The fourth grade first volume mathematics final examination paper topic
I can calculate: (***36 points)
1, the number written directly: (65438+ 0 point for each question)
400? 70= 320? 40= 15? 60= 63? 7? 8=
15? 40= 1600? 80= 7200? 9=
640? 80? 4= 634? 70= 25? 40=
100-67= 12? 4? 2=
2. Longitudinal calculation: (2 points for each question)
507? 46= 265? 68= 840? 35= 762? 19=
3. Simple calculation: (2 points for each question)
8? 72? 125 102? 36 49? 99+49 900? 25
4. Recursive equation calculation:: (2 points for each question)
( 160-48? 12)? 4 336? [(36-29)? 6] 62? (300- 145? 5)
Second, I'll fill it out. (2 points for each question, *** 16 points)
1, starting from the unit, the fifth digit is a number, the billionth digit, the largest six digits are, and the number of 1 greater than the smallest six digits is.
2,297304851pronunciation, where 7 is in place, indicating. Rounding this number to 10 thousand places is about.
33.205 billion 70 1, writing. Change to? Billion? When working as a unit, write
4、84? The product of 390 is a digit.
5、(480? 10)? ( 120? ) =4 You can fill in ().
6、( )? 25=20 15
Third, I will choose. (65438+ 0 points for each question, ***6 points. )
1. One of the following three numbers is zero: ()
a、90000900 B、90090000 C
2, to do 8 4 18? 80,000 yuan, you can't fill it in ()
a、5 B、3 C、2 D、 1
3. Among the following four figures, the one closest to 80,000 is: ()
a、80 10 1 B、79989 C、79899 D、79979
4. Among the following lines, () is a straight line, () is a ray and () is a line segment.
A, B, C, D,
5. The highway from Beijing to Tianjin is120km long. It takes two hours for the truck to travel, and the speed of the truck is ().
A, 60 hours b, 60 kilometers per minute c, 60 kilometers per hour d, 240 kilometers per hour
Fourth, I will judge. That's right. Fight? , wrong number? . (2 points for each question, *** 10. )
1. The temperature on a certain day in Beijing is -8℃ ~ 8℃, and the highest and lowest temperatures on that day are the same. ( )
2. After a little, you can only draw straight lines. ( )
3. In multiplication, both factors are expanded by 10 times, and the product is also expanded by 10 times. ( )
4, to do □345? The quotient of 45 is a two-digit number, and you can fill in 3□ at most. ( )
There are countless rays in the light of flashlight. ( )
Answers to the final examination paper of mathematics in the first volume of the fourth grade
I can calculate: (***36 points)
1, the number written directly: (65438+ 0 point for each question)
400? 70= 2800 320? 40=8 15? 60=90 63? 7? 8=72
15? 40=600 1600? 80= 20 7200? 9=800 640? 80? 4=2
634? 70=94 25? 40= 1000 100-67=33 12? 4? 2=24
2. Longitudinal calculation: (2 points for each question)
507? 46=23322 265? 68= 18020 840? 35=24 762? 19=402
3. Simple calculation: (2 points for each question)
8? 72? 125 102? 36 49? 99+49 900? 25
=7200 =3672 =4900 =36
4. Recursive equation calculation:: (2 points for each question)
( 160-48? 12)? 4 336? [(36-29)? 6] 62? (300- 145? 5)
=624 =8 = 16802
Second, let me fill in: (2 points for each question, *** 16 points)
1, in terms of units, the fifth place is 10,000, the ninth place is 100 million, the largest six places are 99999, and the number 1 larger than the smallest six places is 100000.
2.29730485 1 is pronounced as 297.30485 1, where 7 is in millions, which means 7 million. This figure is rounded to 10,000 places, which is about 297.3 million.
3,32050701billion, write 320050700 1. Change to? Billion? When working as a unit, write down
3.2 billion.
4、84? The product of 390 is five digits.
