1. Fill in the blank: (***2 1 min, each grid 1 min)
1 and 70305880 are pronounced as () and rewritten as numbers in units of "ten thousand".
It is (), 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. Put 2 18: 1 2.
The ratio of 3 to the simplest integer is (), and the ratio is ().
4、3÷( )=( )÷24=
12
= 75% = () fold.
5. As shown in the figure, the radius at the bottom of the cylinder is (). Put this circle.
The edge of the column can be expanded into a rectangle. This rectangle
The area is (), and the volume of this cylinder is ().
(Pi is π)
10cm
6、57= 5 × 157 × ( ) , 57= 5+ 157+(___)
7. 50 grams of salt is ()% of salt water. Eight, two, three and five are divisible. Units can only fill in (), and hundred units can fill in ().
9. The ratio of boys to girls in a school is 4: 5, and the number of girls is ()% more than that of boys.
10. The distance between two maps in a city map is 10cm, which means the actual distance is 30km. The scale of this map is (). 2. True or false questions: (* * * 5 points for each question, 1 point)
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. () 3. The cylinder and the cone have the same height, and their volume sum is 36 cubic meters, so the volume of the cone is 9 cubic meters. ( )
4. Of the 90 parts produced, 10 is rejected, and the qualified rate is 90%. () 5. "Frogs have 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 proportional to the number of legs. () III. Multiple choice questions: (5 points for each question, 1) 1, 20 1 1 year, 1 month, February and March.
A.89 B.90 C.9 1 D.92
2. Divide a parallelogram into two trapeziums at will, where () is always equal. A. Height B. Sum of upper and lower bottoms C. Perimeter D. Area
3. A rectangle is 5 cm long and 3 cm wide, 5-3.
five
Represents a part of (). A. length is greater than width B. length is less than width C. width is less than length D. width is greater than length.
4. When the numerator of a fraction decreases by 3 times and the denominator increases by 3 times, the fractional value decreases by () times.
A.3b.6c.9d unchanged. The following x and y are inversely proportional ().
A.Y =3+ X B.X+Y= 56。 X= 566D。 Y= X IV。 Calculation problem: (***35 points) 1. Numbers written directly. (65438+ 0 point for each question)
26×50= 25×0.2= 10-0.86= 24×
3= 4
0.2 = 1-
34 ÷3= 125%×8= 4.8÷0.8= 8÷=
X 24
seven
12×( 14+ 1
6)= 1- 1÷9=
2. Off-mold calculation. (2 points for each question)
0.25×45+ 2.5%
12 1 1 6-2? 3? 3?
3. Solve the ratio and equation. (3 points for each question) 5.4+2X = 8.6 2.5:5 = x:8
523-23? 0=
2.5×3.5×0.4=
9.6- 1 1÷7 + 1
seven
×4
4. Column calculation. (4 points for each question)
(1) 180 is more than 50% of 10. What's this number?
(2)0. 15 divided by the quotient of 38 plus 5 and then multiplied by 1.
four
What is the product?
Verb (abbreviation of verb) problem solving: (***34 points, 4 points for the first 7 questions, and 6 points for the eighth question)
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?
The car factory planned to assemble 4000 cars in 25 days, which was actually completed five days ahead of schedule. How many cars are actually assembled every day on average? (Equation solving)
5. A rectangular glass fish tank (there is no glass at the top of the fish tank), which is 5 decimeters long, 3 decimeters wide and 3.5 decimeters high. How many square decimetres of glass does it take to make this fish tank?
6. Find the area of the shaded part in the figure below. Unit: meter (π is 3. 14)
20
7. A cylindrical glassware with a bottom radius of 6 cm contains some water, and a conical plumb hammer with a height of 9 cm is immersed in the water. When the plumb hammer was taken out of the water, the water level dropped by 0.5 cm. How many square centimeters is the bottom area of this cone? (π takes 3. 14)
8. The following are statistics and charts of five shuttlecock kicks by Xiao Li and Xiao Ming respectively.
dotted line
Statistical chart of five shuttlecock kicks by Xiao Li and Xiao Ming.
(1) How many times did two people play the same amount of badminton?
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ (briefly explain the reasons)
Beijing normal university printing plate sixth grade elementary school mathematics graduation examination paper 2
Fill in the blanks. (27 points)
1, the digits of a number are all 9. This number is written as () and read as (), and rewritten as () in units of 10,000. After omitting hundreds of millions, the mantissa is about ().
2. A number is both a multiple of 20 and a factor of 20. Write this number as the sum of two prime numbers: ().
3、( )÷24=24:( )= =( )%=0.375
4. The smallest three digits divisible by 2, 3 and 5 is ().
5, 5.06 hectares = () square meters 3: 25 = ()
6. Two decimal places are accurate to 3.6, this number is (), and the smallest is ().
7. 1 football is one yuan, which is more expensive than 1 basketball in 8 yuan, so buy five basketball () yuan; 6a+8(a-8) stands for ().
