The final examination paper of the fifth grade mathematics in People's Education Press (with answers)
fill (up) a vacancy
The decimal unit of 1 and 7 12 is (). Add decimal units like () to get the unit "1".
2.43, 54 and 67, the number of is (), and the smallest number is ().
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. Among the numbers 27, 37, 4 1, 58, 6 1, 73, 83, 95, the odd numbers have (); Even numbers have (); Prime numbers have (); The composite number has ().
5、9÷ 15=( )60 =27( ) =( )÷5
6. Biscuits 15 boxes, of which four boxes have the same quality, and a few pieces are missing from one box. How many times can you find this box of biscuits if you can weigh it with a balance?
7.8.04 cubic decimeter = () liter = () milliliter
7.5 liters = () cubic decimeter = () cubic centimeter
8. Splice three small cubes with a side length of 2cm into a cuboid, and the surface area of the cuboid is less than the sum of the surface areas of the three small cubes () square centimeters.
9. To make a cuboid 5 cm long, 4 cm wide and 4 cm high, at least () cubic centimeters of wood is needed. If you want to draw the surface of a cuboid block, the drawing area is () square centimeters.
10, the surface area of a cube is 150 square decimeter, and the volume is () cubic decimeter.
1 1. From 3 pm to 9 pm, the clock turned clockwise () degrees.
The prime factor of 12 and 48 is ().
Second, judgment.
1, any nonzero natural number has at least two factors. ( )
2. Because the numbers 33, 36, 39, 63, 69, 93, 156 can all be divisible by 3, the numbers with 3, 6 and 9 can definitely be divisible by 3. ( )
3. The greater the denominator of a score, the greater the unit of the score. ( )
4. All even numbers are composite numbers. ( )
5. The smallest prime number is 1. ( )
When the side length of a cube is expanded to 4 times, its volume is expanded to 64 times. ( )
After the numerator of 7.7 10 is multiplied by 2 and the denominator is added with 10, the fractional value remains unchanged. ( )
8. The numerator of a false score is greater than the denominator. ( )
9. A watermelon ate 23, and there were 43 left. ( )
Third, choose
1. When a is equal to (), the product of 17a is a prime number.
A, 1 B, 17 C, not necessarily.
2. A two-digit number that is both an even number and a prime number, and a ten-digit number that is neither a prime number nor a composite number is ().
a、32 B、 16 C、 12
3. The factor of the composite number is ().
One, countless B's, two C's, three or more.
4. Among the following numbers, the odd number and the composite number are ().
a、 13 B、36 C、 15
5. Among the scores of 5 12, 1725 and 735, () can be converted into finite decimals.
a、 1 B、2 C、3
Four, calculation (23 points)
1, number of direct writes: (3 points)
56 - 16 = 12 - 14 = 7 10 + 3 10 =
1- 34 = 12 - 5 10 = 13 - 19 =
2. Calculate the following questions, which can be simplified (12 points)
45 +( 1 1 15 + 3 10 ) 38 + 47 + 58 6-(34 -25 ) 4 15 +79 -4 15 +29
3, solve the equation (8 points)
5X - 3X= 12 37 + X = 34
79 - X = 427 X - 5 12 = 38
5. Calculate the total side length, surface area and volume of the cuboid below: (unit: cm)
elegant
Six, solve the problem (28 points)
1. Li Ming surrounded a triangle with a 1 meter-long iron wire. It is measured that one side of the triangle is 14 meter, the other side is 38 meters, how long is the third side? What triangle is it?
2. A cuboid food box, length10cm, width 6cm and height12cm. What is the minimum area of this trademark paper if it is labeled all around (not up and down)?
3. a rectangular piece of iron sheet (as shown on the right), cut a square with a side length of 3cm from each of the four corners, and then make a box. How much iron is used in this box? What is its volume?
Xiaohong and her father are both 34 years old now. Three years later, her father was 24 years older than Xiaoming. How old are Xiaohong and her father this year?
The school should paint the new classroom. It is known that the classroom is 8m long, 6m wide and 3m high, and the area excluding doors and windows is 1 1.4m2 ... If painting costs 4 yuan per square meter, how much will it cost to paint this classroom?
6. There are more trees planted in the sixth grade than in the fifth grade in bright primary school, and fewer trees planted in the fourth grade than the sum of the fifth and sixth grades. How many trees are planted in three grades?
7. The fuel tank on the car is 5dm long, 4dm wide and 2dm high. How many liters of gasoline can this tank hold?
Answer: 1. 1, 1 12, 6, 2, 43, 67, 3, 45, 45
4、27,37,4 1,6 1,73,83,95; 58; 37,4 1,6 1,73,83; 27,,58,95;
5、36,45,3, 6、3 7、8.04,8040; 7.5,7500
8、48 9、80, 12 10, 125 1 1、 180 12、2,3
2.×, ×, ×, ×, √, √, ×, ×,
3.a,c,c,c,b,
Four. 1, 23, 14, 1, 14, 0, 29 2, 13 10, 147, 5 1320, 65438.
