59×15 ÷ 59×15 =18 ÷ =11×18.
③ ( 79 +42 1 -37 )×6.3 ④ 15÷〔( 57 - 12 )÷328 〕-0.5
3. Find the unknown X. (2 points for each question, ***6 points) 0.4x-0.4x10.8 = 2013x+34x =1348 56: x = 34: 25.
4. Draw a rectangle, triangle, parallelogram and trapezoid with equal area. (4 points)
5. As shown on the right, it is a right-angled trapezoid with a height of 5cm and a bottom of 14cm. What is the area of the shaded part? (3 points)
Fifth, solve the problem. (27 points) 1, only the comprehensive formula is listed, and there is no need to answer. (2 points for each small question, 6 points for * * *) ① One day, Uncle Li worked 4 hours in the morning and 3 hours in the afternoon, and * * * processed 1400 parts. If Uncle Li produces the same number of parts per hour, how many parts does Uncle Li produce in one morning?
Changjiang Machine Tool Works produced 650 machine tools in May, an increase of 150 compared with April. What percentage did the output increase in May?
③ On the part design drawing with the scale of 5: 1, the measured part length is 6 cm. What is the actual length of this part?
On Xiaoxing's birthday, her mother bought Xiaoxing a suit and a pair of sports shoes with 540 yuan. It is known that the price of a suit is 0.7 times that of 65438+ a pair of sports shoes. What's the price of a suit and a pair of sneakers? (Solving problems by equation method) (5 points)
3. Li Shifu plans to process 2620 parts. It has been processed for 5 days and 260 parts are processed every day. The rest will be finished in 4 days. How many parts are processed on average every day? (Solve by arithmetic and equation) (5 points)
4. A conical wheat pile, the circumference of its bottom is12.56m, the height is1.5m, and the weight of wheat per cubic meter is 735kg.. How much does this pile of wheat weigh? (Keep the whole kilogram)
Miss Li bought a batch of notebooks with 240 yuan money. In Shop A, I saw a notebook with a price tag of 8 yuan. Teacher Li was very satisfied and asked the clerk how to buy it. The clerk said, "buy ten copies and get one free." When I arrived at the second store and saw the same notebook, the salesperson said, "You can get a 10% discount for each 8 yuan, starting from ten." . According to the above information, please calculate. Teacher Li went to that store to buy math simulation questions for the sixth grade. 1. Fill in the blanks. On the 1. number axis, all () numbers are on the right side of 0, that is, () numbers are greater than 0 and () numbers are less than 0. 2. As shown in the figure, the area of a rectangle and a circle is equal, and the circumference of the circle is 25. 12cm, so the area of the shaded part is () 2. There is a student in Class 3.6 (1). There is classmate B absent from morning exercises today, and the attendance rate is (). If a=40 and the attendance rate is 95%, then B is (). 4. You can use the four numbers of 5, 6, 7 and 8 to write () different four digits. 5. Of the nine numbers1to 9, () and () are two adjacent numbers that are prime numbers, and () and () are two adjacent numbers that are composite numbers. 6. Prepare a kind of brine, the weight ratio of salt to water is 1: 2, and the salt is the weight of brine (). 7. Make two squares with a side length of 5 cm into a rectangle. The circumference of this rectangle is () square centimeters and the area is () square centimeters. 8. The area of an isosceles right triangle is 8dm2. Eight such triangles are used to form 1 square. Its area is () and its circumference is (). 9. In A ÷ B = 5 ... 3, A and B are expanded three times at the same time, the quotient is (), and the remainder is (). 10. Cut a cuboid with a length of 40cm into a cuboid with a length of 20cm, and the surface area is increased by 10cm2, and the original cuboid volume is () cm3. 1 1, the number a is the number b and the number b is the number c, so the ratio of a, b and c is (): (): () 12, and 35 people from a certain company attended the meeting, and the attendance rate was exactly 87.5%. Later 1 person asked for leave. At this time, 13. The surface area of a cube is 54 square centimeters. Divided into two cuboids on average, each cuboid has a surface area of () square centimeters. 14 As shown on the right, the area of the shaded part in the right triangle is () square centimeters. 15, as shown on the right, is an iron sheet with a width of 2m and 4m. Cut four squares with a side length of 0.4m from the four corners, and then weld them into a box. The volume of this box is () cubic meters. 16, clearly a box of chocolate candy, there are four left in a group of seven, three left in a group of five and three left in a group of three. This box of chocolates has at least (). 17. If yes, the minimum values of A and B are a = () and b = () respectively. 