Name, class number score

Fill in the blanks. (18)

1, the largest number in billions, the smallest composite number in tens of millions, the smallest prime number in thousands, and the rest are 0. This number is (), rounded to hundreds of millions, and recorded as () billion.

2.6: The ratio of1.8 to the simplest integer is (), and the ratio is ().

3, 3 hours = () minutes 8.06 cubic meters = () liters.

4. A pile of 6 tons of chemical fertilizer is distributed to three production teams of A, B and Inner Mongolia according to the ratio of 1:3:4. Team A gets (-) tons of fertilizer, and team B gets (-) tons.

The distance between Party A and Party B is 35km, and the length drawn on the map is 7cm. The scale of this map is ().

The least common multiple of 6, 24 and 54 is (), and the greatest common divisor is ().

7. The sixth grade students carried out tree planting activities, 80 trees survived and 5 trees did not survive. The survival rate is the highest ().

8. The length of the rope is equal to its own length plus meters. This rope is () meters long.

9. The sum of the sides of a cube is 48 cm, its surface area is () square cm, and its volume is () cubic cm.

10, a job, Party A can complete it in two days alone. According to this calculation, the remaining work will take () days to complete.

1 1. If the height of the cylinder is shortened by 3cm, the surface area will be reduced by 94.2cm2. Its bottom radius is () cm, and its volume will be reduced by () cm3.

Second, judge. (Mark "√" for the right and "×" for the wrong) (4 points)

1, a symmetric graph with two parallelograms. ( )

2. If x × = y×, then x: y =:. ( )

3.A number can be divisible by B number, and B number must be the greatest common divisor of A number and B number. ( )

4. The working hours are fixed, and the time for manufacturing each part is directly proportional to the number of parts. ( )

Third, choose. (Fill in the serial number of the correct answer in brackets) (3 points)

1 and 3.496 keep two decimal places, which is about ().

①3.49 ②4.00 ③3.50

2. Typing a manuscript takes 5 minutes for Party A and 8 minutes for Party B. The simplest ratio of work efficiency between Party A and Party B is (). ①5:8 ②8:5 ③ 1/3 : 1/8

3. Among the following fractions, the one that cannot be converted into a finite fraction is ().

① ② ③ ④

Fourth, calculation. (10+9+ 15+6 = 40 points)

1, a number written directly.

5.4+8= 9÷ 3 × 18=

2. Solve the equation.

① 12-4x = 2②38:x = 4.75: 1③ 1/3 x+5/6 x = 1.4

3. Calculate with recursive equation.

①308× 16- 14874÷37 ②( 10/3 +3/4 -2 1/8 )× 1

③3.5÷5/8 ×5/ 15 ④0.8×2.7+7.3÷ 15/4

⑤9.8÷[28×( 1- 1/7 )+27/5 ]

4. Column calculation.

(1) A number plus 2.8 equals 12.8. Find this number.

② What is the sum of12% plus 1.25 divided by 80?

5. The following are the numbers of boys and girls in the sixth grade of Hongqi Primary School. (3+ 1+ 1=5)

Number of boys and girls in the sixth grade of Hongqi Primary School (1)? People.

Hongqi Primary School Grade 6 (2) 18 Male and 25 Female.

Sixth grade of Hongqi Primary School (3) There are 24 boys and 25 girls.

1. It is known that there are 49 people in Class 6 (1). Please complete the statistics and charts.

2. The total number of boys is less than that of girls ()%.

There are three classes in grade six, with an average of () students in each class.

Sixth, the application problem. (5×6=30)

1, a truck and a bus leave from two places 504 kilometers apart at the same time and meet after 4.5 hours. The bus travels 64 kilometers per hour, and how many kilometers does the truck travel per hour?

A washing machine factory plans to produce 504 washing machines in May. In fact, it was completed 5/9 in the first half of the year and 2/3 in the second half. How many washing machines did it actually produce this month?

3. Party A completes a project in 8 days, and Party B 12 days ... Now after three days, Party A will do the rest alone. How many days will it take to complete?

There are 40 more peach trees than apricot trees in the orchard, and the number of apricot trees is 80% of peach trees. How many peach trees are there?

5. Conical sand pile with a bottom area of 3.6 square meters and a height of 1.2 meters. How high can you put this pile of sand in a bunker 2 meters long 1.5 meters wide?

6. The ratio of male to female students who participated in the math contest in a school was 6:5, and then five girls were added. At this time, the number of girls is 8/9 of the number of boys. How many girls took part in the math contest?

