Hebei education printing plate fourth grade mathematics final examination questions one
1. Fill in the blanks: (24 points)
1 35.08 million write (), change to use? Wan? Unit is () ten thousand, omitted? Billion? The mantissa at the back is about () billion.
2. A number consists of eight tens, eight tens and eight tens. This number is written as () and pronounced as ().
At 3 o'clock and 3 o'clock, the angle between the hour hand and the minute hand is () degrees, and at 5: 30, the angle between the hour hand and the minute hand is () degrees.
4. Half of rounded corners are angles (), half of right angles are angles () and half of right angles are angles (). Obtuse angles can be divided into right angles and () angles.
5. Fill in ○? & gt& lt？ Or? =? .
69,007,98,000,000,98,000,32? 4 1○80? 16
175? 60○60? 176 840? 24○2 10? 6 542? 60○8 10? 90
6、296? ( )=248
7. The circumference of the isosceles trapezoid is 30 cm, the upper bottom and the lower bottom are 8 cm and 10 cm respectively, and each waist is () cm long.
8, a 224-meter-long wire, cut every 32 meters, * * * cut () times.
9. Pack 300 kilograms of apples in large and small boxes. The big box can hold 40 kg, and the small box can hold 15 kg. At least () big boxes and () small boxes are needed. (Every box is full)
10. There is only one barber in the barber shop, and three customers, A, B and C, come at the same time, which takes 15 minutes, 30 minutes and 10 minutes respectively. The waiting time is minimized in the order of (), and the total waiting time is ().
Second, the judgment question. (Right? , wrong number? ) (5 points)
1. Among line segments, rays and straight lines, the straight line is the longest. ( )
3. If the dividend is constant and the divisor is multiplied by 6, then the quotient is also multiplied by 6. ()
4. Two groups of quadrangles with parallel opposite sides and right angles are trapezoid. ( )
5. Player A 1 is better than player B 1, and player No.2 is also better than player No.2 of Party B, but in the competition, Party B may not lose. ( )
Third, multiple choice questions. (Fill the serial number of the correct answer in brackets) (5 points)
1, three angles of the same size just form a right angle, and each angle is ().
a、30？ b、60？ c、90？
2. Among the following statements about car speed, what you think is unreasonable is ().
A,120km/h b,1500m/min c, 200m/s.
3, the largest three digits divided by the smallest two digits ().
A, quotient 99+99 B, quotient 99+9 C, quotient 99+90.
4、 125? The product of 160 has () zeros at the end.
a、 1 B、3 C、4
5. From (), you can quickly see the quantity of various quantities.
A, statistical table b and statistical chart c, both of which are acceptable.
Fourth, the calculation problem. (25 points)
1, a number written directly. (4 points)
480? 40= 52? 4= 240? 30= 160? 3=
220? 5= 126? 6= 390? 2= 500? 12=
2. Use vertical calculation. (15)
325? 27= 702? 18= 30? 336=
357? 5 1= 264? 12= 604? 50=
3. Column calculation. (6 points)
(1) is 135 times less than 28. What is the number of 146?
(2) What is the product of the sum of 425 and 377 multiplied by their difference?
Fifth, the operation problem. ( 1 1)
Draw a rectangle with a length of 3 cm and a width of 2 cm.
Sixth, solve the problem. (30 points)
1. A train travels 384 kilometers in 3 hours. At this speed, the railway from Beijing to Chengdu is 2048 kilometers long. How many hours will it take?
Grandpa and Xiaoming are both 66 years old this year. Two years later, grandpa is nine times as old as Xiaoming. How old are Grandpa and Xiaoming this year?
In the new school year, the school bought 52 sets of single tables and chairs. How much is each table, 66 yuan, and each chair, 34 yuan, for school desks and chairs?
4. The ticket price of a wild park is as follows: adult 60 yuan/person, student 30 yuan/person, group ticket: 45 yuan/person (1person or more). If there are 6 adults and 4 students, what is the most reasonable way to buy tickets?
The orchard collected 488 baskets of apples. How many times does a pickup truck transport 28 baskets at a time? How many baskets were there in the last car?
6. Did Teacher Zhang buy a new English-Chinese dictionary for the school? Miyoshi students? He found that if he bought 30 copies, there was still 160 yuan left; If you buy 35 copies, there will be 20 yuan left. How much is each dictionary? How much money did Teacher Zhang bring?
Hebei education printing plate fourth grade mathematics final examination questions two
First,? Careful and meticulous? Fill it out. (15)
1. The total land area of the world is about 149508070 square kilometers. Billion? The approximate figure written in units is () square kilometers.
