2.5.07 tons = () kg, 2.8 liters = () ml.
The decimal unit of 3.5/9 is (), and it has () such units, plus () such units is 1.
4. Between 6/7, 0.8, 83% and 0. , the largest number is (), the smallest number is ().
There is student A in our school. In the 6th Art Festival, 4/7 students performed on stage, and () students performed on stage.
6. The circumference of a circle is 3 1.4 cm, and its area is () square cm.
7. Make a cuboid with three cubes 2 meters long. The cuboid has a volume of () cubic decimeter and a surface area of () square decimeter.
The ratio of 8.2: 2/3 to the simplest integer is ().
9. Choose four natural numbers from 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10. The composition ratio is ().
On June 8th, 2004, transit of venus started at 13: 12 and ended at 19: 19. This "once-in-a-century rare astronomical phenomenon" has passed from beginning to end ().
1 1. We have learned four operations:+,-,× and ÷. It is now stipulated that "*" is a new operation. A * b stands for 2a-b, such as 4 * 3 = 4× 2-3 = 5. Then 9 * 6 = ().
12. From 3: 00 to 3: 30, the minute hand on the clock turned () degrees and the hour hand turned () degrees.
Second, choose the serial number of the correct answer and fill in ().
1. If a×b=0, then ().
1A = 02B = 03A and B are both 04A, and one of them must be 0.
2. 1, 3 and 7 are both () of 2 1.
① prime factor ② common divisor ③ odd number ④ divisor
3. Two iron wires with the same length of 8 meters, cut 3/8 from the first one and 3/8 meters from the second one. The rest ().
① It is impossible to compare ② The first root length ③ The second root length ④ The length is equal.
The route of the Beijing torch relay for the 2004 Athens Olympic Games is shown in the figure (omitted). According to this map (scale:1:280000), the distance of the torch relay from the east gate of the Great Hall of the People to the Summer Palace is about ().
① 5500m ② 328km ③ 55km ④ 6km.
Third, simple calculation.
57.5-4.25- 15.75 125×32 5/7× 16.3 1-5/7×2.3 1
Fourth, off-type calculation.
6760÷ 13+ 17×25 4.82-5.2÷0.8×0.6
5/6-3/4÷3/ 10 35÷7/8× 1-2/7
Fifth, solve the equation.
3.2x-4×3=52 x∶ 1.2=3∶4
Sixth, draw pictures.
Please draw a parallelogram in the square first, and then draw a trapezoid with the same area. (Figure omitted)
Seven, the application problem.
1. This year, the number of applicants for the national college entrance examination reached 7 million, a record high. National colleges and universities plan to enroll 4 million students. What percentage of registered students have participated in this program? (Keep one decimal place before the percent sign)
2. The train speed 1 10 km/h, and the plane speed of 20 km/h is less than 8 times that of the train. Find the speed of the plane.
3. The area of the combined graph (sketch)
4. Uncle Zhang deposited 5000 yuan 1 year (annual interest rate 1.98%) in the bank. According to national regulations, the interest earned shall be subject to interest tax of 20%. How much interest did Uncle Zhang actually earn after the expiration?
5. The following figure is the statistical chart of the world's largest crude oil producer and oil consumer in 2003 (omitted). (Unit: million tons)
(1) China is the largest crude oil producer and oil consumer in the world. In 2003, China needed to import one million tons of oil.
(2) The United States is the largest oil consumer in the world. In 2003, the oil consumption of the United States was roughly equivalent to the crude oil output of several countries such as ().
6. Mathematical problems about toothpaste.
(1) Xiaohong goes to buy toothpaste. The price of two specifications of toothpaste of the same brand is as follows: 120g, each 9 yuan; 160g, each 1 1.2 yuan. Which size of toothpaste is more economical for her to buy? Why?
(2) Toothpaste outlet diameter is 5mm, and Xiaohong squeezes out toothpaste every time she brushes her teeth 1cm. This toothpaste can be used for 36 times. The new packaging of this brand of toothpaste only changes the outlet diameter to 6mm, and Xiaohong still extrudes toothpaste with the length of 1cm every time as usual. So, how many times can I use this toothpaste? What do you think after the calculation?
Respondent: qsc 839 177338- probationary period level 1 July 22, 200910:10.