8. The simplest integer ratio of the circumference and diameter of a circle is (), and the ratio is ().
9. type a manuscript, and there are still 2400 words after typing. This manuscript has () words.
10, a manuscript, A needs 1 hour to complete, B needs 40 minutes to complete, and the efficiency ratio of A and B is ().
11.When 200 yuan buys a garment, the price is increased by 60% first, and then it is sold at a 20% discount. The current price is () yuan.
12 and 150 kg rapeseed can extract 63 kg of oil, and the oil yield of rapeseed is (). According to this calculation, 5 tons of rapeseed can extract () kilograms of oil; To extract 1050 kg of oil, you need () kg of rapeseed.
13, write a ratio with a coefficient of 18 ().
14, () Small cubes with a side length of 1cm can be combined into a large cube with a side length of 1dm, and these small cubes are arranged in a row to form a cuboid with a length of ().
Second, the judgment question. (5 points)
1, a number is 80% of b number, and b number is a number. ( )
2. Cyclic decimal is infinite decimal, and infinite decimal is not necessarily cyclic decimal. ( )
3. Look at an angle of 10 with a magnifying glass of 10, which is 100. ( )
4. The degree ratio of the three internal angles of a triangle is 2:2:5, so the ratio of the three sides is also 2:2:5. ( )
5. The circumference of a circle is fixed, and its diameter is in direct proportion to pi. ( )
Third, multiple choice questions. (5 points)
1, if the radius of small circle is equal to the radius of large circle, the ratio of the area of large circle to the area of small circle is ().
a、 1:3 B、3: 1 C、 1:9 D、9: 1
2. The ratio of three angles of a triangle is 2:2:5, which is a () triangle.
A, isosceles b, equilateral c, right angle
Last year's National Day was Wednesday, and this year's is ().
A, Thursday b, Friday c, Saturday
4, the following can form a triangle is ().
A, 1 cm, 2cm, 3cm b, 2cm, 3cm, 4cm c, 2cm, 3cm, 5cm.
5, two ropes of the same length, the first one is used, the second one is M, () the rest is long.
A, the first b, the second c, the same length d, can't be sure.
Fourth, the calculation problem. (28 points)
1, a number written directly. (4 points)
3.33-3= 1.25×0.8= 3÷0.5= 36×25%=
- = 6÷ 1 = 3.6× 10 1= 500÷25×4=
2, mixed operation, simple calculation. (12)
(0.8-0.8×0.8)÷0.8 ×[ -( - )]
3. Solve the equation. (6 points)
3x- 16×3 = 102 x+60% x = 120
4. Column calculation. (6 points)
(1)6 times the difference between 1.2 and 0.7, and then divided by 0.9, what is the quotient?
② The sum of a number is equal to 45%. What's this number? (Equation solving)
Five, painting questions (4 points)
1, the vertical line and the parallel line passing through point A are the edges.
A
2.( 1) Figure A is a symmetrical figure. Please draw the other half of the figure according to the symmetry axis.
(2) Draw the figure obtained by translating Figure B 3 squares to the right and then rotating it 90 clockwise around the O point.
Sixth, the application problem. (3 1)
1, only column types are not counted (4 points)
(1) Girls in the school science and technology group 18, three more than boys. How many boys are there in the school science and technology group?
(2) After adopting new technology, a chemical plant uses 14 tons of raw materials every day. It used to use raw materials for seven days, but now it can use 10 days. How many tons of raw materials does this factory save now than before?
2. Draw a line segment diagram for analysis and juxtaposition, without calculation. (2 points)
There are 15 tons of steel in the warehouse. For the first time, 20% of the total amount was used. For the second time, how many tons of steel are left?
3. List and answer. (25 points)
(1) Maple Leaf Garment Factory received the task of producing 2,400 shirts, and completed 40% in the first three days. According to this calculation, how many days will it take to complete this production task?
(2) There are 40 more peach trees than apricot trees in the orchard. The number of apricot trees belongs to peach trees. How many peach trees and apricot trees are there respectively? (Equation solving)
(3) The sand at the construction site is conical, with a bottom area of 12.56 square meters and a height of 1.2m, and the weight of sand per cubic meter is about 1.5 tons. How many tons is this pile of sand?
(4) The machinery plant burns 39 tons of coal, which has been burned for 16 days, and the average daily coal consumption is 1.2 tons. If the remaining coal burns 1. 1 ton every day, how many days can it burn? (Equation solving)
(5) Xiaoxiao's food expenditure accounted for 60% of the total expenditure last month, which was more than other expenditures. How much did 480 yuan's family spend last month?
Beijing normal university printing plate elementary school sixth grade mathematics graduation examination paper 3
Fill in the blanks. (1 minute per space, ***24 points. )
1, 5: 24 = () 78050 square meters = () hectares
2. The writing method consisting of 300 million, 8 million, 9 million and 6,500 numbers (), rounded to 100 million is about ().
