Name: _ _ _ _ Primary School _ Grade _ Class Score: _ _ _
Fill in the blanks. (1 point per space, 24 points for * * *)
1, Xiaoming started to have money in 20 yuan, and after spending X yuan, he left (_ _ _) yuan.
2. The greatest common factor of12 and 18 is (_); The least common multiple of 6 and 9 is (_).
3. Divide the 3-meter-long rope into 8 segments on average, each segment is ∕ meters long and each segment is full (_ ∕ _).
4. Xiaohong's position in the classroom is (5,4) right. She sits in column (_) and row (_). Xiaoli's position in the classroom is column 5, line 3, which is indicated by a number pair (_, _).
5. The smallest three-digit number that can be divisible by 2, 3 and 5 at the same time (_ _ _); The smallest number (_ _) that can divide 6 and 8 at the same time.
6. If a÷b=8 is (and both A and B are not natural numbers of 0), their greatest common factor is (_) and their smallest common multiple is (_).
7.(A is a natural number greater than 0), when a = (_), it is a true fraction, when a = (_), it is a false fraction, and when a = (_), it is equal to 3.
8、(4∕9)= (_∕36)=(_)÷9=44÷(_)
9. Fill in the appropriate scores in the brackets.
35 cubic decimeter = (_ ∕ _) cubic meter for 53 seconds = (_ ∕ _) when 25 hectares = (_ ∕ _) square kilometers.
Of all the divisors of10,20, the largest is (_), and of all the multiples of 15, the smallest is (_).
1 1, there is a cube dice, and the numbers on six faces are 1, 2, 3, 4, 5 and 6 respectively. Roll the dice once and get
The possibility of a composite number is (_ ∕ _), and the possibility of getting an even number is (_ ∕ _).
Second, judge carefully. (5 points)
1, the equation must be an equation, but the equation is not necessarily an equation. ………………………………( )
2. False scores are all less than 1. ……………………………………………………( )
3. Number pairs (4,3) and (3,4) indicate the same position. …………………………( )
The greatest common factor of 4, 14 and 7 is 14. ……………………… ………………( )
5. Divide the 2m-long conductor into 4 segments, each segment is 1 ∕ 4m. ……………………………………( )
Third, choose carefully. (5 points)
1. A rectangular piece of paper with a length of 24 cm and a width of 18 cm should be divided into small squares with the same size, and there is no redundancy. The smallest can be divided into ().
A. 12
2, x∕7 is a true fraction, and the value of x has () possibilities.
A.3 B. 4 C. 5 D. 6
3. There are 28 boys and 25 girls in Class 5 (3), and boys account for () of the class.
a.25∕28 b.25∕53·28∕53 d.28∕25
4. Divide 4g into 5 parts, each part is ().
A.4∕5·5∕4· 1∕5·4∕9
5. The greatest common factor of two numbers is 4 and the least common multiple is 24. These two numbers can't be ().
A.4 and 24 B. 8 and 12 C. 8 and 24
Fourth, careful calculation (40%)
1, writing number 4%
6.3+7= 2 1.5+9.5= 2.5×0.4= 42.8-4.28=
1-0.0 1= 3.5÷0.5= 8.2÷0.0 1= 8.2×0.0 1=
2. Solve the equation: 12%
X-7.4 = 8 2X = 3.6 X÷ 1.8 = 3.6 X+6.4 = 14.4
3. Find the greatest common factor and the least common multiple of the following groups. (9%)
10 and 9 14 and 42 26 and 39
4. Recursive equation calculation: 9%
(2.44- 1.8)÷0.4 2.9× 1.4+2×0. 16 30.8÷ [ 14-(9.85+ 1.07)]
5. Make an equation according to the meaning of the question and then answer it. (6 points)
① The sum of 7 x's is 10.5.
Verb (abbreviation of verb) application problem: (26%)
1. There were 138 male athletes and 7 female athletes in the 28th Olympic Games in China, twice as many as male athletes. How many male and female athletes are there?
In Beijing's bid to host the 2008 Olympic Games, * * has 65,438+005 valid tickets, and Beijing has 56 tickets. What percentage of valid votes did Beijing get?
Party A, Party B and Party C go to the library to borrow books. Party A comes every six days, Party B every eight days and Party C every nine days. If they meet in the library on April 25th, when will they all go to the library next time?
There is a piece of cloth 8 meters long, just enough to make 12 pairs of pants of the same size. How many meters of fabric is used for each pair of trousers? How much of this cloth is used for each pair of trousers?
5. Cut a rectangular piece of paper with a length of 20 cm and a width of 16 m into squares with the same size and as large an area as possible. There is no paper. How many pieces can I cut at most?
6. Two cars leave from Party A and Party B at the same time. A travels 48 kilometers per hour and B travels 54 kilometers per hour. When they met, the two cars were 36 kilometers away from the midpoint. How many kilometers is it between Party A and Party B?
