Beijing normal university printing plate fourth grade mathematics volume one final examination paper:
1. Fill in the blanks (***30 points, each grid 1 point, small questions1point)
1, write the following figures as required.
(1) 10 Ten thousand is (); 10 () is 100 million.
(2) The smallest eight digits is (); The largest seven digits is (), and there is a difference between them ().
(3) Hundreds of millions of a number are 1, millions are 7, hundreds are 5, and the rest are 0. This number is ().
(4)570000600, of which? 5? At the position of (), it means that the mantissa after omitting this number 1 billion is about () billion.
2. Look at a 60 with a 20-fold magnifying glass. Angle, the degree of angle is () degrees.
3、 125? 8= (), when the factor 8 is enlarged by 2 times, the product is (); When the factor 125 and 8 are simultaneously expanded by 10 times, the product is ().
4. Divide the flat angle into three angles, one is obtuse, the other is acute, and the other must be ().
5, 9 hectares = () square meters 700 hectares = () square kilometers.
5 square kilometers = () hectares = () square meters
6. The properties of parallelogram () are applied to the automatic telescopic door at the entrance of a unit.
7. In a set of opposite sides of a parallelogram, you can draw () bars with the same length.
8、a？ =2034, the smallest space can be filled with (), and the dividend is ().
9、a？ B =95。 If both A and B are multiplied by 100, then the quotient is () and the remainder is ().
10, 600606, 660600, 600066, 666000 and 606060, in descending order, are: (2 points)
1 1. Fold a square piece of paper diagonally and then fold it in half. After opening, two creases appear (as shown on the right).
① Is the relationship between two creases perpendicular to each other? ( )
②? 1=( )?
③? 2 and? The angle of 3 is () angle.
Two choices. (*** 10 point)
(1) Hundreds, tens of thousands, tens of millions and billions are all ().
A. number B. number C. counting unit D. order of magnitude
(2) 1250? There are () zeros at the end of the product of 80 * *.
A.5 B.4 C.3 D.2
(3) The product of two digits multiplied by three digits is ().
A. Three digits B. Four digits C. Four digits or five digits D. Five digits
(4) Two perpendicular straight lines can intersect into four ()
A. acute angle B. right angle C. obtuse angle D. flat angle
(5) The following figure (unit: cm): An isosceles trapezoid is divided into a parallelogram and a triangle, and the perimeter of the parallelogram is () cm.
18
C. 15 D.24
Third, calculation. (***28 points)
1, directly write the calculation results of the following questions. (***6 points)
18? 50= 6 1? 30= 202? 52?
75? 5= 250? 50= 420? 6 1?
2 according to 25? 2 1=525, write the result of the following formula directly. (***4 points)
25? 2 10=( ) ( )? ( )=52500
Calculate the following problems vertically in three columns. (*** 18)
①376? 37= ②704? 3 1= ③ 208? 50=
④ 408? 12= (5)52800? 16= (6) 108 1? 47=
Fourth, the actual operation. (***6 points)
1. Draw a straight line through point A, and then find a point B on this straight line so that the length of line segment AB is 2 cm. (2 points)
2. Draw a parallelogram and a trapezoid in the grid diagram below, and draw their respective heights. (4 points)
Fifth, solve the problem. (***26 points)
1. A cow can produce 145 kg of milk in a week. According to this calculation, how many Jin can his family milk in a week? (5 points)
2. Charging regulations of a parking lot: the car charges 3 yuan for the first hour and 4 yuan for the second hour. How much should the administrator charge for parking for six hours? (5 points)
3. Fill in the blanks according to the statistical results. (5 points)
In this statistical chart, each cell represents () cars, and the output is at least () months, and the output is at most () months, which is the most different from the minimum monthly output by () cars. () cars were produced in the second half of the year.
4. The movie Kung Fu Panda is shown in the small screening hall of the cinema, and the ticket price is 25 yuan. There are 9 empty seats in the small screening hall, and the ticket price for this performance is 775 yuan. How many seats are there in the small screening hall of the cinema? (5 points)
5. Put 280 kilograms of sesame oil in several identical oil drums. How many oil drums do you need at least if each oil drum can hold 50 kilograms? (6 points)