Primary school mathematics graduation simulation test paper 6

A, true or false (1-3 1 each question, 4-5 each question 2 points, *** 7 points)

1. The circumference of the first circle must be equal to the circumference of the second circle. ()

2. Both prime numbers must be prime numbers. ()

3. The volume of a cone is equal to one third of the volume of a cylinder with the same height as its bottom surface. ()

4.

A and a must be equal to the product of b and C.

B and c must be divisors of a ()

C and a must be the least common multiple of b and C. ()

D, the prime factor of decomposing a must be a = b× C. ()

5. When checking the inverse proportion application problem, as long as the number is substituted into the listed equation and the two sides of the equation are equal, it means that the solution of this problem is correct. ()

Two. Fill in the blanks (1-5 is 1, 6-8 is 2, *** 1 1).

1. The formula of two ratios () is called ratio.

2. The greatest common divisor of two numbers must be the product of the prime factors of () of these two numbers.

3.

4.4 km 60 m = () km

5. The law of multiplication and association represented by letters A, B and C should be written as ().

6.

7. After cutting a cuboid with a length of 6 cm, a width of 5 cm and a height of 4 cm into two cuboids, the maximum sum of the surface areas of the two cuboids is ().

8. When the numerator of the simplest fraction is enlarged by 5 times and the denominator is reduced by 4 times, the numerator is the smallest prime number and the denominator is the largest composite number less than 10. It turns out that the simplest score is ().

Three, multiple choice questions (2 points)

A is a number. B is the division of 4 and 5.

C is a ratio. D stands for the relationship between 4 and 5.

Four, oral math problems (5 points)

V. Simple calculation (3 points for each small question *** 6 points)

1.

2.0. 19+7.6+0.8 1+2.4

Six, calculation problems (4 points *** 24 points for each small question)

1.

2.

3.4920÷24? 17× 12

4.

5.

6.

Seven, the text narrative topic (4 points *** 8 points for each small question)

1. 100 What's the difference between the quotient of 28.8 minus 4?

2.

Eight, the application problem (1-3 each 4 points, 4-8 each 5 points, *** 37 points)

1. Machine tool factory produced 2400 machine tools last year, a decrease of 20% compared with last year. How many machine tools did it produce the year before last?

2. Harvest Primary School should plant 126 trees, and press 1? 3? 2 How many trees are distributed in the fourth, fifth and sixth grades, and how many are planted in the fifth grade?

3. Fruit shop delivered 14 baskets of pears, 35kg each, 16 baskets of apples, 30kg each. How many kilograms more pears are shipped than apples?

4. Pool A has 1 12 cubic meters of water, and Pool B has 120 cubic meters of water. 9 cubic meters of water flows from pool A to pool B every hour. After a few hours, the water in pool B is three times that of pool A. ..

Master Wang produced a batch of parts with the same machine tool. 1400 parts were produced in the first four days, and the remaining tasks were completed in two days. How many parts are there in this batch? (Answer in proportion)

6. There are two experimental fields, the first one is 3.5 hectares, with an average yield of 7200 kilograms of wheat per hectare; Plot No.2 covers an area of 1.5 hectares and produces * * * wheat 1 1.250 kg. How many kilograms of wheat do these two plots produce on average per hectare?

7. The overpass site used 72.5 tons of cement in the morning, and the weight of cement brought in in the afternoon was just equal to the weight of cement left in the morning. At this time, there is 174.2 tons of cement on site. What's the percentage of raw cement delivered this afternoon? (The percentage numerator retains one decimal place)

8. The distance between the two cities is 380 kilometers. A bus and a truck left two cities at the same time and met four hours later. It is known that the speed ratio between passenger cars and trucks is 1 1? 8. How many kilometers does the bus travel per hour more than the truck?

Sixth Grade Mathematics Graduation Simulation Test Paper (4)

Fill in the blanks. (2 1%)

1. Use three "5" s and two "0" s to form a five-digit number according to the following requirements:

(1) only reads a zero (); (2) I can't read a zero.

2.4km 60m = () km1.25h = () min.

There are () divisors of 3.36 * *. Choose four of them to make the ratio of two ratios equal to, that is

The proportional formula is ().

4. The mantissa of a number with "10000" omitted is 80000, which is between () and ().

5. The simplest true score, the product of numerator and denominator is 24, and this true score is () or ().

6. Plant a tree seedling, the survival rate is 94%. In order to ensure the survival of 470 saplings, at least () saplings should be planted.

7. If you use a one-meter-long rope, there are () meters left; If you use it,

There are () meters left.

8. If you draw a square lawn map with a side length of 4 cm on the map with the scale of 1: 5000, the actual area of this lawn map is () square meters.

9. The concentration of the prepared liquid medicine is certain, and the dosage of water and medicine is directly proportional to (); Measure a distance in steps, and the average length of each step is proportional to the number of steps.

