The first grade mathematics midterm examination questions one.
First, fill in the blanks happily.
1 .1 and 1 10 form (), and the adjacent numbers are () and ().
2.6 The number greater than 8 is (), and the number less than 6 is ().
3.20 There are () tens in it; It can also be said that there is one in 20 ().
4. Friends line up to do exercises. There are 9 people in front of Xiaohua and 8 people in the back. There are () people in this team.
Second, write the number directly.
12+6= 15-9= 18-9=
16-6= 7+8= 9+5 =
16- 10= 19- 19= 13+0=
3. Fill in ○? & gt& lt？ Or? =?
13 ○ 9 2+9 ○ 10- 1 12+6 ○ 17
1 1- 1 1 ○ 20-20 12-6 ○ 15-9 9 ○ 13-5
Fourth, calculation
12-2+4= 17-4+3= 7+6+3=
15-8+2= 1 1+3-6= 19-9-5=
Five, solve the problem (1.2 small 3 points per question, 3 small 9 points, *** 15 points)
1, Xiaolan wrote nine words. Xiao Ming writes as many words as Xiao Lan. How many words did they write together?
□○□=□
2. Xiaohua cut eight five-pointed stars on the first day and seven five-pointed stars on the second day. After giving Xiaoli nine, how many pentagrams does she have left?
3. Buy toys. (9 points)
(1) Honghong wants to buy two kinds of toys. How much will it cost at least?
Xiaoming wants to buy a robot and a toy car. A * * *, how much is it?
(3) Xiaoming only has 10 yuan. How much money does he need to buy a robot and a toy car?
The first volume of the first grade mathematics midterm examination questions two
fill (up) a vacancy
1, 8 minus 3, 18, _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _.
2,8 ones and 1 tens (); 10 one and 1 10 ();
16 has () ten bits and () bits. There are () tens in 20.
3. One addend is 6, the other is 9, and the sum is ().
4. The minuend is 18, the minuend is 5, and the difference is ().
It's seven o'clock in the morning, and it will be () in another hour.
6. Arrange 7, 10, 9, 1 1, 5 in descending order.
()& gt()& gt()& gt()& gt( )
Second, find a rule to fill in the blanks.
①9、( )、( ) 、 12 、( )、( )、 15。
② 14 、 12 、( )、8、( )、( )、2。
Third, true and false (for painting? , wrong number? ) (* * * 5 points)
The number before 1 and 1 is 0, and the number after it is 2. ( )
2. 15 is 5 more than 1. ( )
3, 12 write 102. ( )
4. The decimal digit of 1 8 is 8, and the unit digit is1().
The fifth of the five has the same meaning as the fifth. ( )
Four, multiple-choice questions (choose the serial number of the correct answer in brackets) (5 points)
1 and 10 are greater than 5 ().
① 1 ②5 ③ 15
2. A dozen digits are 1, and each digit has no 1. This number is ()
① 9 ② 10 ③20
3, there is ().
① 5 ② 4 ③8
4. The number adjacent to 15 is ().
① 15、 16 ② 14、 15 ③ 14、 16
5. Subtract () from16 to get 10.
① 1 ②6 ③ 10
V. Oral calculation (15)
7+6= 8+3= 8-3= 7+9= 9+4=
9-5= 12-2= 15- 10= 10-6= 8+7=
9-6+0= 10+ 10-0= 4+3+5= 13-3-5= 7-3+8=
Six, fill in the appropriate number in brackets * * * (65438+ 0 points for each small question, ***6 points)
( )+5=20 5=( )-5 10-4-( )=0
10-( )=2 ( )+( )= 13 ( )+( )=3+8
Seven, problem solving (1, 2 small questions each 3 points, 3, 4 small questions each 4 points, *** 14 points. )
1. There are 17 birds in the tree. How many birds are left after flying away?
= (Only)
Xiaohong cut 9 red flowers. Xiao Li and Xiao Hong cut as many red flowers. How many red flowers do they have?
= (flower)
3. There are 19 people in the car. At the station, 10 people get off and 7 people get on. How many people are there on the bus?
= (person)
There were eight people in front of Jun Jun and eight people behind him in the queue. How many people are there in this team?
Math application problems in the first grade
1. Grade 7 students in a middle school go out for social practice. If there are 45 people in each car, then 15 students don't have a car. If there are 60 people in each car, then one car can be vacated. Q * * * How many cars and students are there?
2. Fujian Xinxin Electronics Co., Ltd. applied for two kinds of loans, A and B, with an amount of 680,000 yuan and an annual interest of 84,200 yuan. The annual interest rate of loan A is 12%, and that of loan B is 13%. How much are these two loans?
3. A clothing factory wants to produce a batch of certain kinds of students' clothes. It is known that a 3-meter-long cloth can be used to make two coats or three pairs of trousers, and one coat and one pair of trousers are a set. It is planned to use this 600-meter-long fabric to produce coats and trousers. How much cloth does it take to produce them? * * * How many sets can you produce?
4. A shopping mall sells an electrical appliance at a fixed price, and each one can make a profit in 48 yuan. Selling six electrical appliances at a 10% discount on the fixed price is equal to the profit of selling nine electrical appliances in 30 yuan. What is the purchase price and fixed price of each electrical appliance?
5. A square table consists of 1 desktop and 4 legs. If 1m3 wood can be used as 50 desktops or 300 legs of a square table, how many cubic meters of wood can be used as desktops and legs to make a square table with the existing 10m3 wood? How many square tables can you make?
6. At 8: 00 am, Party A and Party B walk to each other from A and B at the same time, with a distance of 36km at 10 in the morning, and continue to move forward, with a distance of 36km at 12. As we all know, Party A walks 2 kilometers more than Party B every hour, so we can find the distance between A and B. 。
7. A middle school organizes students to have a spring outing. It was originally planned to rent a number of 45-seat buses, but 15 people had no seats. If you rent the same number of 60 buses, there will be one more bus, and the rest of the buses are just full. It is understood that the daily rent of 45 buses is 220 yuan, and the daily rent of 60 buses is 300 yuan.
(1) How many students are there in the spring outing? How many 45-seat buses were originally planned to rent?
(2) If you rent a similar car and want everyone to have a seat, how to rent a car is more cost-effective?
8. What are Class A and Class B of Grade 9 in Guangming Middle School? Project Hope? In the donation activities, the total donations of the two classes are the same, both more than 300 yuan and less than 400 yuan. It is known that one person in Class A donated 6 yuan and the rest donated 9 yuan. One person in Class B donated 13 yuan, and the rest donated to 8 yuan. What is the total number of students in Class A and Class B?
9. Xiaoyue Automobile Sales Company went to an automobile factory to buy two kinds of cars, A and B. With 3 million yuan, it can buy 10a car and 15 B car, and with 3 million yuan, it can also buy 8 A car and 18 B car.
(1) How much are the A and B cars?
(2) If the car sales company can get 8,000 yuan for selling 1a cars and 5,000 yuan for selling 1b cars, and the car sales company is prepared to buy 30 cars A and B for no more than 4 million yuan, and the total profit after all these two cars are sold is not less than 204,000 yuan, how many car purchase schemes are there? In these car purchase schemes, how many million yuan did the car sales company earn after selling all these cars?
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