The final examination paper of the first volume of sixth grade mathematics (1)
First, fill in the blanks. (22 points)
1. The car speed is equivalent to the train speed, and the unit "1" is ().
There are 25 boys and 30 girls in Grade Five. The proportion of boys in the class is (), the proportion of boys in girls is (), and the proportion is ().
3. The diameter of a circle is 10 cm, the circumference is () and the area is ().
4. 16 is ()% of 20, ()% more than 16.
5.( )÷5 = = 0.8 =( )% = 16:( )。
60% of 6.80 is (); 80% of () is 60.
7. In 5: 4, if the former item is added with 10, the ratio should remain unchanged, and the latter item is added with ().
8. The spelling of12.53% is (), and the decimal number is ().
9. The fan chart can be ().
10. Cut the largest circle from a square paper with a side length of 10 decimeter. The circumference of this circle is () decimeter and the area is () square decimeter.
1 1. When x = (), the ratio of x is just the smallest prime number.
12. Divide a circle with a diameter of 4 cm into several equal parts, then cut it open and put it together as shown on the right. The perimeter of the combined figure is () cm longer than the original circle.
Second, judge. (5 points)
1. The ratio of boys to girls in one class is 7: 8, and boys account for the whole class. ( )
The circumference of a circle with a radius of 2 cm is equal to its area. ( )
3.A is more than B, which means B is less than A .. ()
4. A batch of trial-produced products, 120 pieces are qualified, 30 pieces are unqualified, and the qualified rate is 80%. ( )
The ratio of circumference to diameter of all circles is equal. ( )
Third, choose the serial number of the correct answer and fill it in brackets. (5 points)
1. A number is 18, B number is 18, and A number is () B number.
A is greater than b and less than c, equal to
2. Add hundreds of semicolons after the number A (A is not equal to 0), and the number will be ().
A, expand 100 times b, reduce 100 times c, unchanged.
3. Mr. Wang has deposited 3,000 yuan in the bank with a fixed term of 2 years and an annual interest rate of 2.25%, and will receive the principal and after-tax interest of * * * () yuan at maturity.
a、3000 B、3 108 C、 108
4. The figure with the least symmetry axis is ().
A, circle b, rectangle c, square d equilateral triangle
5. There are two circles. The radius of the big circle is 5cm, and the radius of the small circle is 4cm. The area of the small circle is the area of the big circle ().
A, b, c, time
Fourth, calculation. (34 points)
1. Write the number directly. (6 points)
×8 = ÷2 = ÷ = × =
× = 1÷ = ÷60%= × 15=
- = 6.8÷ 10%= 4.5+ = × =
2. Calculate as simply as possible. (18)
4- - ×58+42÷8
36×(+ - ) ( 15- 14×)× ÷ - ÷
3. Solve the equation. (6 points)
X \ = X-40% X = 3
4. Simplify the following ratios. (4 points)
( 1) 12 : 144 (2) (3) 3.6 :7.2 (4):
Fifth, practical operation. (10)
1. Draw a rectangle with a length of 3 cm and a width of 2 cm, then draw a circle with the width as the radius, and finally calculate the overlapping area of the two figures.
2. Draw the following points in turn to form a closed figure, and then draw its axisymmetric figure according to the axis of symmetry.
0 1 2 3 4 5 6 7 8 9 10
10
nine
eight
seven
six
five
four
three
2
1
A(2，9) B(0，3) C(5，2)
Sixth, solve the problem. (24 points)
1. Qianjin Township plans to dig a 300-meter-long canal, which has been dug. How many meters are left to dig?
2. Grade 6 students 160, 120 meet the national physical exercise standards (children's group). What is the success rate of sixth grade students?
3, there are 250 kilograms of flour, rice is more than flour, how many kilograms of rice?
There are 450 students in Dongfeng Primary School, and the number of girls is the number of boys. How many boys and girls are there in this school?
5. Deposit 300 yuan's money in the bank at an annual interest rate of 12.35%. How much interest can I get after half a year? (Interest tax 20%)
6. The circular flower bed of Xicheng Greening Square, with perimeter 18.84m, and what is the flower bed area?
Examination paper (2)
I. Fill in the blanks:
1, kg = () g 40 minutes = ()
2, the reciprocal of 2 is (), () and 0.75 are reciprocal.
3. 16 meter is () meter, 50 is more than 40 ()%, and 20% of 250 is ().
4.= (): 40 = ()% = () (decimal)
According to multiplication formula:, please write two division formulas.
( )÷( )=( ) ( )÷( )=( )
6, 6.4: 0.08 Simplified to the simplest integer ratio is (), and the ratio is ().
7. A circle has a radius of 2 meters, a diameter of () meters, a circumference of () meters and an area of () square meters.
8, the silver part of the CD is a ring, the radius of the inner circle is 2cm, the radius of the outer circle is 3cm, and the area of the ring is ().
9. The China Long March launch vehicle was launched 70 times, of which only 7 times were successful, with a success rate of ()%.
10. When Mr. Chen buys a house with a total price of 600,000 yuan, he has to pay 1.5% of the house deed tax, and the deed tax has to pay () yuan.
Second, judge the following questions, draw "√" in brackets for the right and "×" for the wrong.
1, if A:B=4:5, then A=3 and B=5 ().
