1, the number written directly: (4 points) 37+27 = 23-16 = 0.32× 99+0.32 = 0.25 = () ()1-56 =13+/. Find the greatest common factor and the smallest common multiple of the following groups, and write the greatest common factor of each group in () and [] respectively. (4 points) 8 and121and 33 () [] 3. Solve the equation: (8 points) x-56 = 568x = 4x ÷12.5 = 8/kloc-. Calculate the following questions, and simplify what can be simplified. (12) 23+45-31018-(56+38) 67-(114-12) +49 Proposition Intention: This textbook mainly studies solving equations and adding and subtracting fractions, so this topic mainly arranges understanding equations, adding and subtracting fractions of different denominators and corresponding simple calculations, and also interspersed with addition, subtraction, multiplication and division of decimals to find the greatest common factor and the least common multiple. The main purpose of this topic is to examine students' mastery of the calculation content in this book, as well as their ability and consciousness of flexible calculation. Second, think carefully and fill in the blanks carefully. (***27 points, except 1 1 question 3 points, the rest are 1 points every time. ) 1, and the decimal unit is 17. The maximum true score is (), and the minimum false score is (). Adding decimal units like () to this false fraction is the smallest prime number. ★ 2. Xiaoming's position in the classroom is (5, 3), and she sits in column () and row (). Xiao Fang sits in front of Xiao Ming, with a number (,). 3. Fill in the simplest score in (). 25 seconds = () minutes 30 cm = () meters 250 kg = () tons 4. Fill in ">" < "=" in the box. 37 82 1 23 34 89 32 ★ 34 0.7499 5 、()÷8 = 12 16 = 3()=()& lt； Fill in decimal number > 25th, 26th, 27th 16 16 28 32★6. The number of gold medals in previous Olympic Games in China is shown in the right table: (unit: pieces) The number of gold medals in the 27th Olympic Games is 26 () (), and the number of gold medals in the 28th Olympic Games is 27 () (). 7. Draw a circle with a compass with a circumference of 25. 12 cm. The distance between the two feet of the compass is () cm, and the area of the circle drawn is () cm 2. ★8. Square with decimeter, decimeter and decimeter side length (integer decimeter number) can be covered by rectangle with length 16 decimeter and width 12 decimeter. 9. The greatest common factor of natural numbers A and B is 1, and the least common multiple of A and B is (). ★ 10, a ×4 b +8 c ÷9 4, where a is () proposition intention: fill in the blanks above, and the knowledge points involved are: fractional unit (1), fixed position (2), approximate score (3), size of comparative score (4), basic properties of score and. It mainly examines students' mastery of these knowledge and their ability to comprehensively apply knowledge. The 2008 Beijing Olympic Games will be held soon. Question 6 is to create an Olympic atmosphere. Question 8 is to examine whether students have a deep understanding of "common factors"; 10 is to examine whether students can find the value of the letter a flexibly by "backward deduction" 1 1. Proposition intention: This topic is a compound line chart in the statistical knowledge of this book, which mainly examines students' ability to read compound line charts and analyze data, thus enhancing statistical concepts and cultivating statistical ability. Third, choose carefully and choose the best among the best. (***5 points) 1, 6 pairs of pants of the same size are made of 5 meters long cloth, and each pair of pants is made of this cloth (). A, 56m b, 16 C, who cares? 2. The first mathematician in the world who accurate the value of pi to six decimal places is (). A, Liu Hui B, Zu Chongzhi C, Euclid★ 3. This year's "seven-day National Day holiday", Teacher Lu wants to take part in the "two-day tour of Qiandao Lake". When will she go? How many different choices does Teacher Lu have? () A, 5 kinds of B, 6 kinds of C, 4 kinds of★ 4. Among the scores on the right: 59,37, 1224,91,13,45, and those larger than12 are () a, 3 B, 4 C, 2★ 5. Which figure in the picture below has the longest circumference? () a cm a cm a cmA, square b, circle c, equilateral triangle Proposition Intention: The first question 1 is to test students' understanding of the meaning of fractions, mainly considering that some students have a headache about this problem, so they add some happy elements of "Who cares". There is a professor in America, who often has the option of "Who cares" in multiple-choice questions, so students are fascinated by the professor's class. I think we can try it during the exam to relax the students' nervous mood. The second question is to examine students' mathematical and cultural knowledge; The