Fill in the blanks. 1 question 2 points, other questions 1 point. * * * 22% 1， 2- hectares = _ _ _ _ _ square meters 2- hours = _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ < or kloc-0/- 1-□—() 1-□— 1-□— 1-□—() 1-() 1-×-2-:。 6. The radius of a circle is 2cm, the circumference of this circle is _ _ _ cm, and the area is _ _ _ cm2. 7, a project, team A alone for 20 days, team B alone for 30 days, the efficiency ratio of the two teams is _ _ _ _. 8, a wheat flour yield of 85%, to grind 13.6 tons of flour, need such a _ _ _ _ tons of wheat. 9. When deducing the formula for calculating the area of a circle, divide a circle into 16 equal parts and make it into an approximate rectangle; Measure a rectangle 3 cm wide, a rectangle _ _ _ cm long, and a circle _ _ _ cm square. 10, in a circle with a side length of 4 cm, cut out the largest square with an area of _ _ _ _ square cm. 1 1, a ratio. If the former item is increased by 30%, the latter item must be increased by 3 to keep the proportion unchanged. The latter term of this ratio is _ _ _ _ _. Second, judge. 5% 1, A divided by B equals the reciprocal of A times B. () 2. There are 25% more boys than girls, which means that girls are 25% less than boys. () 3. Compared with circles and squares with equal perimeters, the area of a circle is larger. () 4. The longest line segment in a circle is the diameter. () 5. A worker produced 102 parts, of which 100 parts passed the inspection, and the qualified rate was 100%. () Third, choose. 4% 1, two commodities, A and B, A is more expensive than B, the following statement is correct: () A, B is cheaper than A-B, A is more expensive than B is equivalent to A-C, B is cheaper than A is equivalent to B-D, B is cheaper than A is equivalent to A-2, and a rope is one meter long. Cut it-then reduce the price/. Compared with the original price, the current price is () A, expensive B, cheap C, same D and uncertain 4. The circumference of a semicircle is 10.28 cm, and the diameter of this semicircle is () cm A, 2 B, 4 C, 6 D, 8IV. Calculate. 34% 1, the number written directly. 4%-× 3.2 =-0.6 = 4.8 ÷1-= 0.8 ÷ = 8.5 ×-=-+0.5 = 0.28 ÷ 0.21=-+5 ÷ 7 = 2.8. 4% 2x-= 0.548x = 17.6-x 4, calculated by recursive equation. (3 points for each question, 9 points) 8-+5.6×1-1.5×-+2.1÷-(4-3.5×-) ÷1-5, and make a comprehensive formula. (3 points for each question, 6 points) (1)25- What is the sum of addition (2) 2-40% of subtraction, that is, 4- many? Exactly half of 2? 6. It is known that the triangle in the picture below has an area of 25 square centimeters. Find the area of a circle. 3%

Fifth, the application problem. 35% 1, the original price of a suit in 480 yuan, due to seasonal price adjustment, the price is reduced-for sale, how much is this suit now? 2. The road team has built a road, which has been built for 240 meters, less than the rest. How many meters are left on this road? 3. A project will take 20 days for a team and 30 days for a team. A few days after team B was repaired, it will take another eight days for team A to finish. 4. There are 785 students in grades 5 and 6 in Hongxing Primary School, of which the number of students in grade 5 is equivalent to that in grade 6. How many students are there in the sixth grade of Hongxing Primary School? There are as many barrels of gasoline as there are, from barrel A to barrel B. At this time, barrel B has 30.4 kilograms of gasoline. How many kilograms of gasoline is there in barrel A? At the same time, the express train and the local train face each other from two places 480 kilometers apart, and they are still separated by the whole journey after three hours. At this speed, how many hours will it take for the two cars to meet? 7. A construction site wants to use two vehicles to transport a pile of goods at a time, and the total load capacity of the two vehicles is 9. 