Five, 60 cm, 136 square cm, 96 cubic cm.
6. 1, 38, isosceles triangle 2, 384 square centimeters 3, 5 10/242 cubic centimeters.
4. Xiaoming is 5 years old, and his father is 29 years old, with 5,482.4 yuan, 6,69 trees and 7,40 liters.
The final examination paper of the fifth grade mathematics next semester (with answers)
1. Carefully examine the questions and fill in the blanks (22 points, 1 to 14 0.5 points for each question, 15 for each question 1 point).
1 and 0.36 have () percentages, and the number of chemical components is ().
2. The red balloon (Le Ballon Rouge) is the total number of balloons, which means that () is regarded as the unit "1", which is divided into () on average, and red balloons account for ().
The decimal unit of 3 is (), and the sum of these decimal units () is equal to the smallest prime number.
4. In the project, sand, soil, etc. 1m3. It is called ().
5.= = = 12÷( )= () (fill in decimal places)
6. The common factor of12 and 15 is (), and the minimum common multiple is ().
7. A bag of biscuits is 2 kilograms. If you eat this bag of biscuits, there is still () left in this bag of biscuits. If you eat kilograms, there are () kilograms left.
8. Among the five numbers of,, and 0.625, the number is (), the smallest number is (), and () and () are equal.
9 and 3 are () scores, pronounced as ().
10, saw the 3-meter-long batten into 5 segments on average, each segment is () meters long, and each segment accounts for () of the total length.
1 1, a set of data 12, 14, 12, 16, 14, the median of this set of data is (), and the mode is ().
12, the sum of two prime numbers is 20, and the product is 9 1. These two prime numbers are () and () respectively.
13, the score unit is true score (), the minimum false score is (), and the minimum band score is ().
14, fill in the corresponding company name.
Xiao Ming's living room covers an area of about 50 (), and the school flagpole is about 15 ().
The volume of an eraser is about 8 (), and the volume of an automobile fuel tank is about 24 ().
15. The rectangular wooden box is 6dm in length, 5dm in width and 3dm in height. The sum of its sides is () dm, with an area of () dm2, a surface area of () dm2 and a volume of () dm3.
Two, careful scrutiny, careful diagnosis, the correct mark "tick", the wrong mark "x" (each item 1 minute, * * *1minute).
1, reduction and general fractions are based on the basic properties of fractions. ( )
2. A cube with a side length of 6 cm has the same surface area and volume. ( )
3. The greater the denominator of a score, the greater the unit of the score. ( )
4. In a set of data, there may be multiple patterns or no patterns. ( )
5. The score greater than or less than does not exist. ( )
6. The volume of an object is equal to its volume. ( )
7. The volume of cuboids and cubes can be calculated by multiplying the bottom area by the height. ( )
8. Parallelogram is an axisymmetric figure. ( )
9. Divide a rope into four sections, and each section occupies the rope. ( )
10. After cutting a cube into two identical cuboids, the volume and surface area remain unchanged. ( )
Third, compare repeatedly, choose carefully, and fill in the correct answer in brackets (each small question 1 point, *** 14 point)
1, and compare ()
A, the unit of the score is the same; B, meaning the same; C, the same size.
2. The shaded part on the right is expressed as a score ()
A, B, C,
There are 65,438+00 glass beads, one of which is slightly lighter. Weigh it at least () times to ensure it is found.
a、2 B、3 C、4
Xiao Gang and Xiao Ming did the same homework. Xiao Gang spent hours, Xiao Ming spent hours, and the fastest one was ().
A, Xiao Gang B, Xiao Ming C, equally fast.
5, cut a rope into two sections, the first section is meters long, the second section accounts for the whole length, and the two sections of rope are compared ()
A, the first section b and the second section c have the same length.
6. Pour 60 liters of water into a 5-centimeter-long cubic container. The height of water is () decimeter.
a、2 B、2.4 C、 12
7. Put10g of sugar into 90g of water, and sugar accounts for () of sugar water.
A, B, C,
8. Of the three scores, the smallest is ().
A, B, C,
9, rotation and translation just changed the graphics ()
A, shape b, size c, position
10, the side length of the cube is expanded to three times and the volume is expanded to () times.
a、9 B、 18 C、27
1 1, a rope is folded in half for three times in a row, with the total length of each section ()
A, B, C,
12, in order to clearly reflect the monthly average temperature changes in Suining and Chengdu in 20 13 years, () statistical chart should be selected.
A, single fold line b, composite fold line c and composite strip
13, the following score () is the simplest score.