10. As shown in the left figure, the cylinder with the bottom circumference of 18.84cm and the height of 10cm is cut into several equal parts to form an approximate cuboid. The bottom area of this cuboid is () square centimeter, the surface area is () square centimeter and the volume is () cubic centimeter.

1 1. The inner diameter of the tap water pipe is 2 cm, and the flow rate of water in the pipe is 8 cm per second. A classmate went to wash his hands and forgot to turn off the tap when he left, wasting () water for 5 minutes.

12. The sum of all sides of a cuboid is 1.8m, and the aspect ratio is 6: 5: 4. Cut this cuboid into two small cuboids, and the surface area can be increased by () square meters at most.

Second, choose. (5%)

1. Divide the 45-meter-long rope into four parts on average, each part accounting for () of the whole length.

a、 15 B、 14 C、 15m d、 14m。

2. Tie a gift box with a ribbon, as shown below. This knot is 25 centimeters long. It is more reasonable to prepare () decimeter ribbons to bind this gift box.

A, 10 decimeter b, 2 1.5 decimeter c, 23 decimeter d, 30 decimeter.

As shown in the picture, there is a square piece of paper without a cover.

Box, marked with the letter "m" at the bottom, along Figure A B.

Cut it into a flat figure with thick lines.

I think it will (). C

There are 48 students in Class 4.6 (1) * *, and a learning goal will be chosen at the end of the term.

Soldiers, the election results are shown on the right, and the following figure () can show the results.

A B C D

5. Estimate the calculation results of the following four formulas, and the biggest one is ().

a . 888×( 1+)b . 888×( 1-)c . 888 \u( 1+)d . 888 \u( 1-)

Third, calculation. (27%)

1. Write the result directly. (6%)

23 - 12 = 4.5× 102= 59 ×6= 270÷ 18= 5-0.25+0.75=

0.42-0.32= 2÷ 15 = 34 1- 103= 13×(2+7 13 )= ( ): 17 = 17

10× 10%= 23.9÷8≈ 7× ÷7× = 1÷ × =

2. How to calculate simply? (9%)

78 ÷5+78 ÷2 1.05×(3.8-0.8)÷6.3 920 ÷[ 12 ×(25 +45 )]

3. Solve the equation (or proportion). (6%)

14x-0.75 = 12÷ 1.27 . 5 = 0.4x

4. Column calculation. (6%)

(1) A number is 60 more than it. Find this number. (2) What is the quotient of18 divided by 12?

Fourth, practice. (5%)

1. The picture on the right is a rectangle 3 cm long and 2 cm wide.

(1) Draw a line segment in the rectangle and divide it in two.

The largest isosceles right triangle and trapezoid.

(2) Find the area of this trapezoid.

(3) Rotate the triangle at high speed with the straight line where one right angle side of the isosceles right triangle is located as the axis to form the shape of (). Calculate the volume of this figure after rotation.

5. Statistical problems in life. (6%)

The following table is the statistics of the class size of the sixth grade in xinhua primary school. Please draw a histogram according to the data in the table.

Class 6 (1) Class 6 (2) Class 6 (3)

Boys 23 22 24

Girls 22 25 26

Draw a statistical chart according to the data and answer the questions.

Class (1) has the largest number of students, and * * * has () students.

(2) Category 6 (1) is equivalent to ()% of Category 6 (3).

(3) There are about () people in each class in the whole grade.

Sixth, solve the problem. (36%)

1. Only the formula (or equation) does not count.

2. The construction team planned to dig 800 meters of canal in 20 days, and actually completed the task in 16 days. What percentage of the actual work efficiency of the construction team has been improved compared with the plan?

3. An express train and a local train travel in the opposite direction from Nanjing and Yangzhou at the same time, and the passing time is 3 hours.

/kloc-meet at 0/000 meters. It is known that the average speed of the express train is 75 kilometers per hour, and how many kilometers is the average speed of the local train?

The above is a savings deposit certificate of Uncle Zhang. If he has to pay 20% interest tax at maturity, how much interest can he actually get when his deposit expires?

The volume of cylindrical glass is 65,438+0,000 cubic centimeters. Now the ratio of water height to water height is 1: 1. After putting into the cone (the cone is completely immersed in water), the ratio of water height to water height is 3: 2. What is the volume of this cone?

6. The number of days and daily wages for the three construction teams A, B and C to complete a project are as follows:

Total daily wages spent by the construction team to complete the project alone (ten thousand yuan)

One piece 10 18

B 15 12

C 20 8

Please choose two engineering teams to cooperate on this project. If the construction period is tight and you want to finish it as soon as possible, which two teams should you choose to work together? How many days can it be finished? How much will each team get after completion?