(Time: 90 minutes)

First, think about it. I'll fill it out. (20 points)

The product of 1 and 5.04×2. 1 is a decimal (); The quotient of 22.6÷0.33, with one decimal place reserved, is about ().

2. Two decimal places () and three decimal places () will be reserved.

Fill in ">" < or "=" in the circle below.

3.25×0.98 3.25 A ÷0.97 A (A≠0)

0.75÷0.5 0.75×2

4. A classmate's ID number is 510402199703155221. This classmate was born on () of () year, and her gender is ().

5. Kobayashi buys four pens, one yuan each; I bought five more exercise books at B yuan each. The amount of money paid by a * * * can be expressed by formula (); When a = 2.5 and b = 0.5, a * * * should pay () yuan.

6. Move the decimal point of a decimal to the right by two places to get a new number. The difference between this new number and the original number is 44.55, and the original number is ().

7. Master Wang processes one part and 20 parts in 5 minutes, so it takes () minutes for Master Wang to process 1 part on average, and () parts can be processed in 1 minute.

8. The three sides of a right triangle are 3 cm, 4 cm and 5 cm respectively, and the area of this right triangle is () square cm.

9. The upper bottom, lower bottom and height of the right-angled trapezoid are 10dm, 12dm and 8dm respectively, and its area is () square decimeter; Draw the largest square in the trapezoid, and the area of the square is () square decimeter.

10. There are six balls in the box, which are marked with the numbers 1, 2, 3, 4, 5 and 6 respectively. Contact with any one, there are () possibilities. The probability of each result is (), the probability of singular is (), and the probability of less than 3 is ().

Second, criticize, and I will judge. (5 points)

1, a2 and 2a have the same meaning. ( )

2. When two numbers are multiplied, the product must be greater than any factor. ( )

3. After the rectangle nailed by four pieces of wood is drawn into a parallelogram, the perimeter and area remain unchanged. ( )

4.9.999999 is a cyclic decimal. ( )

5. All equations are equations, but all equations are not necessarily equations. ( )

Third, after careful consideration, I will choose. (5 points)

1, each empty bottle can hold 2.5 kilograms of salad oil. Miss Wang needs at least () bottles to put 25.5 kilograms of salad oil in such bottles.

a、 10 B、 1 1 C、 12

2, the following graphics can't close shop is ()

A, regular pentagon b, regular hexagon c, regular triangle

3. Put 15 balls in a box, including 5 red balls, 2 green balls, 7 black balls and 1 yellow balls, and take them out of the box.

Touch a ball at will, the possibility of touching the red ball is (), and the possibility of touching the yellow ball is ().

A, B, C, D,

4. The teacher's home is in Building 06, Unit 3, 08th Floor, Happiness Community. If F is used to represent a happy community, then the teacher's home is.

The number of is ()

Answer. F—06—3—08—3 b . F—3—06—3—08 c . F—6—3—8—3

5. In the picture on the right, two triangles (indicated by shading) are drawn in two squares with equal sides. they

Compared with the area of ()

A, A has a large area, B has a large area, and C is equal.

Fourth, carefully examine the questions, and I'll do the math. (40 points)

1, write the number directly (5 points)

3.5×0. 1= 3.6÷0.09= 200×0.04= 12÷ 1.2= 1.3×0.5=

0.42÷0.6= 3.2×0.5= 0.2 1×0.3= 2.5× 1.4= 5.5÷ 1 1=

2, column vertical calculation (6 points)

0.73×2. 15 7.38÷ 1.6

3. Calculation of the following problems can be simplified. (12)

8.4×0.26+0.74 5.5× 17.3+2.7×5.5

3 1.7-0.5×0.7- 1.65 0.8×(3.2-2.99÷2.3)

4, solve the equation (12 points)

7 -2×9=8 1 7+5 =42

13 -7.5 = 19.25 (32- )×6= 108

Five, practical exercise, I'll do it.

(1) Please connect. (3 points)

Please draw a picture from different directions. (2 points)

Left: right:

(3) Find the area of the shaded part (unit: meter) (5 points)

Six, solve the problem, I can do it. (25 points)

1. School Art Festival, 20 garlands and 20 colored balls were prepared, which cost * * * 100 yuan. How much are colored balls and garlands per 3.5 yuan?