Final Test Paper Name _ _ _ _ _ _ _ Score:
Fill in the brackets with your satisfactory answers. (20 points)
1, 8,359,004 writing (_ _ _ _ _ _), rounded to ten thousand places is about (_ _ _).
2. 1.75 hours = (_) hours (_ _) minutes 7800 square meters = (_ _) square kilometers.
3. Divide the 4-meter-long iron wire into five sections on average, each section is (_ ∕ _) meters long and each section is (_) meters long.
4. The unit of score is 1 10, and the lowest true score is (_ ∕ _). Add at least (_) such decimal units and it becomes the smallest odd number.
5. The ratio of A to B is 8: 5, B is 25 and A is ().
6. In 25: x, when X= (), the ratio is 1, when X= (), the ratio is meaningless, and when X= (), it can be proportional to 23 :2.
7.A is twice that of B and C is twice that of A, so A: B: C = ()
8. A worker produced 200 parts, four of which were unqualified, and the qualified rate was ()%.
9. If a job needs 12 hours to complete its 5∕ 12 time, it needs () hours to complete its 2∕3 time.
10, it is known that the ratio of m to m is 2: 3, and their greatest common divisor is 16, so M= ().
Second, with a sharp eye, right and wrong are clear. (6 points)
1, the formula with unknown number is called equation. ( )
2. Integers less than 3 are 1 and 2. ( )
3.9∕ 15 cannot be converted into a finite decimal. ( )
4. Because 45
5. The simplest integer ratio must be the simplest fractional ratio. ( )
The height of each floor of 6.7 floors is the same. It takes 40 seconds for Xiao Ning to walk from the first floor to the third floor, so it takes 140 seconds to walk to the top floor.
Three. Happy A, B and C(6 points)
1, a number (except zero) divided by 19, this number is (). A, expand 9 times b, shrink 9 times c, increase 9 times
2. A thresher can thresh 9 10 tons in 34 hours and 9 10 tons in 0 hours ().
A, greater than B, less than C, equal to D, greater than or equal to.
3. equilateral triangles are () a, acute triangle b, right triangle c and obtuse triangle.
4. Give 15 of the weight of the first basket of apples to the second basket. At this time, the weight of the two baskets of apples is equal. The original weight ratio of the first basket and the second basket is (). a，4: 5 B，5: 4 C 5: 3。
5. Saw a cube with a side length of 4 cm into a small cube with a side length of 1 cm, and saw out () blocks.
a、4 B、8 C、 16 D、32 E、64
6. Cylinders and cones have equal volumes. It is known that the bottom area of a cone is twice that of a cylinder, so the height of the cylinder is the height of the cone (). A, 12 B, 23 C, 2 d, 3
Four, small psychic (23 points)
1, oral calculation (5 points)
93+55+7+45= 476-299= 0. 1×0. 1×0. 1= 8+5.2= 77× 1 1-77= 0. 12÷0. 15=
15.24- 1.6-8.4= 56 -(8 13 +56 )= 2740 ÷9= 8×5×0.0 1=
2. Find the unknown X(4 points)
7X-434 =2.25 X - 14 X=6
3, off-type calculation can be simplified (8 points)
8 15 × 13+8 15 ×2 89 ÷ [56 +(47 - 47 )- 16 ] (48×47 +48×37 )× 1.25
( 1 1 18 ×922 + 13 )÷7 12
4-column calculation (6 points)
The difference between three times a number and 25 is 60%. What's this number?
What is the product of 38 and 16 plus 5 divided by 59?
Practice and exploration of verb (abbreviation of verb) (15 points)
1, the picture on the right is a rectangular cardboard, which is used as an edge and matched with different bottom surfaces to make a cuboid or cylinder, excluding joints, and calculate the required data (measure by yourself and keep integers).
(1) If equipped with a bottom surface, make a cylinder with BC as its height, and find the surface area of this uncovered cylinder.
(2) If it is equipped with a square bottom, as a cuboid with a height of AB, find the volume of this cuboid.
2. Geometric operation questions (unit: cm)
Cut off the largest cylinder in the cuboid and find the volume of the rest.
Six, practical application (30 points)
1, Xinxing Machinery Factory expanded its workshop. The original planned investment was 4 million, and the actual investment was 3.6 million. What percentage was saved?
2. A road team paved a road. It was originally planned to lay 1.6 km every day and complete it in 30 days. Actually, it was 0.8 kilometers more paved than originally planned. How many days did it actually take? (Use proportional solution)
3. The bottom radius of the cylindrical glass container filled with water is 6 cm. Now put a stone in the container, and the water level will rise by 4 cm. What is the volume of this stone in cubic centimeters?
4. Wang Hua read an extracurricular reading. On the first day, he read 20% of the book. On the second day, he read the remaining 30%, leaving 140 pages. How many pages are there in this extracurricular reading?