2, to earn 435? The quotient of □6 is two digits, and the maximum number in □ can be filled in ().
3. A five-digit number rounded to ten thousand digits is 80000. The maximum value of this five-digit number is () and the minimum value is ().
4. Put 200- 180=20, 12? 20=240 is rewritten as a comprehensive formula ().
5. 1 fillet = () right angle. Divide an obtuse angle into two angles. If one of them is right angle, then the other angle must be () angle.
6. Fangfang lives on the sixth floor, and there are 15 steps between every two floors. When she gets home from 1 floor, she must take () steps.
7. If 100 sheets of paper are about 1 cm thick, then () sheets of such paper are about 1 m thick and 1 100 million sheets of such paper are about () km thick.
8. Round flower bed, with a circumference of 80 meters, put a pot of orchids every 4 meters, and put a pot of Chinese rose between every two pots of orchids. * * * needs a pot of flowers.
9. When Xiao Ming calculated the division, he mistook the divisor 36 for 63 and got the quotient 12. Please help him calculate, the correct quotient should be ().
10, doing oral math problems in sequence, and doing 96 sentences in 8 minutes. At this calculation speed, he can calculate () sentences in 15 minutes. If he wants to calculate 108 sentences, it will take () minutes.
Second,? Carefully scrutinize? Give a sentence. (5 points)
1, obtuse angle greater than 90? The acute angle is less than 90? . ( )
If the rules of the game are fair, no matter how many times you operate it, you can't tell who is the winner and who is the loser. ( )
3. After approximation, a number will become smaller. ( )
4. Draw four points on the paper (any three points are not in a straight line). After drawing a straight line every two points, you can draw four straight lines. ? ( )
5. Can you draw 100 with a pair of triangular rulers? The angle of ()
Third,? Sit in the right position? Choose one. (10)
1, in the following figures, () is pronounced as? Zero? At most.
a、606060B、6060606 C、6006606 D、6606600
2. Fold a rectangular piece of paper twice to form three creases ()
A, perpendicular to each other b, parallel to each other c, possibly parallel or perpendicular.
3. When the inclined plane makes an angle of about () with the ground, the object rolls further down from the inclined plane.
a、30？ b、45？ c、60？
Xiao Ming and Xiao Hong put some balls in a cloth bag and played ball-touching games together. Everyone touches one ball at a time and puts it back after touching it. It is agreed that Xiaoming who touches the red ball will get 1 point, Xiaohong who touches the yellow ball will get 1 point, and neither of them will get points. It is fairest to use the following () symbol.
A, 1 red 3 blue 2 yellow b, 3 red 1 blue 2 yellow c, 2 red 1 blue 2 yellow.
5、25? 47? 4=47? (25? 4) is the use of ().
A, multiplicative commutative law b, multiplicative associative law c, multiplicative commutative law and associative law
Fourth,? Meticulous? Do the math. (33 points)
1, oral calculation. (8 points)
240? 60= 360-60= 560? 70= 8? 6? 8? 6=
90? 18= 6? 15= 800? 80= 3 12-55-45=
2, column vertical calculation and checking calculation. (use? ★? Inspection) (7 points)
224? 28= ★627? 33= 5 1 1? 25=
3, think about what to calculate first, and then calculate carefully. (9 points)
735? 15? 7 (704+258)? 37 98+6? 58
4. Calculate in a simple way. (9 points)
365-(83+ 165) 892+642-492 125? 34? eight
Verb (short for verb)? Hands and brains? Draw a picture. (2+2+4)
1, draw a 75 in your favorite way? Angle and 145? Angle.
Sixth,? Integrate into life? Use it. (28 points, 8+5+5+5+5)
1, a factory produces white sugar 18 days and brown sugar 13 days in February. White sugar 16 tons and brown sugar 12 tons can be produced every day. How many tons of white sugar is more than brown sugar? List the conditions first, then answer.
2. The school bought 160 pots of chrysanthemums, put them in 28 pots in the lecture hall and distributed the rest to 22 classes. How many pots can each class take on average?
3. Install street lamps on both sides of Changzheng Road, one every 20 meters. If both ends of the road need to be installed, a * * * needs to be installed with 152 lights. What is the total length of Changzheng Road?
4. Road repair, which was done four days ago 160m. At this rate, it will take eight days to complete the road. What is the total length of this road?
Seven,? Thinking expansion? Think about it. (Add 10 points for doing right)
The fixed telephone charges 20 cents for the first three minutes, and then 1 cent per minute. There is a mobile phone package, which costs 60 cents per minute for the first 2 minutes, and then 1 cent per minute. My father uses a landline and my uncle uses a mobile phone. Have used 2 yuan money once. How long did they call?
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