2. parallelogram plot, with a bottom of 250 meters and a height of 68 meters, with 3400 kilograms of rapeseed. How many kilograms of rapeseed is produced per hectare on average?

The Spring Festival is coming. A supermarket bought 540 small Chinese knots, 60 less than 4 times that of big Chinese knots. How many big Chinese knots did the supermarket buy? (Equation solving)

There are 480 peach and pear trees in the orchard. There are three times as many pear trees as peach trees. How many peach and pear trees are there in the orchard? (Equation solving)

The monthly electricity consumption of Xiaoming's family in the first half of last year is as follows (electricity consumption unit: kWh).

June one two three four five

Power consumption /kWh 8 1 85 65 55 47 63

1, what is the average monthly electricity consumption in the first half of the year?

2. What is the median of these data?

Respondent: Yu Chenlong-Grade III 2009-6-1811:53

Fill in the blanks. (1 point per space, 24 points for * * *)

1, Xiaoming borrowed money from 20 yuan, and after spending X yuan, he still had () yuan left.

2. The greatest common factor of12 and 18 is (); The least common multiple of 6 and 9 is ().

3. Divide the 3-meter-long rope into 8 sections on average, each section is meters long and each section is full-length.

4. Xiaohong's position in the classroom is (5,4) right. She sits in column () and row (). Xiaoli's position in the classroom is column 5, line 3, which is represented by a number pair (,).

5. The smallest three digits that can be divisible by 2, 3 and 5 at the same time (); The maximum number that can divide 6 and 8 at the same time ().

6. If a÷b=8 is (and both A and B are not natural numbers of 0), their greatest common factor is () and their smallest common multiple is ().

7.(A is a natural number greater than 0), when A is a true fraction, when A is a false fraction, and when A is equal to 3.

8、 = =( )÷9=44÷( )

9. Fill in the appropriate scores in the brackets.

35 cubic decimeter = () cubic meter for 53 seconds = () when 25 hectares = () square kilometers.

10, among all divisors of 20, the largest is (), and among all multiples of 15, the smallest is ().

1 1, there is a cube dice, and the numbers on six faces are 1, 2, 3, 4, 5 and 6 respectively. Throw it once

Dice, the possibility of getting a composite number is, the possibility of getting an even number is.

Second, judge carefully. (5 points)

1, the equation must be an equation, but the equation is not necessarily an equation. ………………………………( )

2. False scores are all less than 1. ……………………………………………………( )

3. Number pairs (4,3) and (3,4) indicate the same position. …………………………( )

The greatest common factor of 4, 14 and 7 is 14. ……………………… ………………( )

5. Divide a wire into four sections, each section is meters. ……………………………………( )

Third, choose carefully. (5 points)

1. A rectangular piece of paper with a length of 24 cm and a width of 18 cm should be divided into small squares with the same size, and there is no redundancy. The smallest can be divided into ().

A. 12

2 is a true fraction, and the value of x has () possibilities.

A.3 B. 4 C. 5 D. 6

3. There are 28 boys and 25 girls in Class 5 (3), and boys account for () of the class.

A.B. C. D。

4. Divide 4g into 5 parts, each part is ().

A. Total weight

5. The greatest common factor of two numbers is 4 and the least common multiple is 24. These two numbers can't be ().

A.4 and 24 B. 8 and 12 C. 8 and 24

Fourth, careful calculation (40%)

1, writing number 4%

6.3+7= 2 1.5+9.5= 2.5×0.4= 42.8-4.28=

1-0.0 1= 3.5÷0.5= 8.2÷0.0 1= 8.2×0.0 1=

2. Solve the equation: 12%

X-7.4 = 8 2X = 3.6 X÷ 1.8 = 3.6 X+6.4 = 14.4

3. Find the greatest common factor and the least common multiple of the following groups. (9%)

10 and 9 14 and 42 26 and 39

4. Recursive equation calculation: 9%

(2.44- 1.8)÷0.4 2.9× 1.4+2×0. 16 30.8÷[ 14-(9.85+ 1.07)]

5. Make an equation according to the meaning of the question and then answer it. (6 points)

① The sum of 7 x's is 10.5.

Verb (abbreviation of verb) application questions: (1-3 questions, 27%, 5 points for each question, and 4 points for the rest).

