Hebei Education Press Mathematics Grade Four Volume Final Simulation Volume;
First, think about it carefully. I'll fill it out. (Per grid 1 minute, ***24 points)
1, 2,745,030,000 is written as (), and the mantissa after omitting 100 million is about () million.
2. Fill in ○? & lt、gt； Or =? .
49999 ○ 5000-2002 ○ 60000 ○ 12℃ ○-8℃
3, two straight lines intersect at right angles, these two straight lines ().
4. According to 16? 12= 192, write directly 16? 24=( ), 160? 12=( )。
5. □36 in the formula? 48. If the quotient is two digits, □ minimum filling () and maximum filling ().
6、202? 3 1? ( ); 498? 22? ( )。
7. The school organized an autumn outing for 660 students, and each tourist bus was limited to 48 people. At least () such buses need to be arranged.
8. At three o'clock in the morning, the angle formed by the minute hand and the hour hand is () degrees, which is () angle; At six o'clock in the evening, the angle formed by the minute hand and the hour hand is () degrees, which is () angle.
9. Naughty sitting in the fifth row of Group 8 in the classroom, the position is (8, 5). Then Xiaoxiao sits in the sixth row of group 3, and her position can be expressed as (,).
10. Record the sea level as 0, 80 meters below the sea level as () meters, and 50 meters above the sea level as () meters.
1 1、4 10? 52, you can think of 52 as () trial quotient, and then quotient () (fill in? Big? Or? Small? )。
12. There are 6 red balls in the box, 10 white balls and 2 black balls. If you touch any one, you are most likely to touch the ball ().
Second, the eyes are golden. (Right? , wrong number? , 65438+ 0 points for each small question, ***5 points)
() 1, positive number is greater than 0, negative number is less than 0.
( )2、2□5280000? 200 million, you can fill in five at most.
() 3. The size of the angle has nothing to do with the length of both sides of the angle.
() 4. There are three lines on the right.
( )5、( 100+2)? 28= 100? 28+2。
Third, after careful consideration, I will choose. (2 points for each small question, *** 10)
1, slightly beyond the straight line, you can draw () a straight line parallel to the known straight line.
A, countless b, 4 C, 1 D, 0
2. In division, if the divisor is multiplied by 5 to make the quotient unchanged, the dividend should be ().
A, multiplied by 10 B, multiplied by 5 C, divided by 5 D, unchanged.
3. In the following figures, the one that doesn't read 0 is ().
a、26087005000 B、302043007000 C、93004 1000300 D、809200325
4. In the division formula, the remainder is 42, so the divisor cannot be ().
A, 42 B, 43 C, 44 D, 45
5, an obtuse angle is divided into two angles, there must be a ().
A, obtuse angle b, right angle c, acute angle d, right angle
I am an expert in calculation. (***2 1 min)
1, calculated vertically. (2 points for each small question, ***6 points)
180? 45= 305? 23= 884? 26=
2. Use a simple method to calculate. (3 points for each small question, ***9 points)
800? 25 46? 28+28? 54 125? 49? eight
3. Off-mold calculation. (3 points for each small question, ***6 points)
26? (32? 14)? 36 [840? (240-2 12)]? 63
Fifth, ingenuity. (Question 1 4 points for each minor question, Question 2, 2 points for each minor question, *** 12 points)
1, (1) The vertical and parallel lines passing through point P are straight lines L. (2) Draw a 50? 、 135? Angle.
2. Tell me about it.
(1) The route from Yan Yan's home to the supermarket is:
(2) The route from the hospital to the post office is:
I will solve practical problems. (***28 points)
1. The fruit shop bought 126 boxes of apples. The price of each box of apples is 25 yuan. How much did it cost to buy these apples? (5 points)
Uncle Li walks 60 meters every minute from the west village to the east village.
(1) What's his approximate location in 10 minutes? (Used as a mark on a chart) (2 points)
(2) What time does Uncle Li leave for Dongcun at 9: 15? (3 points)
Red Star Primary School is going to buy 25 bundles of notebooks to reward outstanding students. Each bundle of 24 notebooks, the retail price of each notebook is 4 yuan. (6 points)
4. Bus limit 14 people, bus limit 46 people. If each car 12 is just enough for the whole school, how many students are there in this school? (6 points)
Every morning, there are always busy cleaners on the road. A cleaner can clean up 4800 kilograms of garbage in 60 days. How much garbage can a cleaner clean up in a year (365 days)? (6 points)