Class _ _ _ _ _ _ Group Name _ _ _ _ _ Group Evaluation _ _ _ _ _ _ Teacher Evaluation _ _ _ _ _

fill (up) a vacancy

1. The statistical charts we have studied are (), () and ().

2. The factory needs to count and reflect the output value of each workshop, and should choose the statistical table ().

3. Fan chart can clearly see the relationship between () and (). The steps of drawing a fan-shaped statistical chart are (), () and ().

4. There are 40 students in a class, and there are 15 students who participate in the math interest group. After making a fan map, the percentage of fans in the math interest group is ().

5. A school has 100 students taking part in the math contest, with an average score of 63, including 60 for girls and 70 for boys, with more girls than boys.

6. Chickens and rabbits live in the same cage. * * There are 100 heads and 3 16 feet, so there are () chickens and () rabbits.

7. Longquan Primary School held a math contest in the sixth grade with ***20 questions. Get 5 points for doing a correct question, and deduct 3 points for not doing or doing a wrong question. Xiaoming got 60 points, so he did the problem correctly.

8. There are ***27 boxes of pens and pencils and * * * 300 pens. A box contains 10 pens and 12 pencils, so there are () boxes of pens and () boxes of pencils.

9. Workers transported 250 celadon vases, and agreed to transport them to their destination completely, and paid the freight to 20 yuan, and the compensation for the damage was 100 yuan. After these vases were shipped, the workers got 4400 yuan, but only () was damaged.

Two. Calculate the following questions

2.5×32× 12.5 0.5× 15+ 12÷0.5

(27+ 13)× 1 13+23 (927+727)÷(57+59)

3. Apply what you have learned: Solve the math problems in your life in your own way.

1. There are 50 buckets of all sizes. Each big bucket contains 4 kilograms of water, each small bucket contains 2 kilograms of water, and two buckets contain 120 kilograms of water. How many barrels are there?

2. Miss Wang bought 24 Chinese books and math books with 300 yuan's money and got them back 15 yuan. There is a Chinese book 12 yuan and a math book 1 1 yuan. How many Chinese books and math books did you buy?

3. The PE teacher bought ***2 1 piece of sportswear tops and pants, 439 yuan, of which 24 yuan and pants each 19 yuan. How many shirts and trousers did the teacher buy?

4. Mother squirrel picks 20 pine nuts every day in sunny days and 12 in rainy days. She picked 1 12 pine nuts for several days, with an average of 14 pine nuts per day. How many days has it rained these days?

★ Wisdom Paradise

Chickens and rabbits are 100 feet. If chickens are replaced by rabbits and rabbits are replaced by chickens, * * * has 1 10 feet. How many chickens are there?

