Class: seat number: name: result:

Fill in the blanks. (18)

() in 1 and 1 and () in 1%.

2. 25 minutes = 3.04 tons per hour = () tons () kilograms.

3, a bag of rice is exactly 30 kilograms, and this bag of rice weighs () kilograms.

4, a number is equal to 60% of 30, this number is ().

5、 ÷ = = =( )%=( )∶50

6.2: 0.75 The simplest integer ratio is (), and its ratio is ().

7. There are 90 students in the sixth grade, and the ratio of male to female is 5∶4. There are () male students and () female students.

8. Circle a wire with a length of 6.28 decimeters into the largest circle with an area of () square decimeters.

9, a ring, the radius of the inner circle is 5 cm, the radius of the outer circle is 7 cm, and its area is () square cm.

Second, the judgment question. (Tick "√" in brackets for correctness, tick "×" for error, ***5 points)

1, divided by a number, is to expand this number by 8 times. ( )

2. Tons weigh 75% of 800 kilograms. ( )

3. For a commodity, first reduce the price by 10%, then increase the price by 10%, and the commodity price will remain unchanged. ( )

4. The perimeters of two circles are equal, and the areas must be equal. ( )

5. The nail used 5 kilograms, and used kilograms, and used kilograms twice. ( )

Third, multiple choice questions. (Fill in the serial number of the correct answer in brackets, 10)

1, the current cost is lower than the original cost 15%, and the current cost is original ().

① 15% ② 85% ③ 1 15%

2. The oil yield of one peanut kernel is 38%, and 1000 kg of peanut kernel can squeeze () kg of oil.

① 380 ② 1380 ③ About 238 1

3. A graph with only one axis of symmetry is ().

① Square ② Isosceles Triangle ③ Circle

4. The radius of the circle is enlarged by 3 times and the area is enlarged by () times.

① 3 ② 6 ③ 9

5. Dissolve 20g salt in 100g water, and the simplest ratio of salt to brine is ().

① 20∶ 100 ② ③

Fourth, the calculation problem. (38 points)

1, a number written directly. (8 points)

1- = + = 6× = ÷ 12=

× = ÷ = 500×3%= ÷ =

2. Solve the equation. (4 points)

x= x- =

3. Calculate the following questions as simply as possible. (16)

①15× (2 points) ②30×(-)

③ × + × ④ 10-( + ×2)

⑤ ( + × )÷ ⑥ [( - 1)÷ ]×

4. One number is 48. How much is this number more than 48? (4 points)

5. There is a sports ground (as shown below) with semicircular ends and a rectangle in the middle. Please calculate the perimeter and area of this sports ground. (Unit: meter) (6 points)

Sixth, the application problem. (29 points)

There are 1 and 120 students in the fifth grade, and there are more students in the sixth grade than in the fifth grade. How many students are there in the sixth grade?

2. A vegetable base harvested 8 tons of vegetables in February, 65438 * *, in which the weight of cabbage is the weight of radish. How many tons of radish did this vegetable base harvest in 65438+February?

3. A TV set, original price 1200 yuan, current price 1080 yuan. What percentage is the current price lower than before?

There are 225 pairs of leather shoes in the shop, of which the number of men's shoes is equivalent to that of women's shoes. How many pairs of men's and women's leather shoes have been bought in the shop?

On New Year's Day last year, Li Ming deposited 200 yuan's deposit in the bank for three years, and donated the after-tax interest to the "poor students" in poverty-stricken areas. If the annual interest rate is calculated at 2.43%, how much can he donate at maturity?

Volume b

First, fill in the blanks. (3 points for each question, *** 12 points)

1、 + + = ×( )= ×( )

2. A highway was built in180m, accounting for the total length. The total length of this highway is () meters. If you repair 360 meters, it is the whole length.

3. Two-digit numbers. One digit is ten digits. There are () such figures, namely ().

4. It takes 4 minutes for Party A and 5 minutes for Party B to make a part, and the working efficiency of Party A is ()% of that of Party B..

Second, the application questions (6 points for each question, *** 18 points)

1. It takes 10 days for a team to complete a project alone, and 15 days for a team to complete it alone. If Team A does it alone 1 day, how many days will it take for the rest to be completed by two teams?

2. You can choose one of the information (conditions) provided to you by Group A and Group B below, and then match it with a question you ask, thus compiling a score (percentage) application question. Please fill in the application questions on the horizontal line and then solve them.

Group a group b

There are 20 boys in Class One, Grade Six, and the number of girls is the number of boys.

There are 16 girls in Class 1, Grade 6, and girls are 20% less than boys.

The number of girls in the class

There are 25% more boys than girls.

The number of boys in the class

3. Xinhua Bookstore sent back a batch of literature and art books and science and technology books, among which literature and art books accounted for the total, 2 100 more than science and technology books. How many books of art and technology have been returned by Xinhua Bookstore?