18, there are 1000 students who can dance or sing in the school, of whom 750 can sing and 200 can both sing and dance, so the one who can dance is (). Second, judge 1, the number of turns of the hour hand is proportional to the elapsed time. () 2. Every goal scored is marked as+1, and every goal lost is marked as-1. Then, if you win 2 goals and lose 3 goals, it will be marked as -5. () 3. The sum of five consecutive days on the calendar must be a multiple of five. () 4. Two even numbers must not be prime numbers. () 5. The equation is an equation, but the equation is not necessarily an equation. () 6. 1.3 divided by 0.3 is 4, and the remainder is 1. () 7. The radius and circumference of a circle are out of proportion. () 8. Add a percentage sign after 3 and the number will be reduced by 100 times. () Third, choose. 1. When the wheel rolls once, the distance traveled is () A. Diameter B. Perimeter C. Area 2. When calculating the volume and volume of rectangular wooden cases, () is the same. A. calculation formula B. meaning C. measurement method 1, a=2×2×3×3, then a has () factors. A.2b.4c.5d.93 If A is a prime number and B is a composite number, then it must be a composite number (). A.a+(b+2) B. (a+2) × b.c. (a+2) ÷ b.d. (a-2) ÷ b.4 The length, width and height of a cuboid are A, B and H respectively. If the height increases by x, the volume of the new box will increase (). A.abx B.xbhx C.ab(b+x)5。 A team starts at the head of the team, counts from 1 to 6, and the last person counts as 3, so the number of people in this team must be () A.2, multiple B.3 and multiple D.5. I'm not sure what multiple 6 is, as shown in figure 1. The shortest distance from Xiaohong's home to the expressway is () a.4km b.2.4km c.3km d.3.8km7 There are () faces exposed in the picture on the right. 18, 15, 16, 17
Fourth, calculation. 1, parting calculation (simple and convenient). 0.233-(0. 133- )+ 4.62+9.9+5.38+0. 1 4×0.6+0.6÷
0.38×7- +4× 36×( - )+ 15 ( + )×23× 19
2. Find the unknown number X. = x ÷ 40%+40 = 90 6× 3-1.8x = 7.2x+60% x = 28 3. Formula calculation. 1, 0.4 less than 20% of a certain number is 7.2. What's this number? What is the quotient of the difference between 2.0.9 and 0.2 plus 1 divided by 1.25? The ratio of the sum is equal to the ratio of x to 6. 4. The ratio of the minimum composite number to the maximum single digit is equal to the ratio of 13 to x.
5. Operation 1. Measure the main data of a grassland (as shown below) and mark it on the map. If the scale of this graph is 1: 1000, calculate the actual area of this meadow. 2. Answer the questions according to the information in the picture. (1) Use number pairs to indicate the positions of the following places. Jia Xiaoming (), Xiaocongjia (), Book Building (), Forest Park (). (2) Xiaoming is going to the book building to buy books. This building is in the direction of Xiaoming's house. (3) On Sunday morning, Xiao Cong went to Xiao Ming's house to find Xiao Ming. They went shopping in the shopping center in the southeast of Xiaoming's home. They went to the () shopping center and took the () bus. After shopping, they took the bus and went to the scenic spot in the north of the shopping mall to play together. The scenic spot they went to was (). (4) If the side length of each small square on the grid paper represents 1 km, Xiaoming's home is in the direction of the school (). About () kilometers from the school; Xiao Cong's home is in the direction of the school (), about () kilometers away from the school. 3. The circumference of the circle below is 25. 12cm, and the triangle in the circle is an isosceles right triangle. Find the area of the shaded part. Sixth, solve the problem. 1, the first time a barrel of oil was poured out, the second time it was poured out, and there were still kilograms left. How many kilograms is this barrel of oil? (Equation solving)
2. The school organized 96 students to rehearse gymnastics, among which the number of boys accounted for the total number, and later several boys were added. At this time, when the number of boys reached the number of girls, how many more boys were added? 3. Put some fruit candy in four plates, 20% in plate A and plate B, the fruit candy in plate C is the total of fruit candy in plate A and plate B, and the fruit candy in plate D is 10. How many fruit candy are there?
4. Da Rui Hotel offers the following two kinds of preferential housing schemes: Scheme 1: a group of more than 5 people, each person 100 yuan. Option 2: adult 120 yuan, child 80 yuan. There are three adults and five children. Which scheme should I choose to save money?
5. The original deposits of Party A, Party B and Party C are 3460 yuan. If Party A takes out 380 yuan, Party B deposits it in 720 yuan, and Party C deposits it in its original deposit, with the deposit ratio of 5: 3: 2. What are the deposits of A, B and C now?
6. To buy a set of180m2 commercial housing, the down payment is the second payment, and the second payment is the third payment. It is known that the third payment is 60 thousand yuan more than the first payment. How much does it cost to buy this house?
