(Examination time: 90 minutes, test paper score: 100)
Township (town) school grade (class) name examination room number admission ticket number
First, "believe in your own ability!" Please be patient. (20 points for this question * * *, 65438+ 0 points for each space)
1, 200.3 million is written as (), which is rewritten as () with "ten thousand" as the unit, and the mantissa after omitting "hundred million" is about ().
2. The sixth grade mathematics graduation examination paper (20 13): 2 kilograms of a cake, distributed to 10 children on average. Each child was given () pieces of cake, and the weight of the cake was () kilograms.
3. Go south for 200 meters and mark it as +200 meters, then -350 meters is ().
4.0.006 kg = () g 2. 15 hours = () hours () minutes.
5 liters 9 ml = () cubic decimeter 980 square decimeter = () square meter.
There are 48 students in Class 6 (1) today, and two of them are on leave due to illness. The attendance rate of students in Class Six (1) today is ().
6、 。
7. It takes 12 minutes to saw a piece of wood into four sections. At this rate, it will take () minutes if it is to be sawed into six sections.
8. Cut the largest circle from a square paper with a side length of 20 cm. The area of this circle is () square centimeters.
9. From City A to City B, it takes 3 hours by truck and 4 hours by bus. The shortest time ratio between trucks and buses is (), and the shortest speed ratio between trucks and buses is ().
10 The bottom area and volume of the cylinder and the cone are equal, respectively. The height of the cone is 1.8 decimeter, and the height of the cylinder is () decimeter.
Second, please give a sentence. If you think it is right, please tick "√" in the brackets after each question. If it is wrong, please tick "×". (8 points for this question * * *, 65438+ 0 point for each space)
1 and calendar years that are multiples of 4 must both be leap years. ( )
2. The circumference of a semicircle is half of the circumference of the circle in which it is located. ( )
The reciprocal of a number is not necessarily less than this number. ( )
If two straight lines are parallel, they must be on the same plane. ( )
5. One ton of coal is 40% used, leaving 60% tons. ( )
6. Add 0 or remove 0 after the decimal point, and the size of the decimal point remains unchanged. ( )
7, a cuboid, its length, width and height expand 2 times, and its volume expands 6 times. ( )
8. Put five apples in three drawers. There must be at least three apples in at least one drawer. ( )
Third, please choose carefully. Fill in the number of the correct answer in the brackets. (5 points for this question * * *, 65438+ 0 point for each space)
1, observe a 30-degree angle with a magnifying glass with a magnification of 100, then the observed angle ().
A, size unchanged b, reduced 100 times c, enlarged 100 times.
2. The degree ratio of three internal angles of a triangle is 2:3:5, and this triangle is ().
A, acute triangle b, obtuse triangle c, right triangle
3. Is a natural number greater than 10, and the minimum of the following scores is ().
A, B, C,
4, a commodity, the original price of 600 yuan, is now sold at a 10% discount, and the current price is cheaper than the original price ().
A, 530 yuan B, 40 yuan C, 60 yuan
5, with a 200 cm long wire around the following graphics, the largest area is ().
A, square b, circle c, rectangle
Fourth, firmly believe in your "computing power." Please calculate it carefully. (This question ***32 points)
1, directly write the number of the following questions. (8 points for this question * * *, 65438+ 0 points for each small question)
2. Calculate the following questions (simplify them if you can). (This question *** 12 points, 3 points for each small question)
3. Solve the ratio or solve the equation. (This question ***6 points, each empty = small question 3 points)
4, column comprehensive formula or equation calculation. (6 points for this question * * *, 3 points for each blank)
What is the product of (1) 10 and 3.5 divided by 0.7 and multiplied by 0.2? (Column synthesis formula)
②4.32 means that 6 is less than 60% of a number. What's this number? (Equation solving)
5. Do something and draw a picture. (Unit: cm) ((** 10 minute)
(1) Find the area of the shaded part below. (3 points) (2) Find the volume of the cone. (3 points)
(3) Draw a picture.
1, draw the height of BC side of triangle ABC. (2 points)
2. According to the information provided on the right, draw a triangle with the same area as the triangle ABC without measuring any data. (2 points)
6. "Use your intelligence", please explain with your heart. (25 points for this question * * *, 5 points for each small question)
1. On the map of scale, the distance between A and B is 2.4 cm. What is the actual distance between a and b?
2. There are 180 pear trees in Limin Orchard, among which there are more apple trees than pear trees. How many apple trees are there in the orchard?
3. The current price of a mobile phone is 1200 yuan, which is lower than the original price by 400 yuan. What percentage?
4. The distance between Port A and Port B is140km. It takes 4.5 hours for a ship to sail from Port A to Port B, but it takes 1 hour more than when it goes back. What is the average speed of the ship?
5. A workshop produced a batch of 900 TV parts, which was completed in group A 12 days and group B 18 days. First, group A worked for 7 days, and the remaining two groups cooperated. How many days will it take?