Final examination paper and answer of mathematics in the first volume of the sixth grade

First, think carefully and fill in carefully. (24 points)

The reciprocal of 1 and 0.25 is (), the reciprocal of the smallest prime number is (), and the reciprocal of ().

2. The word "Spring" appears in the poem, accounting for ()% of the total words in the poem.

3: The simplest integer ratio is (), and the ratio is ().

4.= = (): 10 = ()% = 24 ÷ () = () (decimal)

5. You are in the () row and () column of the classroom. Use a pair of numbers to indicate that your position is (,).

6.0.523, 0.53% and 0.5, the largest number is (), and the smallest number is ().

7. In Xiao Ming's piggy bank, there are coins with 50 cents and 1 cent * *18, and one coin has 5 yuan. Then there are () 50 cent coins and () 1 cent coins.

The following is a statistical chart of sixth-grade students' eyesight in our school.

(1) There are 76 people with normal vision and () people with myopia.

There are () people with pseudomyopia.

(2) Students with pseudomyopia are less than those with normal vision.

(3) The ratio of students with normal vision to students with abnormal vision is ().

9. According to China's regulations, personal income tax shall be levied at the rate of 5% for those whose monthly income exceeds 2,000 yuan. Xiaohong's mother earns 2360 yuan a month and should pay personal income tax () yuan a month.

10. In math class, Xiaolan cut a piece of circular paper with an area of 9.42 square centimeters. You can guess that she should prepare at least () square centimeters of paper.

Second, distinguish the truth with sharp eyes. (5 points)

1、 15÷(5+ )= 15÷5+ 15÷ =3+75=78.( )

2. A ton of coal was used, and it was shipped here again. Now the coal is still 1 ton. ()

3. Two circles with the same radius have the same shape and size. ()

Xiaohua's weight is equal to Xiaoming's, and Xiaohua is heavier than Xiaoming. ()

5. The right pictures are all axisymmetrical. ()

Three. Happy A, B and c(5 points)

1. The original price of a commodity is 200 yuan. After the price increases by 15%, the price decreases by 15%. Current price () is the original price.

A, higher than B, lower than C, equal to D, incomparable.

2, grandpa cut a wire into two sections, the first section is meters long, the second section accounts for the whole length, then ()

A, the first paragraph is B, the second paragraph is C, and the two paragraphs are as long as D, so it is impossible to judge.

3, a cup of salt water, salt accounts for the proportion of salt water, the ratio of salt to water is ()

a、3: 17 B、 17:3 C、3:20D、20:3

4. The circular flower bed has a radius of 3m, and a gravel road with a width of 1 m is paved around the flower bed, with an area of () m2.

a、28.26 B、50.24 C、 1.98D、2 1.98

Last year, the price of gasoline per kilogram was in 5.5 yuan. Compared with the same period last year, the price of gasoline has increased by 10% this year. What is your understanding of the word "increase"?

What's the sales price this year? B, what was the selling price last year?

C, the price this year is a few percent higher than last year, and last year's price is a few percent lower than this year.

Fourth, relax.

1. orally calculate the following questions. (4 points)

÷8 = × = 5÷ = 3+3÷7=

× 15= 10÷ 10% = 28×75% = ×8× =

Please solve this equation. (6 points)

5X-3× = + X=

3. Do it the way you like. (12)

× × - ×58+ ×4 1+

× + ÷ ÷[( - )÷ ]

4. Column calculation. (8 points)

(1) plus the quotient of division, then multiplied by the sum, (2) 20% of a number plus the sum is 2,

What is the product? Find this number. (according to the equation)

Verb (short for verb) the world of practice.

1. In the square in the figure, the part of 12.5% is shaded. (2 points)

2. Turn a circle into an approximate rectangle. It is known that the circumference of a rectangle is 4 cm more than that of a circle. (1) Please try to draw this circle. (3 points) (2 points) Please calculate the area of this circle. (3 points)

6. Mathematics and life. (28 points) (1 and 4 points for 2 questions, and the remaining 5 points)

1, all 50 homework assignments in the class were handed in, but the teacher said that two homework assignments were wrong. Do you know the correct rate of this assignment?

2. The slogan of an instant noodle reads "25% free of charge." Now the weight of a bag of instant noodles is120g. Do you know how many grams it is before the number of gifts?

Xiaoming and Xiaogang go home by taxi. When the journey was over, Xiao Ming got off. Xiaogang didn't get off the bus until the end. They both paid the fare, 25 yuan. What do you think is the most reasonable payment method for Xiaoming and Xiaogang? Please explain the reason with mathematical knowledge.

For the sake of drinking water hygiene, the school is going to give each student a special cup. Each cup is priced at 2 yuan. Which store do you think is cheaper to buy? How much cheaper is each cup?

Can you help Uncle Zhao to calculate how much principal and after-tax interest he will get according to the following deposit slip?

China Rural Credit Cooperative Zhengzhou Rural Credit Cooperative () deposit receipt

Account (loan) voucher number. June 5438, 2003+February 65438 +00:

Seed storage: the current account is fixed at √ zero, the whole account is kept in the notice account, and the education account is kept in the one-card account. Others-

client

Fill in account name: Zhao Daming Jin.

Term: 5 years, amount 1 100 million yuan.

be filled/suffused/brimming with

2 5 0 0 0 0

Deposit amount: two thousand Wu Bai Yuan only.

Credit cooperatives fill in account name: Zhao Daming Term: 5 years, annual interest rate: 2.28%.

Kaben account number: 3 128643 balance: outlet number: serial number:

Deposit date: 65438+February 2003 10 Maturity date: 65438+February 2008 10 Operator: 0 1.

6. When the bus101arrives at Yanhuang Square, some passengers get off and 14 people get on. At this time, there were 30% more passengers on the bus. How many passengers are there on the bus?

It's done, you're amazing! Do you want to check it again?

Answers to the final questions of the first volume of sixth grade mathematics (People's Education Edition)

First, think carefully and fill in carefully. (24 points)

1、4 1/2 3/7

2、25%

3、3:4 3/4

4、20 6 60 40 0.6

5. The answer is not unique.

6、6/ 1 1 0.5

7、8 10

8.( 1)60 people, 64 people. (2) 12 people. (3) 19:3 1

9 18 yuan.