How many rabbits are there? Unit 7 Department Statistics Chart Teaching Plan Unit teaching material analysis: The main teaching contents of this unit include: understanding the department statistics chart, using the department statistics chart to analyze and understand the necessary information, and choosing the appropriate statistics chart. The textbook pays attention to the selection of materials from life and production, and tries to dig out the relevant mathematical elements around students, which not only expands the channels for students to collect data, but also highlights the close relationship between statistics and production and life, so that students can appreciate the use value of statistics. The textbook leads to fan-shaped statistical charts through statistical tables, and guides students to understand the characteristics and functions of fan-shaped statistical charts. From the fan-shaped statistical chart, we can clearly understand the relationship between the quantity of each part and the total amount. With examples, students can further understand the statistical chart and choose the appropriate and reasonable statistical chart according to the needs of solving problems. Unit teaching objective: 1. Knowledge and skills: (1) Understand the characteristics of departmental statistical charts, know that departmental statistical charts can intuitively reflect the percentage of partial quantity and total quantity, read necessary information from departmental statistical charts, and choose appropriate and reasonable statistical charts according to the needs of problems. (2) Experience the application of statistics in real life through the process of collecting data, sorting out data and analyzing data. 2. Process and method: collecting statistical examples in life and sorting out the methods of collecting data; Experience the understanding and application of fan-shaped statistical charts, experience the learning method of comparative observation, and describe the characteristics of various statistical charts in your own language; Develop students' statistical concepts in the process of solving practical problems with statistical knowledge. Unit teaching method: 1. In teaching, we should find materials that are close to students' lives, explore learning content and stimulate students' interest in learning. 2. Contact with students' existing knowledge and experience, so that students can take the initiative to learn, discover independently and experience the interest of happy learning. Unit class schedule: 2 class hours 1. Department statistics chart 1 class 2. Selection of statistical chart 1 departmental statistical chart in class (first class) Teaching content: teaching objective: 1. Let students understand the characteristics and functions of fan-shaped statistical charts with examples. Can get the correct information from the fan-shaped statistical chart, and can make reasonable explanation and inference. 2. Combine the fan-shaped statistical chart with the given topic, connect with real life and solve the problem. Teaching emphasis: Understand the basic characteristics of the data described in the fan-shaped statistical chart. Difficulties in teaching: obtaining information from fan-shaped statistical charts and solving problems. Students' Activity Sheet Teachers' Guidance Learning Objectives Through examples, we know the characteristics of fan-shaped statistical charts, and know that fan-shaped statistical charts can intuitively reflect the percentage of parts in the total, and can read the necessary information from fan-shaped statistical charts. Activity 1: Think about it and fill it in. 1. Review 1. What types of statistical charts have we learned? 2. What are their characteristics? Bar chart can clearly see _ _ _ _1. What statistical charts have you learned? Show everyone what you know about statistical charts. Today we will continue to study statistics. Second, the activity process Activity 1: Think about it and fill it in. 1. Guide the students to tell the types of statistical charts they have learned in the group? 2. According to the activity list, let the students exchange and discuss in the group and make a fan-shaped statistical chart. How much is the sixth unit of sixth grade mathematics in Mapo school district activity list? The dotted line statistical chart can not only show the number of _ _ _ _ _ _ _, but also show the situation of _ _ _ _ _. 3. Everyone be a fan. (1) What is a central angle? The angle of the vertex on the center of the circle is called _ _ _ _ _ _ _. (3) What is the angle of the circle? ____________。 4. Oral answer: What is 50% of 360 degrees? What is 30% of 360 degrees? What is the 12.5% of 360 degrees? What is 20% of 360 degrees? 5. Draw a fan with a central angle of 45 degrees. 5. What determines the size of a sector in the same circle? In the same circle, the size of the plate is related to the size of this plate, and the bigger the plate, the bigger it is. Activity 2: Think for yourself and you will get something soon. 1. Observe the theme map on page 96 of the textbook. (1) What sports are drawn on the theme map? If you want to count the number of people participating in various sports, what kind of statistical chart should you use? (2) Draw a statistical chart that you think can reflect the number of people in various sports. (3) Calculate the percentage of people who like all kinds of sports in the class. The percentage of people who like all kinds of sports in the class. Can you see this information directly from the bar chart? If you want to know more clearly the relationship between the quantity of each part and the total amount, you can use a fan-shaped statistical chart to express it. Test feedback 1. Complete exercise 25 in the textbook, question 1. Is it reasonable to evaluate Li Ming's schedule? What's the difference between your schedule and Li Ming's schedule? 2. Complete the second question of Exercise 25 in the textbook. What information do you get from this fan-shaped statistical chart? 3. On the basis of students' discussion and communication, the teacher asked: Please observe carefully and tell me what kind of statistical chart to use if you want to count the number of people participating in various sports. So obviously, if you want to know more clearly the relationship between the quantity of each part and the total amount, you can use a fan-shaped statistical chart to express it. 4. Understand the characteristics of the fan chart. The total number is expressed by the area of the whole circle, and the percentage of each part in the total number is expressed by the size of each sector in the circle. We call this statistical chart an inflammatory sector statistical chart. We can clearly show the relationship between the quantity of each part and the total amount through the fan-shaped statistical chart. Activity 2: Think for yourself and you will get something soon. Students combine their self-taught knowledge, and then discuss in groups what information can be obtained from the fan-shaped statistical chart. Teachers should pay attention to how to guide students to discuss, so that students can gradually cultivate the habit of discussion and correct thinking. Please ask several students to speak and explain the application of fan-shaped statistical chart in life. According to the students' speeches, the teacher concluded: We can use a fan-shaped statistical chart to express the relationship between the number of each part and the total, which is widely used in statistics. Third, after-class summary This lesson is about the understanding of fan-shaped statistical charts, requiring students to understand and master the primary application of fan-shaped statistical charts in life and solve simple statistical problems correctly and skillfully. Fourth, homework teaching reflection: Ma Po school district activity list guidance case sixth grade mathematics unit 6 statistical chart selection (second class) Teaching content: textbook page 98 ~ 99 Example 2 Teaching objective: 1. Learn to collect data, choose appropriate statistical charts, and draw statistical charts according to the collected data. 2. Can make fan-shaped statistical charts, and can correctly use the characteristics of statistical charts to accurately, reasonably and normatively reflect relevant data. 3. Cultivate students' abilities of observation, analysis, hands-on practice and induction through discussion, group cooperation and hands-on operation. Teaching emphasis: choose the appropriate statistical chart according to the actual situation. Teaching difficulty: making statistical chart. Student activity list Teacher-directed learning objectives 1. Learn to collect data, choose appropriate statistical charts and make statistical charts. 2. Can make statistical charts. Learn the key points and difficulties, choose the appropriate statistical chart according to the actual situation and make the statistical chart. Activity 1: Review old knowledge. 1. Judge. (1) There are many kinds of statistical charts, and the bar chart is the most commonly used. () (2) The advantage of fan-shaped statistical charts is that people can see the overall proportion at a glance. () 2. Characteristics of bar, broken line and fan-shaped statistical charts Activity 2: Exploring new knowledge. 1. The ocean area accounts for 7 1%, and the land area only accounts for 29%. In order to visually show how much land area accounts for the whole earth area, it is best to choose () A. Bar chart B. Line chart C. Fan chart D. Statistical table 2. According to statistics, in recent years, the world forest area is disappearing at the rate of170,000 hectares per year. Activity 3: Improving Ability A ball game will be held in the sixth grade of a primary school. The grade director wants to make a survey in our class and count his favorite basketball, football, badminton and table tennis (everyone chooses his favorite ball games). Ask the students to help the grade director finish this. 1. Introduction Teacher: What statistics have we studied? Student: Histogram, line chart and fan chart. Teacher: What are the characteristics of these three charts? Under what circumstances are they suitable for use? Students discuss in groups and report by name. Teacher: In this class, we will learn the choice of statistical charts. Activity flow Activity 2: Exploring new knowledge 1. Guide students to preview new knowledge. Ask the students to teach themselves pages 98 ~ 99. After the study, complete the related exercises of "autonomous learning" and record the problems. 2. Self-study test. Organize students to test each other and exchange questions. 3. Guide students to ask questions. Teachers patrol, participate in group communication and prompt instructions in time. Students will summarize the collected questions and report them. Teacher's summary: (1) Both bar chart and line chart can show the change of quantity and energy, but line chart can show the change trend of quantity and energy with time more intuitively; (2) The relationship between quantity and total amount can be expressed intuitively by fan-shaped statistical chart; (3) In order to display specific data intuitively, you can use bar charts. Activity 3: Capacity improvement 1. Each group exchanged and cooperated with each other and summed up the method of drawing statistical maps. 2. The teacher patrol, prompt guidance in time. Third, after-class summary This lesson is about the selection of statistical charts, which requires students to understand the teaching reflection of Unit 6 of Grade 6 Mathematics in Ma Po School District: investigate and make the results of a statistical chart response survey. Requirements for cooperative exhibition: 1. Drawing specification 2. Improve the speed while ensuring the quality. If you were a grade director, what decision would you make according to the survey results? And master the application of bar, broken line and fan-shaped statistical chart in life, and can choose the appropriate statistical chart according to the actual data provided. Fourth, homework

