( 1)75- 16= 80+60= 450+70= 78÷9=
3500+600= 5×9= 5400-5000= 350+80=
(2)(272-200)÷9= 45+ 12÷4= 5×6+56=
32÷4÷4= 7×(2+6)= 60-45+20=
II. Fill in the blanks (15)
1, four digits, thousands of digits 5, tens of digits 6, and other digits 0. This number is ().
2、7423= + + +
3. In the subtraction formula, the difference+subtraction+minuend =80, and the minuend is ().
An animation starts at 6: 20 and ends at 7: 00. This animation lasted () minutes.
5, 8500 writing (); 6009 is pronounced ().
6, 2 hours = () minutes 180 minutes = () hours and 5 minutes = () seconds.
2 yuan 4.5 points = () points; 56 kg ÷8= () kg; 2 kg-500g = () g。
7. Fill in the appropriate units.
The height of the door is 2 (). A pack of salt weighs 500 (). Class time is 40 ().
A pig weighs 150 (), a ruler weighs 20 () and Xiao Ming weighs 25 ().
8. Arrange the following figures in descending order.
567、 1089、345、5400、 1450、4500
_______ >_______ >________ >______ >_ _ _ _ _ _ _ _ _ _ _ _ >________
Three. Judgment (tick "√" is correct, tick "×" is wrong, ***5 points)
1, 1 kg cotton is lighter than 1 kg iron. ( )
2. Dad works 8 hours a day. ( )
A pencil weighs 20 kilograms. ( )
The minute hand walked on the clock face for 60 minutes. ( )
Five and two four in 4004 have the same meaning. ( )
Fourth, write calculations. *** 10.
( 1)70-48 (2)850+432
(3)5050+340 (4)8000-3705
V. Calculation of parting (12)
(56-42)÷4 86-72÷9
1500+3050-800 6400- 1000+3450
Six, the application problem (37 points)
(1) bright primary school bought 4,500 science and technology books, but bought 200 comic books less. How many comic books are there? (5 points)
2. Pencils are 70 cents each. Xiaoming bought five pencils and gave money to aunt 5 yuan, a shop assistant. How much should he get back? (5 points)
Master Wang processes nine parts in an hour. He starts at 7: 30 in the morning and ends at 1 1: 30. How many parts did he process in the morning? (5 points)
4. In the second grade, make 100 red flowers for grandparents in nursing homes. First, I made 29, and then I made 35. How much more do I have to do? (Answer in two ways) (5 points)
5. There were 60 apples, and 15 apples were eaten. Put the remaining apples in a plate, and put 5 apples in each plate. How many plates can you put? (5 points)
6. Xiaohua, Xiaojun and Xiaoming go to the bookstore to buy books. Xiaohua bought six books, two more than Xiaoming, Xiaojun bought three more than Xiaoming, and how many did Xiaojun buy? (6 points)
The second grade mathematics question bank of primary school II. The number of direct writing
26+50= 80-60= 37+4 1= 86-82= 24+70= 68-60=
45-2 1= 3 1- 18= 45+ 1 1= 68-3 1= 23-9= 62+27=
Second, use vertical calculation.
45- 16= 35-28= 53-36= 28- 19=
Third, off-model calculation.
5-8÷4= 72÷8-3= 36+8 1÷9= 45+8×4=
Fourth, solve the problem.
1. There are 60 story books in the small library, of which 40 have been lent out. How much is left?
_____________________________________
2. Out of the original 45 balls, 18 ball was lent. How many balls are left?
_____________________________________
3. Lend eight balls, leaving 2 1. How many people are there?
_____________________________________
4. Mom, 83 Qian Qi, how much money is left to buy books, and go to 30?
_____________________________________
The second grade mathematics question bank 3 1. Do the math.
3×4=5×5=9×7=29+7=5×6=6×8=4×6=4 1-30=6×7=
Second, fill in.
1, fill in the appropriate company name.
Xiao Qiang is about 95 () high, and a truck is about 7 () long.
2. Fill in the appropriate figures.
34m+ 18m =()m 49cm+5 1cm =()cm =()m。
3. What can I fill in ()?
()×8 & lt； 4757 >7×()5×()& lt； 4630 >( )×4
Three, column vertical calculation.
48+3783-2947+28+ 1492-45+37
Fourth, write numbers directly.
28+56-34= Answer 86-48-38= Answer 25+46-27= Answer 6×8+30= Answer 5×7-9= Answer 7×7+8= Answer.
Fifth, do it.
1, drawing as required.
(1) The first line: ○○○○○○○○○○○○○○○○○○○○○○○○○○
The second line of the picture:
(Draw 50 less than the first line)
(2) The first line of the painting: ☆☆☆
The second line of the picture:
(3 times of the first line)
2. On Children's Day, Class Two (1) has 16 children, 2 1 child and 12 children. How many children participated in these three activities?
Bright primary school Sports Group bought six small basketballs.
4. At the 2004 Athens Olympic Games, the winners of China athletes are as follows.
Medals, gold medals, silver medals and bronze medals
Quantity (block) 32 14
(1) A * * * won 60 medals. How many silver medals?
(2) Ask yourself a question, parallel computing.
5.2, 5 and 7 These three digital cards can put several different two digits. Please write it down.
Item 4 1, 5 breads cost 10 yuan, and 3 breads cost () yuan.
2. It takes 30 minutes for a piece of wood to saw 6 segments and () minutes for sawing 4 segments.
3. Find the pattern: 64, (), 16, (), 4, 2, 1.
The difference between 4, 60 and 24 is () times that of 6.
5. Combine 12+ 13=25 and 4925=24 into one formula: ().
6. There are 8 people in the art group, 3 times in the music group and 4 times in the dance group, and there are () people in the dance group.
7. When calculating, first calculate the item in brackets (), and then calculate (); If there are no brackets, there are both multiplication and division and addition and subtraction. If () is calculated first and then (), () or (), it is calculated from left to right.
8, the teacher has 20 books, at least buy () can be distributed to seven children on average.
9. Divide 24 apples into 3 parts, each part is ().
The formulas of 10, 4+6 = 10 and 46+ 10 = 56 are: ().
1 1. Xiaoming bought a composition with 50 yuan and spent it 12 yuan. He bought a pen with 20 yuan and still had () yuan left.
12, Xiaohong is 4 years old and her father is 6 times her. Her father is () times that of Xiaohong next year.
13, the village head is 3 1 year old this year, and the lamb is 7 years old. When the village chief is 60 years old, the lamb is () years old.
14 and 56 have () eights. The formula is: ().
15 and 9 There are three apples in each basket, which are distributed to three people equally, and each person gets ().
16、
_____________________________________
17, Painting: Make white twice as much as painting.