7. The original price of a washing machine 1350 yuan is now reduced by 20%. The selling price is greater than the cost at this time. What is the cost price of this washing machine? 8. A cylindrical iron drum without a cover, the diameter and height of the bottom surface are 4dm. How many square decimetres of iron sheet does it take to make such a barrel? What is the volume of this bucket?
Wen, why? (6 points)
The sixth grade mathematics simulation test paper 1. Fill in the blank (2 1) 1.7205635 million (), accurate to 100 million, about () billion. 2. Turn 5:2/3 into the simplest integer. The ratio is () and the ratio is (). 3.( )÷ 15=4/5= 1.2:( )=( )%=( )。 4.2.6 tons = () tons () kilograms 3050 meters = () kilometers () meters 5. The unit of the score is112. The maximum true score is (), and the minimum false score is (). 6. Put 0.25, 125%, 2. 7. Switch the five digital cards 1, 2, 3, 4 and 5 on the desktop. Touch any one, the possibility of touching 5 is (), and the possibility of touching even number is (). 8. On the map with the scale of 1: 50000, the distance between two points is 12 cm, and the actual distance between these two points is () km. 9. Put four square wooden blocks with a side length of 4 decimeters into a cuboid with the smallest surface area. The surface area of this cuboid is () square decimeter and the volume is () cubic decimeter. 10. The local telephone charges in a certain city are as follows: (1) The local telephone charges are RMB () and RMB () for 2 minutes and 5 minutes respectively. (2) Pay for local calls 1.2 yuan, and the longest call is () minutes. The call time is less than 3 minutes (including 3 minutes) and 0.20 yuan, and each additional 10 minute is 0. 10 yuan (less than one minute is also counted as 10 minute).
True or false (mark "√" for the right and "×" for the wrong) (5 points) 1. Grade six students planted 9 1 plant in spring, among which 9 plants died, and the survival rate was 9 1%. () 2. Buy the same number of apples and pears, 7 yuan buys apples and 5 yuan buys pears, so the unit price ratio of apples and pears is 7:5. .................. () 3. The reciprocal of the real score is less than 1. ............................ () 4. If the radius of a circle is doubled, its area will be quadrupled. ................. () 5. If a>0, A must be greater than1/a. A、5+x=7.5 B、5+x & gt; 7.5 C,5+x d,5+2.5 = 7.5 2。 In the following figures, () has the most symmetry axes. A, square b, equilateral triangle c, isosceles trapezoid d, circle 3. A, b and c are natural numbers, and A× 1.4 = B× 2/5 = C ÷ 5/6, then the smallest number among a, b and c is (). A, a B, b C, c D, there is no comparison. 4. The picture below shows the bracket nailed with wooden strips, of which () is the least easily deformed. A, B, C, D and V. The following is the degree of triangle, and the angle drawn by two triangles cannot be (). a、 15? b、 105? c、 160? d、75? Fourth, the calculation problem (33 points) X kb 1.co m 1, Directly written number: (9 points)1.25-3/4 =1.8× 0.05 = 6/17 ÷ 6 = 3.21÷100. 12× 9.6-3.812× (1/4+1/3) 3. Solve the equation: (6 points) 2: 2.5 = x: 54.5x-65438. (2) The number A is 18, 3/5 of the number B is 18, and what percentage of the number A is the number B? V. Find the area of the shaded part in the drawing (unit: cm) (4 points)
6. Comprehensive application. (***32 points) 1. Only formulas don't count. (8 points) (1) There are 75 staff members in an institution after downsizing, which is 45 less than the original. What proportion? (2) 220 tons of coal, 1/5 of the total transportation on the first day and 1/4 of the total transportation on the second day. At this time, how much is left? (3) The factory had to process 195 pieces, which took 5 days, with an average of 24 pieces per day. The rest will take three days to finish. How many pieces will be processed on average every day? (4) The engineering team has repaired 3/8 of a road, leaving 1 1,000m. How long will this road be built? 2. A factory produces a batch of cement, which was originally planned to produce 150 tons per day, and the task can be completed on time. The actual daily output is 180 tons, and the task is completed in only 25 days. How many days does it take to complete the original planned production task? (Proportional solution) 3. Teacher Chen from the General Affairs Office of the school went to the supermarket to buy pens, and eight pens had to be handed in 120 yuan. If he buys 22 more pens, will 500 yuan be enough? A truck and a bus set off from two places 504 kilometers apart at the same time and met after 4.5 hours. The bus travels 64 kilometers per hour, and how many kilometers does the truck travel per hour? 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 school assigned 280 trees to each class according to the number of three classes in grade six. There are 47 students in Class One, 45 students in Class Two and 48 students in Class Three. How many trees should be planted in each of the three classes? 7. Answer the questions. (4 points) (1) Xiao Ming ran the whole course in () minutes. (2) After Xiaoming reached the finish line, Xiao Min ran for another () minutes to reach the finish line. (3) Xiao Ming's average speed is (). (4) After the start of the competition (), the distance between them is 100 meter.