third question is to examine students' ability to solve real life problems through "discovering laws"; The fourth question is to examine students' ability to compare scores of different denominators in various ways; The fifth question is a comprehensive knowledge question, which examines students' mastery of graphic perimeter calculation, as well as symbol consciousness and algebraic ability. Fourth, carefully scrutinize and judge right and wrong. (***5 points) 1, the equation is not necessarily an equation, the equation must be an equation. () 2. In the same circle, the distance from the center of the circle to the circle is equal everywhere. () ★3. There are four simplest fractions with a denominator of 8. () 1 kg of 4 and 34 is equal to 3 kg of 14. () 5. True scores are all less than 1 and false scores are all greater than 1. () Proposition intention: This topic mainly examines students' mastery of some important concepts in this book, including true and false scores, the radius of a circle, the simplest score, the meaning of scores, equations and equations, and also examines students' judgment and reasoning ability and logical thinking ability. ★ 5. Use both hands and brains to think about operation. (Each question 1 point, ***5 points) (The square graph at the bottom right shows the side length of each square 1 decimeter. Proposition intention: This title is to determine the position and circle the comprehensive application questions of relevant knowledge, so that students can use their brains while doing it. The main purpose is to examine the students' mastery of how to determine the position with number pairs, draw the circle with compasses, draw the diameter, calculate the area of the circle, and their comprehensive ability to use knowledge. Sixth, apply knowledge to solve problems. (Question 1 ~ 5, 5 points for each question; The sixth question scored 3 points, and the sixth question scored 5 points. ) ★ 1, only the equation is not counted: ① the circumference of the square is 14m. ② Xiaogang is 12 years old this year, 26 years younger than his father. How old is his father this year? Solution: Suppose X2, Kobayashi and Xiaojun all go to the library to borrow books, Kobayashi goes every six days and Xiaojun goes every eight days. If they meet in the library on July 1, when will they all go to the library next time? The students in Class 5 (3) all expressed their holiday wishes to their mothers on Mother's Day. Among them, 13 students sent flowers, 15 students gave their mother a sweet kiss, and the rest students sent homemade greeting cards. How many students in the class send homemade greeting cards? 4. An acrobat rides a unicycle on a suspended steel wire. The wheel diameter of a unicycle is 45 cm. From one end of the wire to the other, the wheel made a full 40 turns. How long is this suspended steel wire? ★5. Students must have been to KFC! The picture below shows the operation of two KFC restaurants at a certain moment. Please judge which restaurant is crowded at that moment by calculation. Dining room 1 Dining room 2.8 meters 84 people 6.36 people 8 meters 12 meters Proposition Intention: The above five questions mainly examine students' ability to solve practical problems by comprehensively applying what they have learned, further feel the value of mathematics, feel the close relationship between mathematics and life, further develop students' application consciousness and cultivate students' ability to choose corresponding strategies according to the characteristics of practical problems. Problem 1, the equation solves practical problems and makes students realize the characteristics and value of the equation; Question 2, the application of the least common multiple in real life; The third topic, the meaning of score and the application of unit "1", is permeated with gratitude education; Question 4, the application of circumference calculation in real life; Question 5: Compare scores and put them in KFC to stimulate students' interest in solving problems. ★6. This question is multiple choice. Choose one of the questions A and B to answer, do both questions A and B, and only use the question A to score .. A gets 3 points, and B gets 5 points. (If you choose to do question B, the full score is 100. (3 points) Xiao Fang collected some stamps. He took out half of the stamps, gave them to Xiao Lin with 1, and kept 36 for himself. How many stamps are there in Xiao Fang? B. (5 points) For a bottle of juice, 50 ml of the whole juice is missing after drinking half of it for the first time, and 25 ml of the remaining juice is added after drinking half of it for the second time. At this time, there is 125ml left in the bottle. How many milliliters is this