A, B, C,
14, a number, is both a factor of 12 and a multiple of 12. This number is ().
a、6 B、 12 C、 144
Fourth, see the requirements clearly and be careful. (30 points)
1, and fill in the appropriate figures in brackets (6 points, each item 1 minute).
0. 15= ≈ () (two decimal places are reserved) 6=
( )- =
2. Oral calculation (6 points, 65438+ 0 points for each small question)
10÷2.5= 2.4×0.5= -0.25=
1- 2-
3, off-type calculation, can simplify the complex (9 points, 3 points for each small question)
4. Solve the equation (9 points, 3 points for each small question)
Five, see the requirements, carefully draw (4 points, 2 points for each small question)
1. Draw a symmetrical figure of triangle OAB with the given dotted line as the symmetry axis.
2. Draw a graph of triangle OAB rotating 90 degrees clockwise around point O. ..
Six, the use of knowledge to solve problems (20 points, 4 points for each small question)
1. Dad bought a watermelon weighing 20 kilograms. My daughter ate this watermelon and my mother ate this watermelon. How much is left?
2. The furniture factory ordered 500 squares, each with a cross-sectional area of 24dm2 and a length of 3 m. How many squares are there?
A cuboid glass jar is 8cm long, 6cm wide, 4cm high and 2.8cm deep. How many liters of water will overflow from the jar if you put a 4dm long cubic iron block?
4, a story book *** 100 page, Xiaohong read the whole book on the first day, 20 pages the next day, and several pages in two days.
Xiaohong and her mother are 465,438+0 years old this year. Three years ago, her mother was 25 years older than Xiaohong. How old are her mother and Xiaohong this year?
Reference Answers and Grading Criteria for Grade Five Mathematics
1. Carefully examine the questions and fill in the blanks (22 points, 1 to 14 0.5 points for each question, 15 for each question 1 point).
1, 36 2, the total number of balloons 7 5
3, 13 4, 1
5、 12 27 15 0.75 6、 3 60
7 or 1 8 or 0.625
9, use 3 1 10,
1 1, 13,12,7 and 13.
13、 1
14, square meters or square meters or cubic meters or cubic centimeters liters or liters
15、56 30 126 90
Second, careful scrutiny and careful diagnosis (each small question 1 point, * * *1point)
1、√ 2、× 3、× 4、√ 5、×
6、× 7、√ 8、× 9、× 10、×
Third, compare repeatedly and choose carefully (each small question 1 point, *** 14 point)
1、C 2、C 3、B 4、A 5、B 6、B 7、B
8、A 9、C 10、C 1 1、C 12、B 13、A 14、B
Four, see the requirements, careful calculation (***30 points)
1, fill in the number (each small question1): 0.361851.
2. Oral calculation (each small question 1):4 1.2 0 1 or
3. Out-of-formula calculation (3 points for each small question): The calculation is not simplified, and only 1 point is obtained if the result is correct.
= (2 points) = =
= ( 1) = 1- (2) = 1+ (2)
= simple calculation (1) = 1 simple calculation (1)
4. Solve the equation (3 points for each small question):
Solution: (2 points) Solution: (2 points) Solution: (2 points)
( 1) ( 1) ( 1)
No points will be deducted if you don't write "solution".
Five, see the requirements, carefully draw (4 points, 2 points for each small question)
Six, the use of knowledge to solve problems (20 points, 4 points for each small question)
General requirements: 1, the unit and answer of each question will not be scored, and only 0.5 point will be deducted for one or more errors in the unit and answer: 2, 80% of the scores are correct (including the calculation errors in the first step and the correct ideas in the second step); 3. Wrong deduction from the comprehensive formula result 1. 4. Step-by-step calculation, with 0.5 points for each step.
1、 1-( )=
2.0.24× 3× 500 = 360m2 = 360m3。
3, 4×4×4-8×6(4-2.8)=6.4dm3=6.4 liters.
4、①20÷ 100= ②
5. Mom: (4 1+25)÷2=33 (years old)
Xiaohong: 4 1-33=8 (years old)
The answer to the final examination paper of mathematics in the second volume of the fifth grade
First, fill in the blanks. (2 1)
The decimal unit of 1 and 58 is (), and the decimal unit of () is 1.
2. The common factor of12 and 18 is (); The least common multiple of 6 and 9 is ().
3. Divide a 5-meter-long rope into 6 parts on average, each part is () of this rope, and each part is () meters long.
4, 35 cubic decimeter = () cubic meter 63000ml=( )L
5. The rectangle is 8 cm long, 6 cm wide and 5 cm high, and its volume is () cubic centimeters.
The false score of 6,256 is (), with () 16.
7, 45 = ()25 =8÷( )= () (fill in decimal places)
8. The smallest three digits that can be divisible by 2, 3 and 5 at the same time is ().
9. The sum of all the simplest true scores with the score unit of 18 is ().
10, make a cuboid with a volume of () cubic centimeters from three cubes with a length of 2 centimeters.