5、(480? 10)? ( 120? ) =4 can be filled in (10).
6、( 5 15 )? 25=20 15
7. As shown in the figure below:
If the car travels 50 meters east and is marked as +50 meters, then the car travels 20 meters west and is marked as (-20 meters). Drive 40 meters west, then drive east 10 meters. At this point, the position of the car is marked as (-30m).
8. What's the highest temperature on New Year's Day in Beijing? C can also be expressed as (-3? C) carry out the test.
Third, I will choose: (65438+ 0 points for each question, ***6 points. )
1, one of the following three numbers is zero: (c)
a、90000900 B、90090000 C
2, to do 8 4 18? 80,000 yuan, can't fill in (a)
a、5 B、3 C、2 D、 1
3. Among the following four figures, the one closest to 80,000 is: (b)
a、80 10 1 B、79989 C、79899 D、79979
4. Among the following lines, (a) is a straight line, (d) is a ray and (c) is a line segment.
A, B, C, D,
5. The road from Beijing to Tianjin is 120km, and it takes two hours for trucks to walk. The speed of the truck is (c).
A, 60 hours b, 60 kilometers per minute c, 60 kilometers per hour d, 240 kilometers per hour
6. Among the following figures, only one set of parallel lines is (D).
A, B, C, D,
Fourth, I will judge. That's right. Fight? , wrong number? . (2 points for each question, *** 10. )
1. Today's temperature is -2℃ ~ 2℃, and the highest and lowest temperatures on this day are the same. ( ? )
2. After a little, you can only draw straight lines. ( ? )
3. In multiplication, both factors are expanded by 10 times, and the product is also expanded by 10 times. ( ? )
4, to do □345? The quotient of 45 is a two-digit number, and you can fill in 3□ at most. ( ? )
There are countless rays in the light of flashlight. ( ? )
Verb (abbreviation of verb) Let me solve the problem: (The fourth question is 7 points, the other party is 5 points, and * * * is 22 points)
1、
(1) Which of them can type fast? (2) Who can type a 2000-word article in half an hour?
960? 12=80 (piece) 80? 30=2400 (pieces)
1 170? 18=65 (piece) 65? 30= 1950 (piece)
A: Xiaoling plays fast. Xiaoling can finish it in half an hour.
The picture below shows the buildings around a school: Please observe:
① The location of the library is (3, 6). If the school is an observation point, the library is 60 degrees northwest of the school.
(2) The location of the station is (8, 5).
The school is an observation point, standing 30 degrees east-northeast of the school.
Direction, 200 meters away from the school.
(3) After school, Xiaoming travels from school to the gymnasium at a speed of 50 meters per minute, and it takes 12 minutes to reach the gymnasium.
3. The following table shows the daily sales of some commodities in supermarkets and department stores:
Commodity name unit price (yuan) turnover (yuan)
Towels 12 228
Soap powder 17 272
Shampoo 23 345
(1) Which daily necessities sell best this day?
228? 12= 19 (article)
272? 17= 16 (package)
345? 23= 15 (bottle)
Towels are the best sellers.
(2) According to the sales of towels on this day, estimate the sales for one month and one year?
19? 30? 20? 30=600 (strips)
300? 12=3600 (strips)
A: It is estimated that we can sell 600 pieces a month and 3,600 pieces a year.
4. The following is the statistical table of the lowest temperature in the week of 65438+February.
Dates 7, 8, 9, 10,16,5438+02, 13.
Temperature (? C) +4 0 -6 -2 -4 + 1 +8
According to the data in the table, draw a broken line statistical chart first, and then fill in the blanks according to the broken line statistical chart.
(1) (9) Minimum temperature;
(13) has the highest temperature.
(2) The lowest temperature in a week from low to high is:
( -6℃? -4℃? -2℃? 0℃? 1℃? 4℃? 8℃)
(3) During the day (8) to (9), the temperature drops the fastest.
④ The temperature rises the fastest in a day from (12) to (13).