1, it is estimated that your age is close to ().
(1) 120 hours? (2) 120 weeks? (3) 120 months
The thickness of 2,500 pieces of white paper is 5 cm, so, (? The thickness of a blank sheet of paper is 45 cm.
( 1) 1000 (2) 1250? (3)4500
3, the right * * * has (? ) box.
( 1)28 (2)23? (3)20
4. In physical education class, the students stood in a row, and the teacher asked them to count off by 1, 2, 3, 4, 5, and the last number was 2. The number of people in this row may be ().
( 1)26 (2)27 (3)28
My brother sent eight books to my sister, so my sister still has seven fewer books than my brother, and my brother has () more books than my sister.
(1) 15 (2)23 (3)22.
Fill it out, I can do it! [* * * 5 1 min]?
1, a two-digit number, the sum of its digits is exactly 9, one digit is 8 times of the ten digits, and this two-digit number is (). ? 4 points
2. Fill in the seven numbers 1 ~ 7 in the blanks below to make the equation hold. (Each number can only be used once)
□×□ =□□□ Small□ =□ +□ -□ 4 points
3. KFC restaurant in Bell Tower opens at 9: 00 every morning and closes at 1 1: 30 in the evening. The business hours are from () to () all day. 4 points
4. Xiaoxiao lives on the 7th floor, and each floor has 16 stairs. She walked from the 1 floor to the 7th floor, and * * * is going to the () floor. ? 4 points
5. There are five Sundays in September. 1 in September this year is not a Sunday, but a week (). Four points?
6, △÷χ = 15 ...7, ○ The minimum can be,
Delta should be at this time, and the formula is. 5 points
7. If everyone walks at the same speed, it takes 15 minutes for three people to walk from school to East Lake Cinema, then it takes () minutes for six people to walk from school to East Lake Cinema. ? 4 points
8. The students have a radio practice contest, and the whole class is arranged in six equal rows.
Naughty is in the second row. From the beginning, he stands in the fifth position, and from the back, he stands in the third position. There are () people in this class. 4 points
9. New Year's Day in 2005 is a Saturday, so the first day of the first month of 2005 [February 9] is a week (). 4 points
10, 45 students went to the garden, and each of them wanted to drink 1 bottle of mineral water. Stores buy 4 bottles and get 1 bottle, so all they need to pay is (? ) bottle. 4 points
1 1. A carpenter saws a piece of wood with a length of 10 meter, and it takes 2 minutes to saw each section. If this piece of wood is sawed into five equal parts, it will take () minutes. 4 points
12. It's winter. Grandpa wrapped a straw rope around a tree in front of the door. If a rope goes around the tree three times, there is still 30 cm left, and it goes around the tree four times, with a difference of 40 cm. Excuse me: the circumference of this tree is () cm, and the length of the rope is () cm. 5 points
Step into life and solve problems: [* * * 29 points]
1, the school has a round flower bed with a circumference of 36 meters. If you put a pot every 3 meters, you need to put (? ) potted flowers. ? 5 points
2. Dinner for 76 guests (one round table 10 and one square table).
You can arrange () round tables and () square tables;
Or () a round table? The square table is the most reasonable and will not be wasted. 6 points
Class 3.3 (1) made flowers for kindergarten children, and * * * made 54 flowers, and girls made twice as many flowers as boys. ? 6 points
(1) the boy did (? ) flowers;
(2) Girls did (? ) A flower.
4, a basket of apples, the first time sold more than half of all 2, the second time sold less than half of the remaining 2, at this time there are still 28. This basket of apples used to have a * * * (? ) one. 6 points
The school held a "Welcome the Spring Festival" party, decorated the classroom and hung balloons around it. There are five kinds of balloons, as shown in the picture.
49 balloons are arranged in sequence,
(1) The last balloon is () color;
(2) There are () red and green balloons. ? 6 points
There are a batch of bricks on the construction site, including two on the top floor, six on the second floor and three on 10 (as shown in the figure). Each floor has four more bricks in turn than the previous floor. It is known that there are 2 106 bricks on the bottom floor. How many bricks are there in this pile?
7 1.？ Divide 100 branch into 10 heap. The number of sticks in each pile is odd, and one pile is 2 less than the other. How to divide it?
72.？ What is the sum of numbers between 100 and 200 that are not multiples of 3?
73.？ 1 1 ~ 18 is the sum of eight natural numbers, and the value obtained by adding 1992 is exactly equal to the sum of the other eight consecutive numbers. What is the smallest number among the other eight continuous natural numbers?
74、 1+2+3+……+ 100=
75, from 1 to 300, a * * * used (? ) 0.
76. Warehouse A stores grain 108 tons and warehouse B stores grain 140 tons, so that warehouse A stores three times as much grain as warehouse B. ) must be purchased from warehouse b (? ) tons into the warehouse.
77. Lixin Primary School held a sports meeting. The number of people who take part in the race is four times that of those who take part in the long jump, and 66 more than those who take part in the long jump. Who took part in the race? ()? Man, who took part in the long jump ()? People.
78. The chicken and the rabbit are in the same cage, *** 100 head, 320 feet. So, is there a chicken? (? ) only, does the rabbit have it? (? ) just.
