1. Fill in the blank: (***2 1 min, each grid 1 min)

1 and 70305880 are pronounced as () and rewritten as () in units of "ten thousand", and the mantissa after omitting ten thousand digits is about ().

2.20 10 xx Guangzhou Asian Games will be held on 201012-11.

On the 27th, then the Asian Games will take () weeks, () days more.

The ratio of 3.2 18: 123 to the simplest integer is (), and the ratio is ().

4,3 ÷ () = () ÷ 24 = = 75% = () times.

5. As shown in the figure, the radius at the bottom of the cylinder is (). Put this cylinder

You can get a rectangle by expanding its sides. This rectangle

The area is (), and the volume of this cylinder is ().

(Pi is π)

7. 1 kg brine contains 50 grams of salt, which is ()% of brine.

8, 78 can be divisible by 2, 3, and 5 at the same time, and only the unit of () can be filled, and the hundredth place of () can be filled.

9. The ratio of boys to girls in a school is 4: 5, and there are more girls than boys.

()%。

10. The distance between two maps in a city map is 10cm, which means the actual distance is 30km. This map

The scale of is ().

( 1)

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 height of a cylinder and a cone is equal, and their volume sum is 36 cubic meters, so a cone.

The volume 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 and two eyes.

Open your mouth, three frogs ... then the number of frogs is proportional to the number of legs. "()

Iii. Multiple choice questions: (5 points for each question, 1 point)

1, 2008, 1, February and March * * * have () days.

A.89B.90C.9 1D.92

2. Arbitrarily divide a parallelogram into two trapeziums, these two trapeziums, these two trapeziums ()

Always equal.

A. Height B. Sum of upper and lower bottoms C. Perimeter D. Area

3. The rectangle is 5cm long and 3cm wide, indicating the score 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 remains unchanged.

5. The following x and y are inversely proportional ().

A.Y=3+XB。 X+Y=56C。 X=56YD。 Y=6X

Four, calculation questions: (***30 points)

1, a number written directly. (65438+ 0 point for each question)

26×50=25×0.2= 10-0.86=24×=

÷3= 125%×8=4.8÷0.8=8÷=

12×(+)= 1- 1÷9=2.5×3.5×0.4=

2. Off-mold calculation. (2 points for each question)

0.25×+2.5%9.6- 1 1÷7+×4

(2)

3. Solve the ratio and equation. (2 points for each question)

5.4+2X = 8 . 62 . 5:5 = x:80.2 = 1-X24

4. Column calculation. (3 points for each question)

(1) 180 is more than 50% of 10. What's this number?

(2) What is the product of the quotient of 0.15 divided by 5 and multiplied by 5?

Verb (abbreviation of verb) problem solving: (***39 points, 4 points for each 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 out the area of the shaded part in the picture below. Unit: meter (π is 3. 14)

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)

(4)

8. The following is the output statistics of two types of cameras in a digital camera factory from 2005 to 2008.

Unit: ten thousand units

age

In 2005, 2006, 2007 and 2008.

A camera 15233040

B camera 10 182545

According to the data in the table, complete the following statistical chart.

Output statistics of two types of cameras in a digital camera factory from 2005 to 2008.

A camera

Unit: 10,000 cameras-Class B cameras.

In 2005, 2006, 2007 and 2008.

(1), and complete the above statistics. (2 points)

(2) What kind of photography grows faster? (2 points)

(3) In 2008, what was the percentage of camera B in camera A? (3 points)

(4) What is the average annual output of Class A cameras from 2005 to 2008? (4 points)

Test 2

Note: This test paper * * * has 4 pages and 5 questions, with a full score of 100 and a time of 90 minutes.

A, multiple-choice questions (65438+ 0 points per grid, ***20 points)

1. It is known that the radius of a small circle is 2cm, the diameter of a big circle is 6cm, the ratio of the circumference of a small circle to the circumference of a small circle is (), and the ratio of areas is ().

2. 12 has () factors. Choose four factors to form a ratio ().

3. The scale of the map is 1: 4000000. If you change it to a line segment, the scale is (). Since the actual distance between AB and AB is known to be 24 kilometers, you should draw () centimeters on this map.

At 4 o'clock and 3 o'clock, the angle between the minute hand and the hour hand is (), and at 6 o'clock, the angle between the minute hand and the hour hand is ().