Elementary School Mathematics Graduation Examination Paper 2008.6
Jiangdu Central Primary School Proposition: Tang Zhou Chunzhi Revising: (Examination time: 90 minutes)
TitleNo. 12345 Total Grade
Take the lead
Marker
First, do the math, don't be careless. (26 points).
1, compare and see who is serious and accurate. (0.5 points for each small question, ***6 points)
70-34= 0.36+0.4= 84÷7= 19+24= + = - =
2.5×0.4= 0×26= 0.25÷0.0 1= 1÷ 10%= 1÷ = × =
2. Off-mold calculation can be simplified. (*** 12)
149+587+5 1 75×0.5+ 15×0.5 8× × 12.5 ( - )×45
3. Solving equations: (***8 points)
X+ = 5X÷0.5=42 9:4=4.5:X :X=:
Second, fill it out. I believe you can do it. (2 points for each question, ***20 points)
1. The shading in the figure below indicates X.
2.3 tons and 40 kilograms = () tons, 0.4 square meters = () square decimeter.
3. The area of the ocean on the earth is about 3.6 1 100 million square kilometers, written as () square kilometers, and the mantissa after omitting 1 100 million is about () million square kilometers.
4. Cut the cylindrical wood with a bottom area of 6 square decimeter and a height of 12 decimeter into the largest cone. The volume of the cutting part is (), and the volume of the cutting cone is ().
5.1964101October 16, China's first atomic bomb test was successful, which lasted () days, and 2008 was the anniversary of ().
There is a ton of cement on the construction site, and 3.5 tons are used every day. After b days, the remaining tonnage is expressed by formula ().
7. On the map with the scale of 1: 8000000, the distance from Shenzhen to Guangzhou is 2 cm, and the actual distance from Shenzhen to Guangzhou is about () kilometers.
8. The radii of the big circle and the small circle are 5cm and 3cm respectively, and the ratio of the perimeters of the big circle and the small circle is ().
The ratio of area is ().
9.25 balls are arranged in a row as shown in the figure, and the18th ball is a () ball; There are () black balls.
10. See the table below for the number of blinks per minute:
Normal state, writing, reading, playing computer games
The number of flashes per minute is 24 18 15 10.
As can be seen from the above table, the eyes are most prone to fatigue at (). The number of blinks in normal state is ()% of the number of blinks when playing computer games.
Third, choose the golden eye. (***6 points)
1. The one with only one axis of symmetry in the figure below is ().
A. rectangle B. isosceles triangle C. circle D. parallelogram
2. As shown in the picture on the right, tile this wall.
* * * There are () different paste methods.
a、3 B、4 C、5 D、6
3. The average height of students in Xiao Ming's class is 1.4m, and that of students in Xiao Qiang's class is1.5m. Compared with Xiao Qiang, Xiao Ming ().
A. Xiao Ming is tall, B. Xiao Ming is short, C. is as tall as D..
4.4 Get off at Bus Station A 15 people, get on the bus 17 people, get off at every turn 13 people, and get on the bus 2 1 person. There are () people on bus No.4.
There are two red balls and two white balls in a sealed and opaque bag. Lulu reached out and grabbed 1 ball at will. The possibility of catching the red ball is ().
A.B. C. D。
6. The correct translation method is () after translating the above picture and the following picture in the following picture.
A. Move 1 grid down first, and then move 1 grid left.
B. Move down 1 grid first, and then move 2 grids to the left.
C. First move down 2 squares, and then move to the left 1 square.
D. First move down 2 squares, and then move left 2 squares.
Fourth, start operation and learn to create. (3+4+5= 12)
1. The picture on the right is an enlarged view of a cube. Please put it in three spaces.
Fill in the appropriate numbers, so that in the original cube, the two are opposite.
The sum of the numbers on the surface is 10.
2. The following geometry has () small cubes. Draw from the front, top and left respectively.
To shape.
Upper anterior side
According to the following description, mark the location of each museum on the schematic diagram of the zoo and fill in the blanks.
(1) The zoo gate is located at (5,0), north of 10.
Walk 100 meters to the Panda Pavilion. nine
(2) The aquarium is located in (,). eight
(3) The Elephant Pavilion is located at (10,3). seven
(4) Lion Tiger Mountain to Panda Pavilion and Elephant 6
The distance between pavilions is equal. five
(2) Luyuan is located at (1, 8), drawing Luyuan 4.
The road to the gate. three
2
1
1 2 3 4 5 6 7 8 9 10
5. Go into life and solve problems. (***36 points)
1. Xiaoling's height 135 cm. Xiao Qiang is taller than Xiaoling. How many centimeters is Xiao Qiang taller than Xiaoling?