2. The ratio of cows to calves is 4: 5, which means that cows are less than calves ()
3. The radius, perimeter and area of the circle are expanded by 3 times and 6 times respectively ()
4. When the goods are 15% off, the price will be reduced by 85% ()
5. Drink a bottle of pure milk for the first time, then fill the bottle with water before drinking. Liangliang drank more pure milk for the first time. ( )
Choose the correct answer and put the serial number of the answer in brackets.
1, to count the percentage of all kinds of trees in Dongguan People's Park, you will choose ().
A, bar chart b, line chart c, fan chart
2. The biggest result in the following formula is ()
A, B, C,
3, children's load is best not to exceed the weight, if long-term.
Carrying heavy objects can lead to backache, even serious.
Will hinder the growth of bones, Wang Ming's schoolbag ()
A, overweight B, not overweight C, uncertain
4, the following percentage may be greater than 100% is ()
A, survival rate b, germination rate c, attendance rate d, growth rate
5. It takes Xiaohong 8 minutes to walk from school to the park, and Xiao Zhao 10 minutes. The simplest speed ratio between Xiaohong and Xiao Zhao is ().
a、8: 10 B、 10:8 C、D、5:4
Fourth, calculation
1, the number is written directly.
3. 14×8= =
1-40%= 52=
2. Solve the equation
3. Calculate the following questions. What can be simplified must be simplified.
4. Non-type calculation
0.8×[7.9-(2+5)] 0.64×25×7.8+2.2 (3 1.8+3.2×4)÷5 194-64.8÷ 1.8×0.9
Verb (abbreviation of verb) actual operation
Please use 1 and (1) in the brackets on the right.
Number pairs represent the vertices of a triangle.
The position of
(2) Please draw a triangle and make it flat to the right.
The graph has been moved by 4 units.
2. Draw a circle with a compass with a radius of 2 cm.
Circle it and mark its circle with letters.
Center, radius and diameter.
3. Draw all the symmetry axes in the picture below.
The following is the statistical table of TV programs that the students in Class One, Grade Six like. (2 points)
(1) Students who like to go into science account for.
()% of the classes.
(2) The number of people who like focus interviews is equivalent to liking them.
()% of the number of windmills, if there is one in the class.
60 people, then, there are () people who like windmills.
Sixth, solve the problem.
(1) Look at the questions before you answer.
1. Water in children accounts for about body weight. Xiaoming has 28 kilograms of water in his body. What's Xiaoming's weight? (Write the relationship that meets the meaning of the question first, and then list the equations without solving them. )
Relationship: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
_____________________________
Only the equations are listed, and there is no need to answer the question of _ _ _ _ _ _ _ _ _ _ _
2, there is a box of soap, sold 24 pieces, just the whole box. How many bars of soap are there in this box? Line chart: only the comprehensive formula is listed, not calculated;
———————————————
(b) Recalculate the formula
1. Uncle Zhang keeps 200 geese, and the number of geese is ducks. How many ducks do you have?
Uncle Zhang has raised 200 geese, the number of which is less than that of ducks. How many ducks do you have?
3.37.9 Subtract 5 times of 3.8 and divide the difference by 0.9. What is the quotient?
4. Three times a number minus half of 12. 12 equals 10.44. Find this number.
5,4.6 Subtract the product of 1.2 and 1.5, and divide the difference by 3.5. What is the quotient?
6. The number of A is 3.5 times that of B, and the sum of A and B is 5.4. What are the numbers a and b?
(3) Answer the following questions
1, the price of a basketball is 120 yuan, the price of a volleyball is the price of a basketball, and the price of a football is the price of a volleyball. How much is a football?
2、
How much is the price of this dress lower than the original one?
The youth travel agency launched a special activity during New Year's Day. The original price of 2800 yuan "Huangshan Tour" is now 15% off. How much cheaper than the original price?
4, honey water, honey and water according to 1: 9 modulation, if the modulation of 500 ml.
How many milliliters of honey and water does it take to raise honey water?
5. Uncle Zhang deposited 2000 yuan in the bank for 2 years, with an annual interest rate of 2.70%. How much interest tax does Uncle Zhang have to pay after tax? How much money can Uncle Zhang get in the end?
6. The outer diameter of bicycle tires is 70 cm. It takes 10 minutes for Miss Li to go to the library by bike. If the wheel rotates 200 times per minute, what is the distance between Miss Li's home and the library?
7. There are 20 questions in a math contest, and he gets 5 points for each correct answer. If he answers a wrong question, he will not only get no points, but also deduct 2 points backwards. Xiaoming got 86 points in this competition. Q: How many questions did he answer correctly?
20 10-20 1 1 I can't tell the answer to the final exam of the sixth grade math paper, which is tantamount to cheating!
The final examination paper of the first volume of mathematics in the sixth grade of primary school is printed by People's Education Edition.
1. Fill in the blank: (17 points)
1÷5 means that the product of two factors is (), and one of the factors is (), so find ().
The label of a sweater says "85% wool", which means that () accounts for 85% of ().
3、÷( )=( )× 1=( ) 4、×( )= 1
5.Pi represents the multiple relationship between () and (), which is represented by the letter ().
6. In the same circle, the radius is the diameter (), and they all have ().
7. The percentage of interest and principal is called ().
8. fill in >,