5. The two internal terms of a proportion are 4 and 7 respectively, so the product of the two external terms of this proportion is ().

6. Draw a circle with a compass with a diameter of 8 cm. The distance between the two toes of the compass is () cm, and the position of this circle is determined by ().

7. If a number is divisible by 2, 3 or 5, it can be divisible. The minimum quantity is (). If the number is two digits, it is ().

8, if a cuboid, if its height increased by 2cm into a cube, surface area increased by 24cm2, the cuboid's original surface area is ().

9. The approximate value of three decimal places is 2.80, this number is (), and the minimum value is ().

10, typing a manuscript takes 10 hour for Party A and 12 hour for Party B, so the efficiency ratio between Party A and Party B is () and the time ratio is ().

1 1, the sum of the sides of a cube is 24cm, the surface area of this cube is () cm2, and the volume is (

)cm3 .

Second, true or false questions (each question 1 point, * * *1point)

1, two pieces of wood 1 meter long, the first piece is made of rice, the second piece is used, and the rest of the wood is the same length. ()

2. After the 0 at the end of decimal 0.50 is removed, the size of decimal remains the same, and the counting unit remains the same. ()

3. There are at least two acute angles in the triangle. ()

4. Because 3a = 5b (neither a nor b is 0), a:b=5:3. ()

5. If the volume and height of cylinder and cone are equal, the ratio of the bottom area of cone to cylinder is 3: 1. ()

6. 10 tons of coal, half of which is used, leaving 50% tons of coal. ()

7. A set of data may not have a median, but it must have an average and a mode. ()

8. A formula with an unknown number is an equation. ()

9. When a number is multiplied by a decimal, the product must be less than this number. ()

10, the cylinder is cut into a new cone, and the volume of the cut part is the volume of the cylinder. ()

Second, multiple-choice questions (2 points for each question, *** 10)

1. Cut a semicircle in a rectangle with a length of 6cm and a width of 3cm, so that the circumference of the semicircle is () cm.

A9.42B 12.42C 15.42

There is a pile of cement, which has been shipped away, and there are still a few tons left. This pile of cement is () tons.

AB 1C4

3, the following groups of line segments cannot form a triangle is ().

3 cm, 3 cm and 3 cm 1 cm, 2 cm and 3 cm 6 cm, 8 cm and 9 cm.

4. Nail four pieces of wood into a rectangle, then draw it into a parallelogram, and its () remains unchanged.

A perimeter b area c perimeter and area

5, the side of the cylinder, will not get ().

A rectangle b square c trapezoid d parallelogram

Three, solve the equation (***8 points)

4(2x-8)= 24.4 x-x = 1:x =:5x-4.5×2 =

Four, the calculation problem (***25 points)

1, write directly. (5 points)

9.6÷0.6=0.5÷0.02=+=3. 14×22=-=

4-4÷6=3÷ 10%=0. 125×8=÷= 13.5÷9=

2. Off-mold calculation. (*** 12)

3.25÷2.5÷45×0.5÷5×0.5(0.8+)× 12.5

86.27-(28.9+ 16.27)2 - 1.6×[ 1÷(2. 1-2.09)]

Verb (abbreviation of verb) operation (*** 10 point)

1. Draw parallel lines of OA and vertical lines of OB through point p.2.. This is a circle with a diameter of 4 cm. Please pull it in.

Draw a square in the circle and calculate it.

What percentage of a circle does a square occupy?

Six, solve the problem (***25 points)

1. A greening team mowed the lawn and spent 900 yuan, saving 300 yuan than before. What percentage was saved?

2. Reputation Supermarket shipped 480 kilograms of fruit, of which apples accounted for the total number of apples sold in 3 days. How many kilograms of apples are sold on average every day?

3, a box of cylindrical drinks, 4 in each row, ***6 rows, the diameter of the bottom of this cylindrical drink is 6.5cm, and the height is 12cm. What is the minimum volume of this carton?

4. On the map with the scale of 1: 2000000, the length of A and B is 5cm. How many centimeters should I draw on a map with the scale of 1:25000000?

5. Now pile a pile of wheat into a cone. It is known that its bottom circumference is 12.56m and its height is 1.2m, and it is known that the weight of wheat per cubic meter is 750 kg. How much does this pile of wheat weigh?