1 1. There are about 200 countries in the world, including more than 100 countries with water shortage, more than 40 countries with severe water shortage, and water shortage countries account for about the total number of countries in the world; Countries with severe water shortage account for about the total number of countries in the world; See this material, your suggestion is ().
12, a 3-meter-long square steel, when cut into three sections, the surface area increased by 80 square centimeters, and the original volume of square steel was ().
Second, the judgment question. (Mark "√" for the right and "×" for the wrong) (5 points)
1, and the false score is greater than 1. ( )
2. All even numbers are composite numbers ()
3. The common factor of two different prime numbers is only 1. ( )
4. Numbers with 3, 6 and 9 in the unit are multiples of 3 ()
5. Cubes with a side length of 6 cm have the same surface area and volume. ( )
Third, multiple choice questions. (Fill in the brackets with the serial numbers of the following correct answers) (5 points)
1. Among the following scores, the simplest score is ().
① 7 1 1 ② 1545 ③ 1352
2.a3 stands for ().
① a×3 ② a+a+a ③ a×a×a
3. Xiaoming did 24 math problems, which have been completed 16. He still needs to complete all the questions ().
① 13 ② 12 ③ 23
4.a=3b, and the least common multiple of A and B is ().
① a ② b ③ 3
5. When the length, width and height of a cuboid are expanded twice, its volume will be ().
① Zoom in 2 times, ② Zoom in 6 times and ③ Zoom in 8 times.
Fourth, calculation.
1, oral calculation: (5 points)
45 + 35 = 17 + 15 = 13 +2= 14 + 12 = 1- 9 14 =
0.23×0. 1= 25 +23 -25 = 45 -45 = 2÷0.5 = 58 -38 =
2. Solving equations: (8 points)
X-45 = 38 2X-5.8=6.6
X -(52 1 + 37 )=23 - X =
3. Calculation (simplified): (12)
35 +23 -56 78 -5 12 + 16
15 + 18 + 15 +78 5 14 -(27 - 15 )
5. Draw the figure that the triangle AOB rotates counterclockwise around point O 180o. (3 points)
Sixth, look at the picture and calculate. (8 points)
Seven, application questions. (33 points)
1, 14 kinds of vegetables, 35 kinds of grain and the rest kinds of fruit trees. What percentage of the total area is planted with fruit trees?
2. There are 138 male athletes and 7 female athletes participating in the 2xx Olympic Games in China, which is twice as few as that of male athletes. How many female athletes are there?
The furniture factory ordered 400 square logs, each with a cross-sectional area of 0.24m2 and a length of 4m. How many squares are there?
4, grade five (1), (2) class to complete the cleaning task. There are 48 students in Class Five (1) and 54 students in Class Five (2). If the students in the two classes are divided into several groups, the number of students in each group in the two classes should be the same. How many students are there in each group at most?
A piece of iron sheet with a length of 35 cm and a width of 30 cm, cut a square with a side length of 5 cm from each of the four corners, and then make a box. How much iron is used in this box? What is its volume? (as shown in the figure below)
6. Put a stone in a glass jar 80 cm long and 40 cm wide. At this time, the water depth is 30 cm, and the water depth is 25 cm after taking out the stone. What is the volume of this stone?
7. A number is divided by 3 to 1, by 4 to 2, and by 5 to 3. What's the smallest number?
Answers to the final training questions of fifth grade mathematics
I. Fill in the blanks (2 1 minute)
1、 1/8 3 2、 6 18 3、 1/6 5/6 4、 0.035 63
5、 240 6、 17/6 17 7、20 10 0.8 8、 120 9、2
10,2411,1/2 1/5 water saving12,6000 square centimeters.
Second, the judgment (5 points)
1, wrong 2, wrong 3, right 4, wrong 5, wrong
Three, multiple choice questions (5 points)
1、① 2、③ 3、① 4、① 5、③
Fourth, calculation
1, oral calculation (5 points)
7/5 12/35 2 13 3/4 5/ 14 0.023 2/3 0 4 1/4
2, solve the equation (8 points)
x = 47/40 x = 6.2 x = 32/27 x = 1 1/20
3, calculation (12 points)
13/30 17/24 125 19/70
Five, painting (3 points)
Six, look at the picture calculation (8 points)
1, 5x5x6= 150 (square decimeter) 5x5x5= 125 (cubic decimeter)
2. (10x4+10x5+5x4) x2 = 220 (square centimeter) 10x4x5=200 (cubic centimeter)
Seven, the application problem (33 points)
1,1-(1/4+1/5) =11/202, 138x2-7=269 (person)
3, 0.24x4x400=384 (m3) =384 square 4, 6 people.
5950 (square centimeter) 2500 (cubic centimeter)
6.80x40x5= 16000 (cubic centimeter)
7、58