1.( )÷ 12= 1:( )=3/( )=0.5=( )%

2. Rewrite 0. 1.3 million into a number with "one" as the unit. This number is () and is pronounced as ().

3. Fill in the appropriate unit name in brackets.

(1) The egg weighs 50 (); (2) The length of a piece of chalk is close to1();

(3) China's land area is about 9.6 million ().

4. There are 5 tons of coal in the canteen, burning 1/5 tons every day on average, which can burn for () days.

The 2008 Olympic Games will be held in Beijing, China on () this year.

6. If 2a=b/3, then a:b= (): ()

7. There is a machine part 5 mm long and 2 cm long on the design paper. The scale of this picture is ().

Our great mathematician () is the first person in the world to calculate the value of pi to 7 decimal places.

9. Xiaodong, Xiaoming and Xiaojun practice playing table tennis on the same table. They took turns playing for an hour, with an average of () minutes each.

10. A rectangular red paper with a length of 1 1 cm and a width of 8 cm should be cut into triangular red flags with right-angle sides of 4 cm and 2 cm respectively, which can be cut into a * * * surface ().

1 1. Make a cylindrical uncovered bucket with an iron sheet of at least () square decimeters, with a bottom diameter of 6 decimeters and a height of 8 decimeters, which can hold () liters of water at most.

12. For the same notebook, the original price of each book in two shopping malls, A and B, is the same, but "six? On Children's Day on June 1st, Shopping Mall A implements the sales of "buy ten get one free", and Shopping Mall B can enjoy the "10% discount". For consumers, it is cheaper to buy in () shopping mall.

Second, judge right or wrong. Mark "√" correctly and "×" incorrectly. (65438+ 0 point for each small question, ***5 points)

The sum of () 1 18 82+0 is 100.

() 2. 1 liter of water is as heavy as 1 liter of gasoline.

() 3. The sum of three consecutive natural numbers must be divisible by 3.

() 4. 88 seeds were used in the experiment, all of which germinated, and the germination rate was 88%.

() 5. The areas of two rectangles with equal perimeters must also be equal.

Choose the code of the correct answer and fill in the brackets. (65438+ 0 point for each small question, ***5 points)

1. The total number of days in a year () is 62 days.

A. March and April B. July and August C. August and September d. 165438+ October and 65438+ February

2. 1.0 1 meter means ().

A.101MB.1m1decimeter C.1m1cm d.1m1mm.

3. The diameter of the wheel is fixed, and the driving distance is directly proportional to the () of the wheel.

A. dimension B. area C. circumference D. number of revolutions

4. The factorization factor of natural number A is a=2×3×5, so A has () divisors. ..

A.3 B. 6 C. 7 D. 8

The picture below shows four doors made by carpenters, and the door () is the strongest.

Fourth, the operation questions. (4 points)

Please draw a parallelogram in the grid diagram below, and then draw a triangle with the same area.

The parallelogram you drew: the bottom occupies () lattice and the height occupies () lattice;

The triangle you drew: the bottom accounts for () and the top accounts for ().

Fifth, look at graphic calculation. (3 points for each small question, ***6 points)

1. The following is a statistical chart of office expenses of a school in 2005.

(1) Fill in the appropriate figures in () of the statistical chart.

(2) The annual average monthly office expenditure is () yuan.

(3) The office expenses in the fourth quarter increased by ()% compared with the second quarter.

2. Calculate the area of the upper trapezoid.

Sixth, calculation. (30 points)

1. parting calculation. (2 points for each small question, ***8 points)

①9 1-9 1÷ 13 ②6÷0.5×4

③ 1-0. 125÷ 1/8 ④(5/8+ 1/2)÷25%

2. Use a simple method to calculate. (Write the main process) (2 points for each small question, 8 points for * * *)

①4.2- 1.8+0.8 ②2- 3/4- 1/4

③ 1 18÷25 ④ 4.2× 97+ 12.6

3. Find the value of unknown х. (2 points for each small question, ***8 points)

① χ+2/3=2 ② 1 1 1χ=3

③ χ/5- 13=0 ④ 1.2:χ=4/3

4. Column calculation. (3 points for each small question, ***6 points)

① What's the difference between125 and its15? ② A number whose 1/4 is 1.2 is greater than 2.8,

Did you find this number?

Seven. Solve practical problems. (6 points for each small question, ***30 points)

1. There are 273 female workers and 9 male workers in a garment factory. How many times are there more female workers than male workers in this factory?

Li Li read a comic book. On the first day, she read 1/3. The next day, I read 1/2 of the whole book, which was exactly 60 pages. How many pages did you read on the first day?

3. In order to recycle empty beer bottles, a brewery stipulates that every three empty beer bottles can be exchanged for 1 bottle. One day, Li Shifu bought two cases of 24 bottles of beer. After drinking, he replaced the empty bottle with beer. How many bottles of beer does Master Li Can drink at most?