2、
According to this calculation, how many tons can 1000 tons of iron ore be ironed?
3. The long jump field of the school playground is a rectangular bunker, 6 meters long and 1.8 meters wide.
* * * How many tons of yellow sand do you need?
4. In order to prepare for Children's Day on June 1st, Xiaohong and Xiaoming folded 140 paper cranes.
How many paper cranes did Xiaohong and Xiaoming each fold?
5. There are 16 students in Hongzhi Primary School, accounting for about 20% of the total number.
(1), which program has the largest audience?
(2) The number of people watching music appreciation accounts for about 15% of the total number. How many people watch music and enjoy it?
6. The monthly water fee for each household in a city was originally per cubic meter 1.90 yuan, and is now adjusted as follows.
Water consumption is 20 cubic meters or more and 20 cubic meters or less.
The charging standard is 2.30 yuan per cubic meter and 3.45 yuan per cubic meter.
According to the above information, according to the new charging standard, the water fee of the Wangs in May this year was 20.4 yuan more than the original one. How many cubic meters of water did the Wangs use this month?
(Proposition: Tang Zhou Chunzhi Revision:)
Reference answer:
First, do the math, don't be careless.
1, compare and see who is serious and accurate. (0.5 points for each small question, ***6 points)
36 0.76 12 43
1 0 25 10 6
2. Off-mold calculation can be simplified. (*** 12)
787 45 60 6
(Write 2 points in the calculation process, and get 1 point; There is no simple way to give 1 minute. )
3. Solving equations: (***8 points)
X= X=4.2 X =2 X =
(If you write it correctly, it will be 1 minute, and it will be 1 minute. )
Second, fill it out. I believe you can do it. (2 points for each question, ***20 points)
1, the method is not limited, as long as it can be correctly expressed. 2.(3.04 tons) (40) 3. (3,665,438+0,000,000) (400 million)
4.(48 cubic decimeter) (24 cubic decimeter) 5, (366)(44) 6, (a-3.5b)7, (160) 8, (5: 3) (25: 9) 9, (black) (/kloc-0.
Third, choose the golden eye. (***6 points)
1 、( B )2 、( D )3 、( D )4 、( C )5 、( A )6 、( C)
Fourth, start operation and learn to create. (3+4+5= 12)
1. The picture on the right is an enlarged view of a cube. Please put it in three spaces.
Fill in the appropriate numbers, so that in the original cube, the two are opposite.
The sum of the numbers on the surface is 10.
2. The following geometry has () small cubes. Draw from the front, top and left respectively.
To shape.
Upper anterior side
According to the following description, mark the location of each museum on the schematic diagram of the zoo and fill in the blanks.
(1) The zoo gate is located at (5,0), north of 10.
Walk 100 meters to the Panda Pavilion. nine
(2) The aquarium is located at (8, 9). eight
(3) The Elephant Pavilion is located at (10,3). seven
(4) Lion Tiger Mountain to Panda Pavilion and Elephant 6
The distance between pavilions is equal. five
(5) Luyuan is located at (1, 8), and draws Luyuan 4.
The road to the gate. three
2
1
1 2 3 4 5 6 7 8 9 10
5. Go into life and solve problems. (***36 points)
1, 135× =27 (cm) 2,1000÷10× 6.053,4 and 40 cm = 0.4m
Answer: (omitted) =100× 6.056×1.8× 0.4×1.5.
=605 (ton) =6× 1.8×(0.4× 1.5)
Answer: (omitted) =6× 1.8×0.6.
= 10.8×0.6
=6.48 (ton)
Answer: (omitted)
4. Solution: Let Xiaoming fold the X paper crane and Xiaohong fold 75% X.4.. Solution: the total number of people is X.
X+75%X= 140 20%X= 16
1.75 X = 140 X = 16÷20%
X= 140÷ 1.75 X=80
X=80 80× 15%= 12 (person)
75%X=60
A: Xiaoming folds 80 paper cranes and Xiaohong folds 60. A: (1), the number of people watching Story World is the largest;
(2) There were 12 people watching music.
6, 2.30- 1.90=0.40 (yuan)
20.4÷0.40=5. 1 (m3)
5. 1 (m3) < 20 (m3)
A: Uncle Wang's water consumption this month is 5. 1 m3.