One of the math questions in the final exam of the sixth grade in primary school.
1. Fill in the blanks (every space 1 minute, *** 19)
1 stands for (); Represents ().
2,48 is (); () is 27.
4, 12 points = (); Ton = () kg; 1 = () points.
5、? Is the number of yellow flowers equal to the number of red flowers? , is the number in ()? 1? , the equivalence relation is ().
6. In the 50-meter test, Xiao Ming took 8 seconds, Xiao Fang took 10 second, and the speed ratio between Xiao Ming and Xiao Fang was ().
7. The ratio of the three angles of a triangle is 3:4:5, and the largest angle is () degrees.
8. Xiaohong 12 seconds walks from the first floor to the second floor. At this rate, it will take him () seconds to get from the first floor to the fourth floor.
Second, the question of true and false (correct play? , wrong number? ╳? * * * 5 points)
1 and 9 kg of water plus 1 kg of salt, salt accounts for salt water. ( )
2, 4 meters long steel pipe, there are meters after cutting. ( )
3. The product of two true fractions must be less than 1. ()
4. The number A divided by the number B is equal to the reciprocal of the number A multiplied by the number B.
There are more pine trees than cypress trees, so there are fewer cypress trees than pine trees. ( )
Three, multiple choice questions (put the serial number of the correct answer in brackets, ***5 points)
2. The simplest ratio of two integers must be ()
① Prime number ② Odd number ③ Prime number ④ I don't know.
There are 30 candidates in the examination room. The ratio of male to female may be ()
① 3:4 ② 2:3 ③ 1:3 ④ 4:5
4. The reciprocal of the true score () 1.
① greater than ② less than ③ equal to ④ Uncertainty.
Four, according to the requirements of calculation (8 points)
1, the sum of a number is half of 36. What is this number? (column equation solution)
What is the quotient of the difference between 2,63,20 divided by 1 1?
Six, application problems (5 points for each small question, ***30 points)
1. A bag of flour weighs 3 kg. If you have, how many kilograms have you eaten?
2, a rectangular desktop, m, m long. A square desktop with an area of. How many square meters is the area of rectangular desktop smaller than that of square desktop?
Xiaoming weighs 35 kilograms, which is lighter than his father. How many kilograms is Xiaoming's father heavier than Xiaoming?
A batch of rice was transported to the disaster area by six cars. How much rice was transported per car on average? How many cars do you need to transport the surplus rice?
5. A barrel of oil weighs * * * kg. After removing half of the oil, how much kg does this barrel of oil weigh? How much does this bucket weigh?
It will take Team A 20 days to build an expressway? It takes 15 days for Team B to finish alone. Now Team A and Team B will work for 8 days, and the rest will be completed by Team B. How many days will it take?
Math examination questions for the final exam of the sixth grade in primary school II
First, be careful when calculating (27 points)
1, write 5 points directly.
24? = 3.6? = 3. 14? 5= 50.24? 3. 14 = 2.8? =
3. Simplify and find the ratio of 6 points.
2.4:3.6 :0.9 5:
4, column calculation 4 points
(1) If the number of A equals the number of B, then the number of A is 90, and what is the number of B?
(2) In the sixth grade, the ratio of boys to girls is 5: 4, with boys 120. How many girls are there?
Fill in the blanks carefully (each box is 2 1 minute, 1 minute)
1、( )? 5=0.8= 24:( )
A bus travels 450 kilometers in 5 hours. The ratio of the distance traveled by this bus to the time is (), which means ().
3, a number is 270, this number is ()
The ratio of boys to girls is 5:6. The number of girls is boys, and the number of boys accounts for the whole class.
There are 20 red and yellow balls of the same size in the box. In order to make it possible to touch the red ball, there should be () red balls and () yellow balls in the box.
6. The degree ratio of two acute angles of a right triangle is 2:3, and the two acute angles are () and () respectively.
7. The distance between two feet of the compass is 4 cm. Draw a circle with this compass. The radius of a circle is () cm, and the area of a circle is () cm2.
8. The ratio of the diameter of the same circle to its radius is (); The simplest ratio of the radius of the same circle to its diameter is ()
9、 ? a=？ b=？ C, and A, B and C are not equal to 0, then () is the largest of the three numbers A, B and C. ..
10, put 50 grams of salt into 500 grams of water, and the ratio of salt to brine is ().
3. 8 points for distinguishing authenticity with golden eyes.
1. The age ratio of Xiaoming and Xiaohong is 7:8. Five years later, the age ratio between them is still 7:8 ().
2. The result of comparison is a number, and the result of simplification is a ratio ().
3. The product of two true fractions is less than the quotient () of these two true fractions.
4, two ropes with the same length, the first cut off the full length, the second cut off the meter length, and the remaining length is equal ()
5, the diameter is the longest line segment in the circle, and the diameter is also the symmetry axis of the circle ()
6. It takes 5 minutes for the master to process the same parts, and 8 minutes for the apprentice. The work efficiency ratio of the master and the apprentice is 5:8 ().
8. It takes Party A 8 minutes and Party B several hours to walk from school to the cinema, and the time ratio between Party A and Party B is 2:3 ().
Four carefully selected eights.
1, 50 is (). a、 100 B、50 C、25
2. The degree ratio of three internal angles of a triangle is 2:3:5, and this triangle is ().
Acute triangle b obtuse triangle c right triangle
3. There is a proportion in the following ()
A China women's volleyball team defeated the Russian women's volleyball team 3-2. The ratio of apple trees to pear trees in the orchard is 9:5C. Xiaoli sleeps at 20:45 every day.
4, the size of the fan and ().
Degree of central angle, length of radius, degree of central angle and length of radius
5. () Honey water is sweetest.
Li put 50 grams of honey into 350 grams of water.
B Xiao Wang made honey water with 6 cups of honey and 24 cups of water.
The quality of honey water prepared by C Xiaogang is 6 times that of honey.
6. Draw a circle with a compass with a diameter of 6 cm, and the distance between the two feet of the compass should be () cm.
a、6 B、3 C、2
7. Add 12 to the previous item 3: 5. In order to keep this ratio unchanged, the latter item should be increased ().
a、 17 B、20 C、25
8, a bag of rice, eat it, and then increase the rest, now the quality of this bag of rice () the original quality of rice. A is greater than b and less than c, equal to
Five hands-on operation (8 points)
Draw a semicircle with a radius of 2 cm, mark the center, radius and diameter with letters, and draw the symmetry axis of the semicircle.
Six, the use of knowledge to solve practical problems (6+5+5+6+6=28 points)
The sixth grade students donated money for the children in the disaster area. Grade 6 1 class donated to 500 yuan, Grade 6 Class 2 donated to KLOC-0/class, and Grade 6 Class 3 donated to Class 2. How much is the donation from Class 3, Grade 6?
Mom spent 45 yuan on shoes in the shopping mall, accounting for the total amount of money spent, and the total amount of money spent on tops. How much did she spend on the coat?
The fruit shop sent a batch of fruits, including 400kg bananas. The quality of bananas belongs to apples, and the quality of apples belongs to oranges. How many kilograms of oranges did the fruit shop send?
5. The school library bought 3,000 books, of which literature and art books accounted for the rest, science and technology books and story books. The ratio of science and technology books to story books is 3:5. How many science books and story books are there?
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