79. Xiaoming is 2 years old and his mother is 26 years old. So? My mother is three times as old as Xiao Ming.
80. The police questioned three suspicious people, one of whom was a thief, and all he said was a lie. A person is an accessory, whether his words are true or not. The other man is a good man, and every word is true. When asked about the occupations of the three people in the query, the answer is:
? A: I'm a salesman, B is a driver and C is a graphic designer.
? B: I'm a doctor, and C is a shop assistant in a department store. Ah, if you ask him, he will definitely say that he is a pusher.
? C: I'm a shop assistant in a department store. A is a graphic designer and B is a driver.
Excuse me, who is the thief who tells lies among these three people? .
8 1, Xiao Zhang, Xiao Wang and Xiao Li practice basketball. A * * * voted 100 times and missed 43 times. It is known that Xiao Zhang and Xiao Wang * * * voted 32 times, and Xiao Wang and Xiao Li voted 46 times ()? Time.
82. There are five different Chinese books, six math books, three English books and two nature books. Take a book from it, * * * has ()? Take a method.
83. Use seven sevens to form four numbers, and add operation symbols to make the result equal to 100 (? )
84. Learn from Lei Feng's group to move bricks for the school. If everyone moves 18, there are 2 pieces left; If everyone moves 20 yuan, a classmate will have no bricks to move. * * * Is there ()? A brick.
85. The distance between Port A and Port B is 360 kilometers. It takes 35 hours for a ship to travel between two ports. It takes five hours more to sail against the current than against it. At present, there is a sailboat with a speed of 12 km per hour. This motorized sailboat needs (? ) hours?
86. It takes 23 seconds for a train to pass through a 342-meter tunnel, and then it takes 17 seconds to pass through a 234-meter tunnel. This train mistakenly overtook another train which is 88 meters long and 22 meters per second. ) seconds?
87. Fill in the operation symbols to make the equation hold.
1 ? 13 ? 1 1 ? 6=24 ? 1 ? 2 ? 3 ? 4 ? 5= 1
88. Fill in the figures according to the law
( 1)? 1,4,7, 10,(),? (), 19。
(2)? 1,2,2,? 4,? 3,8,? (),? (? )。
(3)? 0, 1,4,9,? (? ),25,()。
(4)? 0, 1, 1,2,? 3,5,8,()。
(5)? 2,6, 18,? 54,(),? (? )。
89. Each item in the following series is represented by an array of three numbers, which are:
( 1,4,9? ), (2, 8, 18), (3, 12, 27) So the three numbers of the 50th array are (,? ,? )
90. Calculate the following questions.
1+2+3+4+……+29+302 1+22+23+……30+3 1+32
5+ 10+ 15+……90+95+ 100? 1+3+5+7+……47+49
9 1, Xiaoming has to walk 30 steps from the first floor to the third floor, so how many steps does he have to walk from the first floor to the fifth floor?
92. In the division formula, -7 = 5...-, what is the maximum dividend?
93. Observe first, then fill in the blanks.
3×4= 1233×34= 1 122? 333×334= 1 1 12223333×3334=()
33333×33334=()3? 3……3? 3×3? 3……? 3? 4=(? )
100 399 3
94. Square and circle are divided by the same number, square is divided by 12, circle is divided by 15, and the quotient of square division is 32 and 6. What should be the result of rounding calculation? (8 points)
95. Xiaohong keeps some chickens. Yellow chickens are more than black chickens 13 and less than white chickens 18. The number of white chickens is twice that of yellow chickens. How many white chickens, yellow chickens and black chickens are there? (8 points)
Among the students who won the math competitions in Grade 96 and Grade 3, there were 2 more boys than girls, and 2 more girls than boys. How many boys and girls have won this prize? (8 points)
97. To celebrate Children's Day on June 1st, five female students made paper flowers, and each made five on average. It is understood that each student made a different number, and one of them did it fastest. How many flowers did she make at most? (Explain arithmetic briefly) (10 score)
98. A string of beads is arranged in the order of 3 black beads, 2 white beads, 3 black beads and 2 white beads. Q: What color are the beads ① 14? ② 1998 What color are the beads? (10)
99. Cleverly add symbols.
( 1)6○6○6○6= 1? (2)6○6○6○6=2
(3)6○6○6○6=3? (4)6○6○6○6=4
100, think, calculate and fill in.
(1) 18 times 5 16 writing (? ), can also be read as (), indicating (? ) (? What's the total?
(2)5□4×6≈3000, □ can be filled in (? )。 3□9 1÷5≈700, □ can be filled in ().
(3) From 192 1 year, the China * * * production party was born, to 1949+00 year, People's Republic of China (PRC) was founded, * * *. ) a few months.
(4) Xinhua Bookstore opens at 9: 00 a.m. and closes at 5: 30 p.m. The business hours are (? ) hours (? ) points.
(5) Xiaodong bought a 20-meter-long wire, and 20 meters refers to the wire (). A plywood is 2 square meters, and 2 square meters refers to plywood (? )。
(6) The perimeters of a square and a rectangle are equal. ) the area is very large.
(7)□×△=36,□÷△=4,□=(? ),△=(? )。
(8) There are five Sundays in September of a certain year. This September 1 is not a Sunday, but a week (? )。
(9) If everyone walks at the same speed and it takes two hours for three people to walk from A to B together, it takes two hours for six people to walk from A to B together. ) hours.
(10) Team A and Team B played a basketball game. Results The total score of the two teams was 100. Now we know that Team A added 7 points more than Team B 1 point, so Team A originally got (? ) points, team b won (? ) points.
?