(Time 100 minutes, full mark 100 minutes)? Score _ _ _ _ _ _ _

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1. Fill in the blanks (***20 points, including 2 points for 1 question and 2 points for the second question, each being 1 point).

1.3 tons = (? ) tons (? ) 70 minutes per kilogram = () hours.

2、( )∶( )=? =80%=(? )÷40

3、(? ) tons are 30 tons, and 50 meters is more than 40 meters ()%.

There are 48 students in Class 6 (1) today, and two of them are on leave due to illness. What is the attendance rate of the students in Class Six (1) today? )。

The ratio of 5, 0.8: 0.2 is (? ), the simplest integer ratio is (? )

6. The number of students in a class is between 40 and 50, and the ratio of male to female is 5: 6. There are boys () and girls () in this class

7. From City A to City B, it takes 5 hours by truck and 6 hours by bus. The simplest ratio between the speed of the truck and the speed of the bus is ().

8. Master Wang earns 2000 yuan a month.

According to the new national tax law, the portion exceeding 1600 yuan is subject to 5% personal income tax.

Master Wang's actual monthly salary is () yuan.

9. Xiaohong drives kilometers an hour, she drives () kilometers an hour, and it takes () hours to drive 1 kilometer.

10. Use a rope with a length of12.56m to form a circle. The diameter of this circle is () and the area is ().

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1 1. On a rectangular iron plate with a length of 10 decimeter and a width of 5 decimeters, at most () circular iron plates with a diameter of 2 decimeters can be intercepted.

12, please fill in the appropriate graphic name in brackets according to the number of graphic symmetry axes.

Circle, (), (? ), rectangle.

Two. Judgment (5 points, mark "√" correctly and "×" wrongly)

1, 7 meters is as long as 8 meters.

…………………………………()

2. The areas of two circles with equal perimeters must also be equal.

………………… ()

3, and 1% are fractions with denominator of 100, and their meanings are exactly the same.

( ? )

4.5 kg of salt is dissolved in 100 kg of water, and the salt content of brine is 5%.

……( )

5. The previous item of the ratio increased by 10%. To keep the proportion unchanged, the latter term should be multiplied by 1. 1.

……………( )

III. Choice (5 points, fill the serial number of the correct answer in brackets)

1, if a is a non-zero natural number, the largest calculation result in the following formula is ().

A.？ a ×？ B? Huh? c . a \d . a

2, a rope cut into two sections, the first section is meters long, the second section accounts for the whole length, compared with the two sections (? )。

A.？ The first paragraph is B. The second paragraph is C. The length is the same, and D. It cannot be determined.

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3. The forest farm planted 10000 seedlings last year, of which 1000 seedlings were randomly selected at the end of the year, with a mortality rate of 2%.

You predict that the survival rate of these saplings planted in the forest farm is ().

A.？ 20%? B. 80% C？ 2% ? D. 98%

4, a farm, raising 1200 ducks, raising more chickens than ducks, how many more chickens than ducks? The correct formula is ()

A. 12000×b . 1200+ 12000×c . 1200- 12000×？ D. 1200 small?

5. To cut a circular paper with an area of 12.56 cm2, at least a square paper with an area of () cm2 is needed (π is 3. 14).

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A. 12.56 B？ 14? C. 16

Four, the calculation problem (***35 points)

1, write the number of 5 points directly.

÷3= × 15= 2-=? 1+2%=?

? ÷= 5÷=? ×75% =? ×4×=

+×=? ×99+99×=

2. 9 points for solving equation

X-X=？ X \ = 15×40% X-=

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3. How to calculate the score of 12 is as simple as the following questions.

×-÷? 1-÷-

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(+×)÷÷[(+)×2]

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4, column comprehensive formula or equation calculation 6 points

1, 20% of a number is 100, what is this number? 2. A number is less than 20 times 4. What's this number?

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Verb (abbreviation of verb) drawing (4 points)

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Draw the following points in the picture on the right and connect them in turn:

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A( 1，0)、B(3 1)、C( 1，4)、

D(4，2)、E(7，4)。

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VI. Application Problems (***3 1 min)

1, only column types are not counted (8 points):

Wangzhuang Coal Mine produced 2.5 million tons of coal last year, an increase of 250,000 tons this year.

What percentage has the output increased?

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(2) The original story book of 20 yuan is now sold at 10% off the original price.

What's the current price?

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③ Repairing a batch of books, 30 books have been repaired, accounting for 25% of the number of books that have not been repaired.

How many books are there in this batch?

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2. Answer the following questions completely (***23 points, including 3 points for the fifth question and 4 points for each other question):

Hong Guang Soap Factory produced 45,000 boxes of soap in February, 65438. Is it in production?

How many boxes of soap are planned to be produced in 65438+February?

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② A highway maintenance team plans to build a highway with a length of 1200m.

15% of the full length was repaired in the first week, and the full length was repaired in the second week.

How many meters is the first week less than the second week?

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③ The school has 180 basketball, football and volleyball. It is known that the ratio of basketball, football and volleyball is 5: 4: 3. How many balls are there?

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Chicken and rabbit live in the same cage, with 25 heads and 80 legs. How many chickens and rabbits are there?

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(5) Sixth-grade students sign up for math interest groups, and the total number of students participating is sixth-grade students. Later,

There were 20 participants, and the ratio of students who participated and did not participate was 3: 4.

How many people are there in Grade One and Grade Six?

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There are 40 students in class 6 (1). Here are some statistics of their favorite drinks. what kind of drinks do you have?

How many people like it?

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Answers to the final exam of mathematics in the first volume of the sixth grade

1. Fill in the blanks (***20 points, including 2 points for 1 question and 2 points for the second question, each being 1 point).

1、? 3 500 7/6? 2、? 4 5 50 50

3、? 10 25? 4、? 96%?

5、? 4 4: 1 6、? 20 24

7、? 6:5 8、 20

9、? 15/8 8/ 15? 10,4m? 12.56 m2

1 1, 10 12, squared? equilateral triangle

Two. Judgment (5 points, mark "√" correctly and "×" wrongly)

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1、? × 2、? √? 3、? ×? 4、? ×? 5、 √

III. Choice (5 points, fill the serial number of the correct answer in brackets)

1、B？ 2、A？ 3、D 4、A？ 5、C

Four, the calculation problem (***35 points)

1, write the number of 5 points directly.

2/7 9 1 and 4/7? 1.02? 5/4 15/2 1 4? 1/3? 99

2. 9 points for solving equation

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( 1)? X= 1/ 10？ (2)? X=5/4 (3) X=25/ 12

3. How to calculate the score of 12 is as simple as the following questions.

( 1)? 5/4 (2) 1 ( 3 ) 14/ 15 (4)? 4/ 1 1

4, column comprehensive formula or equation calculation 6 points

1、 12? 2、 128/5

Five, painting (4 points)

VI. Application Problems (***3 1 min)

1, only column types are not counted (8 points):

1、? 25÷250? 2 、 20×90%? 3、30÷25%+30? 4 、5000×2×2.7%

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2. Answer the following questions completely (***23 points, including 3 points for the fifth question and 4 points for each other question):

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1.75 million boxes, 2220 meters? 3.75 basketballs? 60 footballs? Volleyball 30.

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4、? Chicken? 10 rabbit 15 rabbit? 5、? 2 10 people

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6. orange juice 12 coke? Eight people? Mineral water for four people? Milk 16 people

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Not this one