Math problems in the second grade of primary school 1000.

First, oral calculation.

2 1+50= 70- 1 1= 78- 17= 3 1+32=

26+40= 6×5= 4×4= 25+25=

95-20= 36+40= 83-83= 4×2=

75-40= 90-80= 50+37= 43+42=

27- 1 1= 37-3= 8+ 17= 55+45=

58+2= 46- 14= 3×3= 45+ 15=

90-29= 65+9= 43+37= 1× 1=

30+27= 7+36= 8+ 12= 10+22=

37-26= 72-7= 5+43= 38+22=

24-24= 4×3= 2×2= 60+35=

33-7= 49+ 1 1= 3×2= 6×2=

98+2= 12-7= 49+5 1= 38+ 12=

93-80= 96-8= 67+7= 27+35=

5×4= 4×6= 4+2= 40-2=

3×3+2= 4×5- 1= 6×6-7= 4×3+4=

Second, vertical calculation. (15)

90-27= 38+49= 50- 1 1=

16+28+39= 62-27- 16= 53-30+ 14=

Third, complete the following multiplication formula. (9 points)

One four () two () get six three five ()

() 5 13 () gives 944 ()

() Four is 85 () 25.56 ()

4. Fill in "+,"or ╳ "In".

3○3=9 1○ 1= 1 6○3=3 4○0=0

2○3=5 4○6=24 5○3= 15 1○2=2

I can calculate in tabular form. (18)

What is the sum of 1 and 6? What's the difference between 2,4 times the product of 6 and 8?

How much is 3.46 more than 28? How much is 4.34 more than 17?

5、 6、

Sixth, solve the problem:

1, boys 22, girls 2 1. 16 people participated in the relay race. How many people did not take part in the relay race?

2. Three groups * * * collected 94 soda bottles, one group collected 34 people, the second group collected 29 people, how many did the three groups collect?

3. I am 8 years old, my father is 35 years old, and how old are you when my father is 50?

4. How many flowers are there in a box?

5、

5 yuan, 3 yuan, 4 yuan? Yuan dynasty (1206- 1368)

(1) is more expensive than 6 yuan. how much is it? (4 points)

(2) How much are five bowls? (4 points)

(3) Please put forward the parallel calculation of the multiplication problem. (4 points)

I. Calculation

37+25+ 15= 17-9-2= 72-24+ 16=

34+ 16+27= 3×8+24= 26+38-35=

9×7-25= 5×(26-20)=

2. Fill in the appropriate numbers in the brackets.

27-( ) = 10 ( )- 14=25 ( )+ 16=40

34-( )= 16 12+( )=85

Eight forty-eight, seven fifty-six and thirty-six.

() 62489 () () 927

Third, the column calculation

There are 15 white sheep and 7 black sheep in the sheepfold. How many sheep are there in a * * *?

(2) There are 22 sheep in the sheepfold, and 6 have escaped. How many sheep are left?

(3) There were 15 white sheep and 7 black sheep in the sheepfold, and 6 escaped. How many sheep are left?

(4) The school bought 90 new books and lent 53 to classmates. How many books are left?

5] Xiaoming's family has 32 chickens and sold them 17. How many chickens are left?

Xiaoming's family has 32 chickens. I sold 9 chickens for the first time and 8 chickens for the second time. How many chickens are left?

Exercise 2

First, the calculation problem

56+(28- 15)= 7×6- 14= 40+50-20=

4×7+72= 4×9-36= 3×5+46=

28+(26- 17)= 24-(56-50)=

Second, fill in the blanks

() 2 1 () 62489 ()

() 92749 () () 24

Seven times eight is (), nine times three is (), and the sum of eight fives is ().

Third, question and answer.

(1) A sophomore made 45 dolls and gave them to 35 kindergartens. How much is left?

(2) Students in Grade Two make dolls. On the first day, they made 22 dolls. The next day, they made 23 dolls and gave them to the kindergarten. How many dolls are left?

(3) The canteen eats 25 bags of rice in the first week, 37 bags of rice in the second week, and how many bags of rice in two weeks?

There are 50 baskets of apples and 40 baskets of pears in the shop, and 25 baskets have been sold. How many baskets are left?

There are 48 passengers on a bus. At the first stop 18 people get off and 20 people get on. How many passengers are there on the bus?

Exercise 3

The bicycle factory plans to produce 80 bicycles in three days, 20 on the first day, 35 on the second day and how many on the third day?

(2) There are 65 cars in the parking lot. After 28 cars left, 39 cars came again. How many cars are there in the parking lot?

(3) There were 18 apples, and the children ate eight. How many apples are left?

(4) 3 plates of apples, 6 apples per plate. The children ate eight apples. How many apples are left?

[5] Six students made big red flowers, and each made five. How much did a * * * do?

[6] Six students made big red flowers, and each made five. 25 flowers have been made. How much more do you want to do?

(7) There are 40 trees and 26 trees have been planted. How many more trees will be planted?

There are five students planting trees. Each student has planted eight trees, and 26 trees have been planted. How many more trees will be planted?

Pet-name ruby bought 48 meters of cloth, 32 meters for bed sheets and 5 meters for clothes. How many meters are left?

⑽ 94 bags of cement were used for road construction, 36 bags were used for the first time and 38 bags were used for the second time. How many bags are left?

⑾ Mom bought 40 Jin of apples, and later she bought 15 Jin. How many Jin did Mom buy?

⑿ Mom bought 5 bags of apples, each weighing 8 kg, and later bought 15 kg. How many Jin did mom buy?

[13] Use your head: after the start of school, there are 25 more girls than boys, 80 more boys and 65 more girls. Are there more female students or male students now? How many people are there?

[14] Fill in the blanks.

Six () 5489 () () 28

49 () () 45 () 36

Eight forty-eight, seven fifty-six and three fifteen.

() 624 () 64 () 927

() 2 1 () 63 () 32

46 () () 42 () 36

8487516 436

() 82429 () () 927

VII () 56 () 36 () 8 1

57 () () 25

Exercise 4

1. There are 15 white sheep and 7 black sheep in the sheepfold, and 6 have escaped. How many sheep are left?

Six students made big red flowers, and each made five. How many did a * * * make?

Six students made big red flowers, each made five, and they have already made 25. How much more do they have to do?

4. Mom bought 5 bags of 8 kg each, and later bought 15 kg. How many kilograms of apples did mom buy?

5. The canteen eats 25 bags of rice in the first week, 37 bags of rice in the second week, and how many bags of rice in two weeks?

6. There are 80 bags of rice in the canteen. We ate 15 bags of rice in the first week, and 27 bags of rice in the second week. How many bags are left?

7. There are five students planting trees, and each student plants eight trees. 26 trees have been planted. How many more trees will be planted?

8. There are four classes in Grade Two. Make 8 sandbags in each class and distribute them to students in Grade One 14. How much is left?

9. Xiaoming read an 80-page book. On the first day, he read 25 pages. On the second day, he read 28 pages. On the third day, how many pages did he read?

Exercise 5

1. Write the names of the parts in the formula.

⑴ 27 + 35 = ( )

: : :

( )( )( )

⑵ 57 - 34 = ( )

: : :

( )( )( )

⑶ 6 × 9 = ( )

: : :

( )( )( )

Please write two multiplication formulas.