bottle of juice? Proposition intention: the biggest purpose of designing this question is to examine students' habit and ability of examining questions. Students who don't look at the questions start with two questions and can't get full marks; Students who don't read the questions carefully and incompletely may miss the whole volume 100 if they choose a question at will; Students who study the topic carefully have to make a wise choice: they are able to answer question B, and everyone is happy to get full marks; If you can't answer question B, choosing the second best question A is a strategy. This topic makes the math test more than just a math test. Attachment: Reference answer 1. See the topic clearly and think skillfully. 1、57 , 12 ,32, 14 , 16 ,7 12 ,7,2 14 。 2、(4)[24]; ( 1 1) [33]。 3、x=53，x=0.5，x= 100，x=3。 4.518,76, 16 (simple calculation problem), 47,11(simple calculation problem). Second, think carefully and fill in the blanks carefully. 1、 67 ,77 ,7 。 2、5,3,(5,2) 。 3、 14 ,3 10 , 14 。 4、gt； ，& lt，& lt，& gt。 5、6,4,0.75 。 6、74 ,87 。 7、4, 50.24 。 8、 1,2,4 。 9、ab . 10、7 。 1 1, (1) 90,80 (2) 200, 150 (3) Wang Gang Li Fang. Third, choose carefully and choose the best among the best. B, B, B, A, A Fourth, weigh carefully and judge right and wrong. √, √, ×, × 5. Use both hands and brains to think in operation. (1), (1, 3) (2), (4,4) (3), (4) Omit (5) 28.26 VI. Apply knowledge to solve problems. 1, 4X= 14 or 14÷X=4 Suppose dad is x years old this year. X- 26= 12 or X- 12 =262, July 25th. 3、7 15 。 4, 56.52 meters. 5. 1 Restaurant is very crowded. Method A (Compare the average number of people per square meter) Method B: (Compare the per capita floor space) Restaurant 1: 84÷(8× 12)= 78 (people) 8× 12÷84 = 87 (square meter) Restaurant 2: 30. 68 people 87 square meters < 86 square meters, 6, A, 74. B. Original address of 500ml Lotus Hill courseware: /shti/wu/8 1876.htm Comments (8) | geili127 builti362013-06-161
2009-20 10 school year second semester final comprehensive volume five-year mathematics school class name (1) I'll fill it in, see (16) (1)4.3 cubic decimeter = () cubic decimeter () cubic centimeter 538 ml = (). (1.5) (3) 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 (). (3 points) (4) Write all the simplest true fractions () with a denominator of 6, and write two false fractions () equal to 1. (5)()⊙()= = () (decimal). (2 points) (6) The largest two-digit number that can be divisible by 2, 3 and 5 at the same time is (), and the prime factor that decomposes this number is (). (1 min) (7) () and () are prime numbers, their greatest common divisor is (), and their least common multiple is (). (2 points) (8) Put two cubes with side length of 1 decimeter into a cuboid. The surface area of this cuboid is () and the volume is (). (2 points) (9) A number can be divisible by both 12 and 18, and the smallest number is (). (1) (10) Cut a 3-meter-long square steel into three sections, the surface area is increased by 80 square centimeters, and the original volume of the square steel is (). (1) (2) A, B, C, D, I will choose. (Fill in the serial number of the correct answer in brackets, 5 points) (1) Cut the 4-meter-long rope into 5 sections on average, and the following scores () A, M B, M C, D, (2) cannot be converted into finite decimals. The product of the multiplication of two prime numbers A, B, C, D and (3) must be (). A, prime number b, odd number c, composite number d, even number (4) The capacity of a can of Coca-Cola is (). A, 355L b, 0.3m 3 C, 355ml d, 355 decimeter 3 (5) If the length, width and height of a cuboid are all tripled, its volume will be expanded (). A, 3 B, 9 C, 6 D, 27 3 strict judges. (Mark "√" for the right and "×" for the wrong, 5 points) (1) There is only one score greater than and less than. () (2) A pile of sand weighed 5 tons and was transported away, leaving tons. () (3) According to the number of divisors, natural numbers can be divided into prime numbers and composite numbers. () (4) A cube with a side length of 6 decimeters has the same surface area and volume. () (5) ι 3 represents the product of three ι. () (4) Strive to be a psychic operator (30 points) 1, and solve equations. (12 points)1x+= ②-2x = 32.7x-1.6 = 38.94x÷ 4.5 = 202. Calculate the following questions, and simplify what can be simplified. (18) (1)+(-) (2) 2-(3)-+(4) 68-7.5+32-2.5 (5)-(-) 3. Only formulas or equations are listed without calculation. (4 points) (1) What's the difference between the sum minus the sum? (2) 2.5 times a number is 2.8 less than 12.72. What's this number? (5), the actual operation (12 points) 1, a quantity, calculate. Measure the length of the following three line segments. If these three line segments are the length, width and height