Test 3

1. Fill in the blanks: (23 points)

1,159.4 million is written (), and rounding to "100 million" is about ().

2. 10 0. 1 is (), and 8.5 is one tenth of ().

3. The range of approximation 3.0 is ().

4. The decimal unit of1is (), and it has ().

5, difference+subtraction+servant 20, the minuend is ().

6.4 Subtract () 0.06 and the result is 1.

7. The unit price of a piece of clothing 100 yuan, first reduce 10%, and then increase 10%. Now it is () yuan.

8. After a fraction is simplified, the sum of the numerator and denominator of the original fraction is 72, and the original fraction is ().

9. 198cm = () decimeter = () meter, 2 hours = () hour () minute.

15 days = () hours, 650 hectares = () square kilometers.

10, a rope is 75 meters long, and it is cut into 5 segments on average, with 2 segments being () long and 2 segments being () meters long.

1 1. Put four squares with a side length of 6 decimeters into a rectangle. The perimeter of this rectangle is () and the area is ().

12, A is 20% more than B, and the ratio of A to B is ().

13, cylinder and cone have the same area and volume. The height of the cylinder is 15cm, and the height of the cone is ().

Two, true or false (5 points)

1. Two rectangles with equal areas have equal perimeters. ()

The volume of a barrel is 50 cubic decimeters. It can be said that the volume of this barrel is 50 liters. ()

For any circle, the ratio of circumference to diameter remains the same. ()

4. In an acute triangle, if one angle is 30, the other two angles can be 55 and 95. ()

5, A equals B, (A≠0), then B is 50% of A. ()

Iii. Selection (10 score)

1, where () is an equation.

a、4+χ& gt； 90B、χ–5C、χ=0D、3+2=5

2. () cannot be divided into two identical triangles.

A, parallelogram b, isosceles trapezoid c, rectangle d, square

3. After the cylinder is unfolded, the side surface is square, and the ratio of the radius of the bottom surface of the cylinder to the height is ()

a、 1:πB、 1:2πC、π: 1D、2π: 1

There are 8 yellow balls and 5 red balls in the box. If you touch them at least () times, you will definitely touch the red ball.

a、8B、5C、9D、6

5, from a pile of goods out to pile b, then the two piles of goods quality is equal, the original mass ratio of a and b two piles is ().

a、7:9B、9:8C、9:7D、9:6

Four, calculation (23 points)

1, solving equation or proportion (8 points)

13—χ= 108×+ 1.5χ=4

0.7:χ= 15:=

2. Calculate with an appropriate method. (9 points)

3.5×+5.5×80%+0.88÷[7.8+×(2.75+ 1.25)]

÷[(-)÷]

3. Column calculation. (6 points)

(1)3.5 is 7 less than a number. Find this number.

(2) Divided by the sum of and, the chamber of commerce will be tripled. How much will you get?

Verb (abbreviation of verb) Find the perimeter and area of the shadow part (unit: meter) (6 points)

VI. Solving problems (33 points, 1 ~ 3 questions, 5 points for each question, 4 ~ 6 questions, 6 points for each question)

1, project a, single 10 day, single 12 day, now two people work together, and after completion, the salary is 2200 yuan. If the salary is distributed according to the amount of work completed, how much will A and B get?

There are eight cylindrical stakes in the hall that need painting. The bottom circumference of the stake is 2.5 meters and the height is 4.2 meters. 1 kg pigment can draw 6 square meters. So how much paint does it take to draw these stakes?

Grandpa Zhang uses the fence around the chicken farm and the wall of the house. The fence is 35 meters long. How big is the chicken farm?

4. Xiaogang's uphill speed is 5 kilometers per hour, and the original downhill speed is 10 kilometers per hour. Find the average speed of Xiaogang uphill and downhill.

5.72 square bricks are used to pave 18 square meters, so how many square bricks do you need to pave 24 square meters? (Use proportional solution)

6. Party A, Party B and Party C process a batch of parts at the same time. The ratio of the parts processed by Party A to the total parts processed by Party B and Party C is 65,438+0: 2. Party A and Party C * * process 135, and Party B processes this batch of parts14. How many parts are there in this batch?