Video courses and learning materials for primary and secondary schools are open. Please visit the forum for video courses and learning materials. 2 4. The figure on the right shows the yield statistics of three kinds of vegetables. It is known that the output of cucumber is 700 kg and that of tomato is () kg. a，2000 B，900 C，400 5。 The town's unified examination, the pass rate of A school is 99%, and the pass rate of B school is 98.5%, so the number of people passing is (). A is not as good as B. A is more C and B is more 3. True or false (2 points for each small question, *** 10) 1. The number of boys accounts for 60% of the class, and boys are 20% more than girls. () 2. The advantage of the fan chart is that you can see the relationship between the number of parts and the total amount. Doctors usually take out stitches to record the changes of patients' body temperature. () 4.6 1 class passed the exam once, 48 people passed, 2 people failed, and the passing rate was 98%. () 5. Put 10g salt into 10g water, and the salt content is 10%. () 4. Complete the following questions as required. (60 points) 1. China has a total land area of 9.6 million square kilometers. The following is a statistical map of China's terrain distribution. Please answer the questions according to the statistical chart. (15) (1) What percentage of the total area is mountainous in China? (2 points) (2) Among all kinds of terrain, what terrain has the largest area? What is the smallest? (3 points) (3) Please calculate the actual area of various terrains and fill in the table below. (10) Topographic type Mountain, hill, plateau, basin and plain area (10,000 square kilometers) 2. The expenditure statistics of Cong Cong's family in June 2009 are as follows. The total expenditure of Cong Cong's family in June 2009 was 3,600 yuan. Please answer the question. (9 points) (1) Which item spent the most this month and how much did it cost? (2) How much did you spend on culture and education? How much did you spend on clothes? (3) What percentage is the expenditure on clothing less than that on culture and education? How much did you spend less? Cucumber 35% tomato 45% spinach 20% plain 12% basin 19% mountain 33% plateau 10% hill 26% clothes 20% education 25% meals 35% water and electricity 12% others 8% 3. The picture below is what a school teacher likes. (8 points) (1) What percentage of teachers in experimental primary schools like "going into science"? (2 points) (2) There are 20 more teachers who like Windmill than those who like Focus Interview. How many teachers are there in the experimental primary school? (3 points) (3) How many people like News Network and Into Science? (3 points) 4. The following is the statistical table of seedlings in the seedling base of forest farm. (9 points) (1) There are 2,500 willows. What is the total number of these saplings? (2) How many cypress and locust trees are there? (3) What percentage is poplar more than pine? 5. Statistics on the production of food companies in the first half of 2009 (8 points) (1) (the highest output is in) month, and the lowest output is in () month. (2 points) (2) What is the average monthly output in the first half of the year? (3 points) Entering Science ()% News Network 28% Big Windmill 25% Focus Interview 15% Unit: ton July 2009 1 February March May June10 20301416/. (3 points) 6. The output of TV factory in the fourth quarter of last year is shown in the following figure. (1 1) It is known that the output in1October is 85% of that in 1 1 month, and the output in1February is 25% higher than that in1month. How many units were produced in (1)1month and1February? (6 points) (2) Mark the output of 1 1 month and1February on the diagram, and complete the statistical table of disconnection. (5 points)

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