of a cuboid, what is the surface area and volume of this cuboid? (5 points) Surface area: volume: 2. Draw a picture (7 points). (1) The figure below is a cuboid with a length of 4 cm and a width of 1 cm. Please draw it into four cubes and draw it on the picture. (3 points) (2) Draw the height of this parallelogram first, then measure how many centimeters its base and height are (take the whole centimeter), and then calculate its area. A = () cm H = () cm S = () cm 2 (6) Apply knowledge to answer the following questions. (***32 points) 1. The teaching building has 24 classrooms of the same size and 6 teachers' offices of the same size, with a total area of1920m2. The area of each teacher's office is 32 square meters. What is the area of each classroom? (Write the quantitative formula first, then list the comprehensive formula without calculation) Quantitative formula: () ○ () = () Comprehensive formula: Class 2 and Class 5 (1) There are 30 people in the reading group, which is 6 times less than that in the calligraphy group. How many people are there in the calligraphy group? 3. The school shipped a pile of sand. It takes tons to build roads, tons to build walls, and tons left. How many tons more sand is left than used? A room is 6 meters long, 4 meters wide and 3 meters high. If all four walls of the room are covered with wallpaper, excluding 7 square meters of doors and windows, the wallpaper is per square meter 12.5 yuan. How much is the wallpaper of * *? 5. There are three steel wires with lengths of 12m, 18m and 30m respectively. Now, we must cut them into small pieces of the same length, but none of them are allowed to stay. What is the longest length of each piece? How many segments can a * * * be cut into? Comment (9) | geili92builti21201-06-3019: 08 Enthusiastic users
20 1 1 people's education publishing house, fifth grade, volume two, final examination paper, mathematical name: _ _ primary school _ grade _ class score: _ _ 1. Fill in the blanks. (65438+ 0 for each empty space, 24 points * * *) 1, Xiao Mingyuan has 20 yuan money again, and after spending X yuan, there is still (_ _ _) yuan left. 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 = (_ ∕ _) 25 hectares = (_ ∕ _) square kilometer 10. Of all the divisors of 20, the largest is (_). In all multiples of 15, 1 1, there is a cube dice, and the numbers on its six faces are 1, 2, 3, 4, 5 and 6 respectively. When you roll the dice once, the probability of getting a composite number is (_ ∕ _), and the probability 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. ………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………… ……………………………………………………………………… ……………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………… ………………………………………………………………………………………………………………………………………………… …………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………… ………………………………………………………………………………………………………………………………………………………………………………………………… () 5. Divide the 2m-long electric wire into four sections, each section is 65438+ ............................ (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 B. 15 C. 9 D.6 2 and x∕7 are true fractions, and the value of x has () possibilities. A.3b.4c.5d.6There are 28 boys and 25 girls in classes 3 and 5 (3), and boys account for () of the class. a.25∕28 b.25∕53·28∕53 d.28∕25。 Divide 4 grams into 5 parts, each part is (). 4∕5 5∕4 1∕5 4∕9。 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, carefully calculate (40%) 1, Write the number 4% 6.3+7 = 21.5+9.5 = 2.5× 0.4 = 42.8-4.28 =1-0.0/= 3.5 ÷ 0.5 = 8.2 ÷ 0.00. 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 calculation: 9% (2.44-1.8) ÷ 0.42.9×1.4+2× 0.1630.8 \ (6 points) ① The sum of 7 x's is 10.5. V. Application problem: (26%) 1. There are 138 male athletes and 7 female athletes in the 28th Olympic Games in China, which is twice as few as that of 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? Name of the final examination paper _ _ _ _ _ _ _ _: 1. 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 = (_ _) 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 numbers A and B is 8: 5, number B is 25 and number A is () 6. In 25: x, when X= (), the ratio is 1, and when X= (), the ratio is meaningless and can be proportional to 23 :2. 7. Party A is twice that of Party B and Party C is twice that of Party A, so Party A: Party B: Party C =() 8. A worker produced 200 parts, of which 4 were unqualified, and the qualified rate was ()% 9. If it takes 12 hours to complete a job, it takes 10 hours to complete it. 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, and the formula with unknown number is called equation. () 2. Integers less than 3 are 1 and 2. () 3, 9∕ 15 cannot be converted into finite decimals. () 4, because 45