3, 250 kg: 0.5 tons, simplified as (): (), the ratio is ().
4.2.75 The decimal unit after conversion to the simplest fraction is (), and the smallest composite number is added with the decimal unit such as ().
The length-width ratio of the national flag is 3∶2. As we all know, a national flag is 240 cm long and () cm wide. The length of the national flag is 80% greater than its width.
6. The two prime numbers whose difference is 1 are () and (), and their common factor is ().
7. You can draw () straight lines after two points, and there are () intersections where two straight lines intersect.
8, sampling inspection of a commodity, there are 38 kinds of qualified, 2 kinds of unqualified, the qualified rate of this commodity is ().
9. The original price of a radio is 100 yuan. First raise the price by 10%, and then lower the price by 10%. Now the price is () yuan.
10. Divide the 3m-long rope into 5 sections on average, and each section accounts for () m of the total length.
1 1, the volume difference between a cylinder and a cone with equal bottom and equal height is 4.6 cubic decimeter, and the volume of a cylinder is () cubic decimeter.
Second, choose. (65438+ 0 points for each question, ***8 points. )
1, a cuboid has a certain volume, bottom area and height ()
① proportional; ② inversely proportional; ③ Out of proportion; (4) It can be a batch ratio or a direct ratio.
2.A and B are two natural numbers that are not 0, A ÷ B = 6, and the least common multiple of A and B is ().
①a； ②b； ③ 6 ; ④ 6a .
3. The base of the parallelogram is tripled, the height is tripled, and the area is expanded to the original (
① 2 times; ② 3 times; ③ 5 times; ④ Six times.
4, the symmetry axis in the following figure is the most ()
① Rectangular; ② Square; ③ triangle; Four rounds.
5. After a rectangular box is drawn as a parallelogram, the area is ().
1 unchanged; ② decrease; ③ increase; ④ It may decrease or increase.
6. Throw coins 20 times in a row. After landing, the face value pattern will go up, down, up ... 20th face value pattern ().
① upward; ② downward; 3 there is the possibility of going up and down; (4) it is impossible to go up and down.
A common multiple of 3 and 5 in 7 and 32 is ()
① 1; ② 2; ③ 3; ④ Four.
8. The areas of rectangles, squares and circles are equal, so the longest perimeter is ().
① Rectangular ② Square ③ Circular
Third, calculation. (3 1)
1, the number written directly (5 points)
3500-700= 0.4×0.2= 9-0.9= 24÷2/ 1 1=
204÷2= 1/2+ 1/3= 2/5+7/8= 0.9+99×0.9=
2. Solve the equation. (4 points)
2x+3×0.9=24.9 120%x+x =44
3, calculation, you can simply write a simple calculation process. (16)
4×0.8×2.5× 12.5 0.65× 14+87×65%-65%
42÷[ 14-(50-39)] 2.25×4.8+77.5×0.48
4. Column calculation. (6 points)
(1)32 The number less than 4/5 is 28. Find this number. (2) What percentage is100 more than 80?
Fourth, answer. (16)
1, operation (4 points)
(1) Draw a circle with a diameter of 4CM with point A as the center and calculate its area. 2 points
(2) Parallel lines passing through point A are called known straight lines.
. A
(3) Measure the distance from point A to the known straight line as () cm.
2. Use it as a graph to analyze the quantitative relationship of the next question. (4 points)
On the first day of the auto show, 65 vehicles were sold, and on the second day, the turnover increased by 1/5. How many cars were sold the next day?
3. Answer according to the statistical chart. (8 points)
Air Conditioning Sales Statistics of Longteng Company in 2007
(1) The sales volume of () in the first quarter was () units;
(2) Annual average monthly sales () units;
(3) Compared with the first quarter, the sales volume in the second quarter increased by ()%.
Fifth, solve the problem. (The first question is 6 points, and the other questions are 5 points and 26 points respectively. )
1. A canteen imported 600 tons of rice in March, 6 tons less than 3/5 of the imported vegetables. How many tons of vegetables were imported?
2, a house floor tile, with a square brick with a side length of 4 cm, needs 90 pieces. If you use a square brick with a side length of 6 cm, how many pieces do you need?
There is some rice in the school canteen. I ate 3/5 in 3 days, and there are 60 kilograms left. How many kilograms of rice are there?
Two engineering teams, Team A and Team B, are repairing a highway in the disaster area. They work at both ends at the same time. Team A repairs 8.5 kilometers every day. Team B builds 6.5 kilometers every day and finishes it in five days. How many kilometers is this highway?
5. Grandpa Zhang's label says 80 tablets, each 10g. The doctor's prescription says, 20 grams three times a day, how many days can Grandpa Zhang take this bottle of medicine?
1. Model essay on training summary and bridging the gap
Since the beginning of school, with the care and support of teacher