18 tons; If a car is loaded more-or a car is loaded more-it can be shipped all at once. What is the transportation capacity of cars? Printing time: On May 23rd, 2005, I closed the sixth grade mathematics (Volume A) 1 final examination paper. Fill in the blanks. (6 10 has 2 points for each question, and the rest have 1 point, * * 18 points) 1, 1 058,000 writing (), and the number rewritten as 10,000 is () 10,000. 2, 20.08 km = () km () m 3, 3: 45 When the score is (), when the decimal is (). 4. The decimal unit of is (), and there are () such decimal units. The prime factor of 5.340 decomposition should be written as 340= (). 6. The average value of all prime numbers in 10 is (). 7,7 = = ()% 8,8.4: The ratio is (). 9, () meters is equal to 6 meters. 10, the height of a cylinder is four times the radius of the bottom surface, the circumference of the side development diagram of this cylinder is 6 1.68 cm, and the radius of the bottom surface of this cylinder is (). (π is 3. 14). Second, the judgment question. Mark "√" in the right picture and "×" in the wrong question. (4 points) 1. A natural number has no greater divisor than itself. () 2 and 97 are the largest prime numbers in 100. () 3. In the multiplication formula, the multiplier is, and the ratio of product to multiplicand is 4: 5. The volume of any cylinder is twice that of a cone. () Third, multiple-choice questions. Fill in the letter indicating the correct answer in (). (4 points) 1, a barrel of oil is 5 kg, use it all first, then use kg, and use (). a，kg b，kg c，4km2。 Make a cuboid with four cubic blocks, and the volume is 1 cubic decimeter. The surface area of this cuboid may be (). A, 16 square decimeter b, 18 square decimeter c, 24 square decimeter IV. Calculate by a simple method (write a simple calculation process) (6 points) 1, 2, 1.25×25×0.4×8 V. Calculation outside the formula. (20 points) 1, 205 × 32-6562, 2975 ÷125+26× 3.53,4, (2-1.25×) × (5,6, find the blank part in the figure below. (5 points) Seven. Column calculation. 40% of (8 points) 1 How much is 560 more than it? 2. If 15% of a number is greater than 12.8, find this number. (solved by equation) 8. Application problems. (35 points) 1. In the first quarter, the machine tool factory produced 570 machine tools, 90 more than planned. What is the ratio of exceeding the plan? 2. For a project, if Team A works alone for 3 days, according to this calculation, how many days will it take to complete all the projects? The distance between a and b is 32 kilometers. A and B set out from A and B at the same time and walked in opposite directions. The speed ratio of B to A is 3:5. How many kilometers did they walk when they met? 4. The area of a trapezoid is 12 square decimeter, and the upper bottom and height are both 2.4 decimeters. How long is the lower bottom? (solved by equation) 5. In the past, 78 yuan was required to make a school uniform, but now the price of each set is increased by 12 yuan. How many sets of school uniforms can you make now from the original 60 sets? 6. Teacher Zhang borrowed a book. On the first day, he read 30% of the whole book. The next day, he read less than the whole book 14 pages. In two days, he read 70 pages. How many pages are there in this book? 7. A cylindrical glass jar with a bottom radius of 2 decimeters contains water with a depth of 65,438+0.5 decimeter. Put an irregular piece of iron into this jar, and the water level will rise by 0.5 decimeter. What is the volume of this piece of iron? The final examination paper of sixth grade mathematics in primary school (Volume B) 1. Fill in the blanks. (1 dot per space, * * 19 dot) 1, 1000 billion, 5 tens of millions, 4 hundreds of thousands (), rounding off the mantissa after "100 million". 2. when l = () l () ml is 3.45 hours = (), () is divided into 3 times. Expand 8.05 by 10 times, and then move the decimal point to the left by two places, so () 4. Of the three numbers, () can be rounded with (). 5. The greatest common divisor of18 and 2 1 is (), and the least common multiple is (). 