Peking University Edition, Grade Two, Volume II Mathematical Olympiad Examination Paper (1)
I. Fill in the blanks (23 points)
1, the sum of three sixes is (), and the sum of six threes is ().
2. The multiplication formula of 8+8+8+8 is () or ().
3, 5 yuan 7 Angle = () Angle. 38 Angle = () Yuan () Angle
4.35 years old? In 5=7, the dividend is (), the divisor is () and the quotient is ().
5. 1 m = () cm 700 cm = () m。
6. Fill in the appropriate units in the brackets below.
The blackboard in the classroom is 4 () long.
(2) The length of the pencil case is 18 ().
③ A big tree is 10 ().
7. One multiplier is 8, the other multiplier is 9, and the product is ().
8. Divide 24 into 3 points, and each point is ().
9. The units of RMB are (), () and ().
10, for measuring relatively long objects, you can use () as the unit to measure relatively short objects.
You can use () as the unit.
Second, the judgment (5 points)
1、 18? 3=6 pronounced 18 divided by 3 equals 6. ( )
2、 24? 8=3, where 8 is a divisor and 24 is also a divisor. ( )
3. The height of Si Qi is120m. ( )
4、4? 7=28 and 28? 4=7 uses the same formula. ( )
5、2 1? 3=7 means that 2 1 is divided into three parts on average, and each part is 7. ( )
Three, multiple choice questions (5 points)
What is the five times of 1 6? The correct formula is ().
a、30？ 5=6 B、6？ 5 = 30°C、6+5= 1 1
2. The formula for finding the sum of four threes is ().
a、3+3+3+3 B、4+4+4 C、4+3
3、 12? The dividend in 3=4 is ().
a、 12 B、4 C、3
4. On average, 42 flowers are divided into 6 parts. How many flowers are there in each part? The formula is ().
a、6？ 7=42 B、42？ 6=7 C、42？ 6=7
5. The height of the classroom door is about 2 ().
a，m b，cm c，mm
Fourth, look at the picture and write two multiplication formulas and two division formulas. (8 points)
5. fill in ○? & gt& lt=? . (4.5 points)
3? 9 28 6 45? 5 8+9 8? nine
60 72-8 1? 1 1+ 1 9? 7 65
6? 6 9? 4 16+5 20 6? 7 6? eight
Six, the maximum number of people can fill in (4.5 points)
7 ? & lt30 3? & lt25 4? & lt22
? 5 & lt40 36 >； ? 8 ? 9 & lt37
? 5 & lt32 75 >？ 9 ? 6 & lt25
Seven, calculation (32 points)
1, write the number directly (16 points)
45? 5= 9? 7= 48 ? 8= 8 ? 5=
24? 6= 54 ? 6= 7 ? 5= 56 ? 8=
9? 8= 56? 7= 18? 9= 63 ? 9=
72? 8= 35? 5= 24? 3= 42? 6=
3, column vertical calculation (8 points)
23+35-24= 48-32+43= 37+29-34 = 34+36-35=
4, column calculation (8 points)
(1), one multiplier is 5 and the other multiplier is 9. What is the product?
How many times is 2.36 4?
(3) One addend is 36, the other is 42, and what is the sum?
(4) What is the triple of 8?
Eight, solve the problem (18 points)
1. There are 56 students in Class One, Grade Two, Experimental Primary School. How many rows can these students stand in every eight? (3 points)
2. On Arbor Day, the second-year students planted 35 seedlings in 7 rows on average. How many trees in each row? (3 points)
3. Shopping in 24 yuan, 3 yuan? Yuan 6 yuan
How much does it cost to buy five pairs of socks? (3 points)
A dress is six times as big as a pair of gloves. How much is a dress? (3 points)
How many times more expensive is a pair of shoes than a pair of socks? (3 points)
How many pairs of gloves can I buy for 24 yuan? (3 points)
Peking University Edition Grade Two Volume II Mathematical Olympiad Examination Paper (2)
First, I am an expert in calculation. (34 points)
1, write directly. (12)
100+900= 8? 8= 1200? 300= 54? 9= 5? 8=
48? 6= 32? 8= 7? 3= 9? 3= 7000+3000=
7? 7= 1600- 1000= 32? 8= 36? 6= 16? 2=
45? 5= 56? 8= 63? 9= 3000- 1500= 9? 9=
1000 +800= 8 1? 9= 2500? 1500= 2 1? 3=
2. Use vertical calculation. (10)
19? 2 = 77+ 13= 49 ? 7= 63? 8= 86? 37=
3. Calculation of parting (12)
60- 15+35 53+3? 9 35+ 14? seven
8? (45-25) (4+36)? 9 8 1? (26? 17)
Second, I am an expert in filling in the blanks. (Per grid 1 minute, ***32 points)
1, division formula: dividend is (), divisor is (), and quotient is (). It means dividing () wafers into () wafers on average, and each wafer is ().
2. One hundred and the number of one hundred, 10 One hundred is (); Eleven thousand places, 10 thousand is ().
3. Use 3, 5, 6 and 7 to form a four-digit number. The largest number is (), which consists of () thousand, () hundred, () ten and () one.
4. Nine thousand nine hundred words: (); 4090 reading: ().
5、4308=( )+( )+( )
6.2500 has () hundred, and 3600 is ().
7. 1 laptop weighs about 2 (), and 2 bags of salt weigh 1000 (), that is 1 ().
8. The two digits adjacent to 9999 are () and () respectively.
Huanhuan, Lele and Xiaoxiao are three lovely puppies. Lele is heavier than huanhuan, and laughing is the lightest. Can you write their names? 7 kg is (), 5 kg is () and 9 kg is ()
10, according to the following rules, the 28th digit is, a * * * put A, A. ..
Third, I am an impartial judge. (Right? , wrong number? ╳? ) (5 points)
1, 8? Six six? 8,48? 8 Use the same multiplication formula. ( )
2. A ping-pong ball weighs about 3kg. ( )
3. Opening a math book is a translation phenomenon. ( )
The price of a TV set is 3 105 yuan, which is about 3000 yuan. ( )
5. The lower bead stands for 1 and the upper bead stands for 5. ( )
Fourth, I'm a little star in the right place. The serial number of the correct answer is written in brackets. (5 points)
2. In division with remainder, if the divisor is 9, the remainder ().
① greater than 9 ② less than 9 ③ equal to 9.
3. The following is an axisymmetric figure ().
① ② ③
4, 12 candy, evenly distributed to 3 little gray rabbits, it should be divided like this: ().
① ② ③
5. Among the following figures, () is the closest to 6000.
①5005 ②60 10 ③5999
5. I am an elite problem solver. (***24 points)
1. You need 4 yuan to buy one. Teacher Zhang has money from 36 yuan. How much can you buy? (4 points)
2. There are 52 cars parked in the parking lot, 15 cars have left and 18 cars have come in. How many cars are there in the parking lot now? (5 points)
3. In order to make 60 lanterns, Wang Can Jr. has to make 8 lanterns a day. How many days will it take at least to complete? (5 points)
(1) Fangfang has just enough money to buy five toy cars. How much does Fangfang have? (3 points)
(2) Buy 1 pair of shoes and only buy 5 balls. 1 What's the ball? (3 points)
(3) Lily has been rich since 29 yuan. After buying a ball, how many alarm clocks can she buy with the remaining money? (4 points)