1.6 hectares = () square kilometers 1.25 hours = () minutes.

2. A cylindrical wood is 4 meters long. When it is sawed into three sections, the surface area is increased by 12 square decimeter, and the volume of this wood is () cubic decimeter. If it takes 3 minutes to saw into 3 segments, it takes () minutes to saw into 6 segments.

3. The mouse and the cat jump at the same time, and the time for each jump is the same. The mouse jumps 3 squares at a time, the cat jumps 4 squares at a time (see the right picture), and the cat catches up with the mouse at the () grid.

4. The lyrics in "Birthday Song" are: Happy Birthday to you ... According to this rule, the 59th word is ().

5. A batch of books were distributed to Class One, Grade Six, with an average of 0/2 copies per person. If it is only distributed to girls, each person can get an average of 20 copies; If it is only distributed to boys, everyone will get () copies on average.

6. The following is the profit and loss statistics of a supermarket from 20 1 1 to May. It is known that the profit in February was 880,000, the loss in March was 40,000, the loss in April was 52,000, and the profit in May was 450,000. Fill in the form completely.

Month 1 2345

Profit and loss/ten thousand yuan +60+88-4

7. Divide the 5-meter-long wire into 6 segments on average, with each segment being full-length () and each segment being long ().

8. You can take a bus and a boat from A to B, and a train, a bus and a plane from B to C. Then, there are () ways to get from A to C.

9. The height of cylinder and cone is 15cm, and the bottom area of cone is 120cm2. When the bottom area of cylinders is () cm2, their volumes are equal.

10. As shown on the right, cut the cylinder with the height of 10 cm into several equal parts.

Put together an approximate cuboid. The surface area of this cuboid is larger than that of the cylinder.

More than 40 square centimeters, the volume of the cylinder is () cubic centimeters.

1 1. According to the statistics of official website Expo, as of June 20 10, 19, 17, the total number of visitors to the Expo Park has reached 16207730. The number on the horizontal line is read as (), rounded to ten thousand places, which is about () ten thousand people.

12，58km = () m 1.080t = () t () kg。

13, someone's ID number is 429016199208170094, and this person's date of birth is ().

14 As shown above, put five hexagons with () stick, so put them down. 15 1 stick can put () hexagons.

Two, true or false (7 points)

1, rectangle, square and trapezoid are special parallelograms. ( )

2. I hope there will be 100 students in the sixth grade of primary school one day, and three people will take time off. On this day, the attendance rate of grade six is 97% ()

3. For an isosceles triangle, the degree ratio of three internal angles is: 1: 1:2, and the degree of one vertex is 45. ( )

The original price of a commodity is 100 yuan. First raise the price by 10%, and then lower the price by 10%. The current price is 99 yuan.

If the cross-sectional areas of two cylinders are equal, their volumes are equal. ( )

6. Li Jun poured 640 ml of water into four small cups and 1 large cup, which was just full. The capacity of a small cup is 14 of that of a large cup. The capacity of this mug is 320 ml. ( )

7. Any point on the car tire is translating.

Three, multiple choice questions (5 points)

1, the average class of grade six in bright primary school is 5 1.4, and there are () classes in grade six.

a、8 B、6 C、4 D、5

2. 1 The oil drum can hold 5 liters of cooking oil, which means that the () of the oil drum is 5 liters.

A, volume b, surface area c, volume d, weight

3. The doctor should chart the changes of patients' blood pressure. The best choice is: ()

A, bar chart b, line chart c, fan chart

4. The age of students in a science and technology interest group is 1 1, 12,1,14, 12,/kloc. Then the following statement is correct: ()

A the average value of this set of data is 1 1, the mode is 1 1, and the median value is 13.

B, the average of this set of data is 12, the mode is 1 1, and the median is 1 1.5.

C, the average of this set of data is 12, the mode is 14, and the median is 12.

D, the average value of this set of data is 12, the mode is 1 1, and the median is 14.

5. How many percentage points has the price of green vegetables dropped from yesterday's 0.5 yuan to today's 0.4 yuan? Correct formula ()

a 、( 0.5-0.4)0.5 B 、( 0.5-0.4)0.4 C、0.5 0.4

Fourth, calculation

1, write grades directly (8 points)

0.4÷0.8= 9.8-4.8= 24×25= + =

(estimated) 378+4 14=+= (+)×4= 6× ÷6× =

2. Calculation of parting (simple calculation is enough) (12)

2.5×( 1.9+ 1.9+ 1.9+ 1.9) 7.05-3.84-0. 16- 1.05

25× 12-850÷ 17 ×9-8÷

3. Clever password: (6 points)

4+0.7X= 102 :=X:

Five, analysis and statistics, I am the best (6 points)

The following are the statistics and charts of five shuttlecock kicks by Xiao Li and Xiao Ming respectively.

Times 1, 2, 3, 4, 5.

Quantity (unit) 10 13 25 20 30

1, according to statistics. Please draw the dotted line of Xiaoli kicking shuttlecock in the following statistical chart according to the legend.

Statistics of Xiao Li and Xiao Ming kicking shuttlecock five times (20 1 1)

2. Look at the picture and answer the following questions.

(1), two people kick shuttlecock as many times/

(2) Generally speaking, who plays shuttlecock better? (briefly explain the reasons)

Six, solve the problem (1-6 questions, each question 4 points, 7-8 questions 6 points)

Shanghai World Expo 1 and 20 10 weekday tickets. The discount ticket price is 90 yuan, which is 40% cheaper than the ordinary ticket. How much is the regular fare?

2. Mr. Wang deposited 5000 yuan in the bank for three years at an annual interest rate of 2.5%. Please help Mr. Wang to calculate the principal and interest at maturity.

3. Cone-shaped wheat pile, with bottom circumference of 3 1.4m and height of 2m. If each cubic meter of wheat weighs about 0.8t, how many tons does this pile of wheat weigh?

Xiao Ming said: This year his age is three years younger than his grandfather's age of 27. Xiao Ming is known to be 15 years old this year. How old is grandpa? (column equation solution)

A piece of cloth is 29 meters long, which is just enough to make 8 sets of adult clothes and 6 sets of children's clothes. Known children's clothing 1.5m, adult clothing 1.5m/

6. Xiaohong reads a book. On the first day, she read 30% of the whole book, and the next day, she read 20% of the whole book. At this time, there are still 36 pages left to read. How many pages are there in this book?

Xiaoxiao made a cake for her mother's birthday. The shape of the cake is cylindrical, with a base diameter of 30 cm and a height of 10 cm.

(1) How big is the cake?

(2) Can you put it in the cake box as shown? Please provide a justification for the answer.

(3) The salesman tied it with a red ribbon (as shown in the picture) and tied the silk used.

How long is this belt? (Joint part 30cm)

My mother asked me to buy watermelons. If my boss helps me choose a kilogram 1 yuan, I choose 0.7 yuan myself, and I choose three, * * * 10 kg, and their weight ratio is 8:7:5. Take it home and cut it. If one of them is not ripe and delicious, please help me calculate. Did I lose money on watermelon this time?