6.a and B are both natural numbers. If >, then, compared with B, () is larger. 7. If the number of A is given to the number of B, then the numbers of A and B are exactly equal, and the simplest integer ratio of B and A is (). In class 8.6 (1), the number of boys is 125% of the number of girls. The number of boys is the whole class, and the number of girls is less than that of boys ()%. 9. Cut a cube with a side length of 4 decimeters into the largest cylinder, and the volume of the cylinder is (). 10. Draw a rectangular vegetable plot with an area of () 80 meters long and 60 meters wide on the map with the scale of 1: 2000. Second, the judgment question. Mark "√" in the right picture and "×" in the wrong question. (4 points) 1, the number divisible by 2 must not be divisible by 3. () 2. Change 12.5m: km into the simplest integer ratio 1: 10 () 3. The length of a rectangle is 24 cm, and the volume of this rectangle must be 6 cm. () 4. If the number of A equals the number of B, the number of A is 60% more than the number of B. Fill in the serial number of the correct answer in (). (4 points) 1. It is known that a 3-meter-long line segment is divided into four parts on average, and it can be concluded that (1) each part is 3 meters; ② 3 meters for each part; ④ Each part 1 m; (2) according to the number of a divided by the number of b, the quotient is 4, and () can be determined. ① The number A must be divisible by the number B; ② The number B must be divisible by the number A; ③ The ratio of number A to number B is 4:1; ④ The number A is the least common multiple of the numbers A and B; Fourth, use a simple method to calculate (write a simple process); (6 points) 1, 2,5, disjoint calculation. (20 points) 1, 98 × 102-6999 2, 0.4÷2.5+0.07×50 3, 4, 6. The outer diameter of the drainage pipe is 30 cm, the wall thickness is 3 cm, and the pipe length is 4 m. Find the volume of the drainage pipe. (4 points) Seven. Column calculation. (8 points) 1, 13.6 minus 9.4, divided by, what is the quotient? 2.3. 1 less than a number 1.6. What's this number? (solved by equation) 8. Application problems. (35 points) 1. Li Ming deposited in 500 yuan in the bank and got back the principal and interest of 537.35 yuan one year later, thus getting the annual interest rate. 2. There are 160 apple trees in the orchard, and there are fewer pear trees than apple trees. How many apple trees are there in the orchard? 3. A car travels from Dongcheng to Xicheng, with a speed of 4 1 km in the first three hours and 220 km in the last four hours. How many kilometers does this car average per hour? 4. The construction team can pave 15 square meters with 480 square bricks. According to this calculation, the area of the school electric classroom is 120 square meters. How many square bricks do you need to buy? 5. How many square centimeters does it take to weld a rectangular open bucket with a bottom length of 25 cm and a height of 40 cm with iron sheet? 6.( 1) How many people are there in the three tree planting teams? Fill in the data in the form. (2) Find the average number of trees planted by each of the three teams. Fill in the table with numbers. 7. Last semester, there were 65,438+080 students in Grade 6 of Hong Guang Primary School. This semester, the number of boys increased by 16%, while the number of girls decreased by 6. The whole grade 186 students this semester. How many boys were there in the sixth grade last semester? The answer to the final exam paper (a) 1. 1, 1058000 105.82, 20803, 3.754, 4 15, 2×2×5× 176, 4.257 and 7 4977. 1，B 2，A B 4， 1，2， 100 5， 1，5904 2， 1 14.8 3，4，5，6，29.07 7，65438。 12 3, 20 4, 7.6 5, 52 6, 120 7, 6.28 answers to the final exam paper (b) 1. 1,10050400001065438+200 million, 23753. 3 1266, b7, 4: 58, 209, 50.24 cubic decimeter 10, 12 cm2, 1, × 2, √ 3 ,× 4, √ 3,/kloc-0. 5,2 six, 10 1736 seven, 1, 32,8, 1, 7.47% 2,560 3,49 4,3840 5,4625 6,1.