1. There were 138 male athletes and 7 female athletes in the 28th Olympic Games in China, twice as many as male athletes. How many male and female athletes are there?

In Beijing's bid to host the 2008 Olympic Games, * * has 65,438+005 valid tickets, and Beijing has 56 tickets. What percentage of valid votes did Beijing get?

Party A, Party B and Party C go to the library to borrow books. Party A comes every six days, Party B every eight days and Party C every nine days. If they meet in the library on April 25th, when will they all go to the library next time?

There is a piece of cloth 8 meters long, just enough to make 12 pairs of pants of the same size. How many meters of fabric is used for each pair of trousers? How much of this cloth is used for each pair of trousers?

5. Cut a rectangular piece of paper with a length of 20 cm and a width of 16 m into squares with the same size and as large an area as possible. There is no paper. How many pieces can I cut at most?

6. Two cars leave from Party A and Party B at the same time. A travels 48 kilometers per hour and B travels 54 kilometers per hour. When they met, the two cars were 36 kilometers away from the midpoint. How many kilometers is it between Party A and Party B?

Final Test Paper Name _ _ _ _ _ _ _ Score:

Fill in the brackets with your satisfactory answers. (20 points)

1, 8,359,004 writing (), rounded to ten thousand places is about ().

2. 1.75 hours = () hours () 7800 square meters = () square kilometers.

3. Divide the 4-meter-long iron wire into five sections on average, with each section being () () kilometers long.

4. The unit of the score is 1 10, and the maximum true score is (). It adds at least () such decimal units to become the smallest odd number.

5. The ratio of A to B is 8: 5, B is 25 and A is ().

6. In 25: x, when X= (), the ratio is 1, when X= (), the ratio is meaningless, and when X= (), it can be proportional to 23 :2.

7.A is twice that of B and C is twice that of A, so A: B: C = ()

8. A worker produced 200 parts, four of which were unqualified, and the qualified rate was ()%.

9. A job takes 10 hours to complete its 5 12, and it takes 23 hours to complete it.

10, it is known that the ratio of m to m is 2: 3, and their greatest common divisor is 16, so M= ().

Second, with a sharp eye, right and wrong are clear. (6 points)

1, the formula with unknown number is called equation. ( )

2. Integers less than 3 are 1 and 2. ( )

3.9 15 cannot be converted into a finite decimal. ( )

4. Because 45

5. The simplest integer ratio must be the simplest fractional ratio. ( )

The height of each floor of 6.7 floors is the same. It takes 40 seconds for Xiao Ning to walk from the first floor to the third floor, so it takes 140 seconds to walk to the top floor.

Three. Happy A, B and C(6 points)

1, a number (except zero) divided by 19, this number is (). A, expand 9 times b, shrink 9 times c, increase 9 times

2. A thresher can thresh 9 10 tons in 34 hours and 9 10 tons in 0 hours ().

A, greater than B, less than C, equal to D, greater than or equal to.

3. equilateral triangles are () a, acute triangle b, right triangle c and obtuse triangle.

4. Give 15 of the weight of the first basket of apples to the second basket. At this time, the weight of the two baskets of apples is equal. The original weight ratio of the first basket and the second basket is (). a，4: 5 B，5: 4 C 5: 3。

5. Saw a cube with a side length of 4 cm into a small cube with a side length of 1 cm, and saw out () blocks.

a、4 B、8 C、 16 D、32 E、64

6. Cylinders and cones have equal volumes. It is known that the bottom area of a cone is twice that of a cylinder, so the height of the cylinder is the height of the cone (). A, 12 B, 23 C, 2 d, 3

Four, small psychic (23 points)

1, oral calculation (5 points)

93+55+7+45= 476-299= 0. 1×0. 1×0. 1= 8+5.2= 77× 1 1-77= 0. 12÷0. 15=

15.24- 1.6-8.4= 56 -(8 13 +56 )= 2740 ÷9= 8×5×0.0 1=

2. Find the unknown X(4 points)

7X-434 =2.25 X - 14 X=6

3, off-type calculation can be simplified (8 points)

8 15 × 13+8 15 ×2 89 ÷[56 +(47 - 47 )- 16 ] (48×47 +48×37 )× 1.25

( 1 1 18 ×922 + 13 )÷7 12

4-column calculation (6 points)

The difference between three times a number and 25 is 60%. What's this number?