Sixth grade mathematics simulation test paper
I. Oral calculation: 8 points
0. 125× 16= 3- 1.06= 0.6÷6= 16.8-7=
1.0 1×0.2×0. 1= 1 1- 1 23 = 1 34 + 1 34 = 9 78 -9.875=
3. 14×8= 15 - 16 = 2 15 - 145 = 2 18 ÷4 18 =
1.625÷ 1 58 = 723 -0= 0. 1+0.2×0.3= 16 + 16 ÷ 16 + 16 =
Two. Fill in the blanks: 16.
1. 1 260.9 million write _ _ _ _, rounded to several hundred million is about _ _ _ _.
2.6 cubic decimeter 7 cubic centimeter = cubic centimeter 2 hours 15 minutes = hour
3. Turn 2 18: 1 23 into the simplest integer. The ratio is _ _ _ _, and the ratio is _ _.
The greatest common divisor of 4.52 and 130 is _ _, and the least common multiple of 24, 28 and 42 is _ _.
5. A map with 10 cm representing the actual distance of 30km. The scale of this map is _ _.
Of the five numbers of 6.58, 6.25%, 65%, 0.625 and 0.62, the largest number is _ _ _, and the smallest number is _ _ _ _.
7.278 has a 18 and 0.87 has a 0.0 1.
8. A cone with a circumference of 12.56 cm at the bottom, a height of 2.4 cm and a volume of cubic cm.
9. Divider is 57, the difference between dividend and quotient is 14, and dividend is.
10. If the height of a cuboid increases by 2 cm, it will become a cube, and its surface area will increase by 56 cm. It turns out that the volume of this cuboid is _ _ _ _ _.
Third, judge 4 points
1.x = 0.8 is the solution of the equation 3x- 1.6 = 0.8. ( )
2. Time is fixed, and distance is directly proportional to speed. ( )
3. Of the 9 1 pieces produced, 9 pieces are unqualified, and the qualified rate is 9 1%. ( )
4. Natural numbers are either prime numbers or composite numbers. ( )
The first network of new curriculum standards
Four, choose (fill in the serial number) 2 points.
1. Add 20g of salt to 1 kg of water. At this time, salt accounts for () of brine.
a、 150 B、 15 1 C、505 1 D、 120
2. The ratio of the perimeter of the bottom surface of the cylinder and the cone is 2∶3, and their volume ratio is 2 ∶ 3.
5: 6, the simplest integer ratio of cylinder to cone height is ()
a、5∶8 B、8∶5 C、 15∶8 D、8∶ 15
Fifth, the graphic problem. (6 points)
① As shown in the figure, the upper bottom of the trapezoid is 5cm and the lower bottom is 8cm. The triangle is 4 cm high. Divide the triangle into two parts A and B with equal area, and find the area of the shadow part.
② The area of the trapezoid in the figure below is 450cm2, and find the area of the shaded part. (Unit: cm)
Six, from the type calculation 18 points
14 3 17 -6.46-3.54 4.2÷ 1.5- 1.5×0.6
(4 56 -3 34 )÷(3 14 +27 ) 5 1.6÷[(3 25 - 1.25)×45 ]
(0.92+225 )÷(4-2 79 ) (5 25 - 1.8)÷[( 1. 15+ 1320 )× 1 23 ]
Seven, column calculation 6 points.
1. 25 of a number is 60. What is 20% of this figure?
2.8 is 0.4 more than 25% of x, so find x.
Eight, only calculate the column type (2× 5 = 10).
1. An engineering team invested 200,000 yuan to complete a project, saving 50,000 yuan compared with the scheme. What percentage was saved?
2. A production team processed 200 parts, of which 15 was unqualified. Find the qualified rate.
3. Teacher Li wrote three popular science stories and got a manuscript fee of 3,400 yuan. Personal income tax shall be paid at 14% for the part exceeding 800 yuan. How much did Teacher Li get after paying taxes? 4. From place A to place B, it takes 6 days for A to arrive and 8 days for B. It is known that A walks 80 kilometers more than B every day to find the distance between the two places. First, fill in the blanks. (1 minute per grid, ***20 points)
L, a number with hundreds of millions of digits is 5, 10000, the highest digit of each digit is also 5, and the rest digits are 0. This number is written as (), and the mantissa after omitting ten thousand digits is ().
The decimal unit of 2.0.375 is (), and it has () such units.
3, 6.596596 ... is a cyclic decimal (), which is simply called (), and two decimal places are reserved.
4. You can fill in,