-long straight cylindrical wood horizontally by 2 decimeters. Compared with the original, the surface area of the remaining cylindrical wood is reduced by 12.56 square decimeter. The original bottom area of cylindrical wood is () square decimeter and the volume is () cubic decimeter.
Second, judgment.
1, the radius of the cone bottom is expanded by 3 times, the height is unchanged, and the volume is also expanded by 3 times. ( )
2. In proportion, if the product of two internal terms is 1, then the two numbers that make up the out-of-proportion terms must be reciprocal. ( )
3. There is a 10 card with the number 1- 10 written on it. Pick any one, and the probability of encountering an even number is 1/5. ( )
4. If 4a=3b, then a: b = 4: 3. ( )
5. It took Party A 10 minutes and Party B 12 minutes to walk from school to the cinema. The simplest integer ratio of the distance traveled by A and B per minute is 5: 6. ( )
2. The sixth grade mathematics graduation examination questions
First, column calculation. (1) 180 is more than 50% of 10. What's this number?
(2) What is the product of 0.15 divided by the quotient of 3/8 plus 5 and then multiplied by 1/4?
Second, solve the problem.
1. The motorcade delivered a batch of relief materials to the disaster area, traveling at a speed of 80 kilometers per hour and reaching the disaster area in five hours. When I come back, I will drive at the speed of 100 km per hour. How long will it take for this team to return to the starting point?
The bookstore has a set of popular science books in 96 yuan at the original price, which are now sold at a 60% discount. How much cheaper can I buy a set? If you buy 6 sets, will 360 yuan be enough?
3. The exchange rate of postal remittance is 1%. Xiaoming's father, who works outside the home, sends money to his family, and he pays the remittance fee from 38 yuan. How much did Xiaoming's father remit home?
3. The sixth grade mathematics graduation examination questions
1. Fill in the blanks 1, 70305880 is pronounced as () and rewritten as () with "ten thousand" as the unit, and the mantissa after omitting ten thousand digits is about ().
2.20 10 xx Guangzhou Asian Games will be held on1October 20th, 20th, 20th13rd-165438+27th, so the Asian Games will take more than () weeks.
3. 1 kg brine contains 50 grams of salt, which is ()% of brine.
4. The ratio of boys to girls in a school is 4: 5, and the number of girls is ()% more than that of boys.
5. The distance between two maps in a city map is 10cm, which means the actual distance is 30km. The scale of this map is ().
Second, the judgment question
1, natural numbers (except 0) are either prime numbers or composite numbers. ( )
2. Only three-fifths of the scores are less than four-fifths and more than two-fifths. ( )
The height of cylinder and cone is the same, and the sum of their volumes is 36 cubic meters, so the volume of cone is 9 cubic meters. ( )
4. Of the 90 parts produced, 10 is rejected, and the qualified rate is 90%. ( )
5. "Frog has four legs, two eyes and a mouth; Two frogs have eight legs, four eyes, two mouths and three frogs ... "Then the number of frogs is directly proportional to the number of legs. ( )
4. The sixth grade mathematics graduation examination questions
1. Fill in the blanks (1) Five 1,16100, the number is ().
(2) According to the results of the fifth national census, the total population of the whole country is1295.33 million, which is recorded as (), rounded to several hundred million or so ().
(3)0.375 is pronounced as (), and its counting unit is ().
(4) The investment of Fuhe Bridge is about 362.5 million yuan, and the figure is rewritten as "100 million" which is () billion.
(5) Compared with the divisor of 50,000, the exact number of 50,000 is at most different in ten thousand ().
Two, the following questions only list the comprehensive formula, do not answer.
(1) Children's Day, students make paper flowers, grade 6 120, grade 5 100. What percentage do sixth graders earn more than fifth graders?
(2) Xiaolin's mother bought 6,000 yuan of national construction bonds in the Agricultural Bank, with a fixed term of 3 years and an annual interest rate of 2.89%. How much interest can she get when she matures?
5. The sixth grade mathematics graduation examination questions
-Fill in the blanks. 1, the ratio of two angles of an isosceles triangle is 2: 5, and its vertex angle may be () or ().
2. "Spring water and spring pool are full, spring grass is born in spring, spring people drink spring wine, and spring birds make spring scenery." The frequency of the word "Spring" in the poem accounts for ()% of the total number of words in the poem.
3. Because A: 5 = 7: B, the ratio of A to B is ().
4,3 ÷ 5 = (—) =18: () = 0. () = ()% = () process.
5. The ratio of the area of a triangle with equal base and equal height to that of a parallelogram is ().
Second, write directly the number of the following questions.
34×5=
0.99÷ 1. 1=
0.6÷35=
40× 10 1=
254+98=