 Wysłany: Wto 12:57, 10 Maj 2011 Temat postu: Abercrombie,Find a number is another application o |
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| Find a number is another application of a few percent the number of questions - teaching lesson plans
Teaching head 1. The number of students seeking to understand and grasp the number of percentage of several other questions should be problem-solving ideas. 2. Understand the meaning of percentage,MBT scarpe vendita, information on the percentage. 3. Should be teaching through questions, penetration patriotism Education . teaching emphasis make students understand the significance of the percentage basis,Abercrombie, the number of school seeking to be another few percentage number of questions. teaching difficult really flexible analysis should be questions of control of such questions should be. the teaching process , reviewing for ( ) What is the percentage? (b) the number of columns into a percentage. (Reserved bits) 0.75 = 1.25 = 0.432 = 0.8895 ≈ 1.02 = = 5 ÷ 8 = 8 ÷ 5 = (c) of the column is calculated. (Lesson Demo: percentage should be) 160 sixth grade students who have already reached the fraction of a few? Results: The number of seeking another sort of a few should be the number of questions, both because of the demand expressed by the number of rooms multiple relationships, so the division calculation. The key to identify the unit Second, the new grant teaching (continued demonstration lesson: the percentage should be) ( ) Teaching cases 1 1. Change the title for example, a few changes to 160 sixth grade students who have already reached the (1) reading problems, understanding the problem. (2) ratio: ready to question what is the difference? (3) Group Discussion: What ideas? Formulation? (4) class reporting teacher writing on the blackboard: the national standards for physical training has reached sixth grade, the number of ÷ the total number of 120 ÷ 160 = 0.75 = 75% (5) Teacher Follow-up: The results mean? Name what is not? 2. Than the (1) What are the differences? (2) answers to such questions should be the key to what? (b) teaching cases 2 1. Teaching Meaning (1 ) the percentage is also the name? (2) daily life heard what rate? (3) What formulation? × 100% 2. Teaching Example 2 (continued demonstration lesson: the percentage should be) Example 2. Seeds of a county extension stations,Abercrombie,On the legal nature of the civil burden of proof _, 300 of maize seed germination experiments to do, the results are 288 seeds germinate. Germination requirements. (1) reading problems, understanding the problem. (2) talk about what the germination rate formula? (3) students try to do. (4) class set. 3. Reflections: Can you tell home a percentage of formulas? Third, consolidation exercises () line calculated 1. Plant trees and 40 sixth-grade class, second class trees 48 sixth-grade and sixth grade three classes of trees 50. (1) percentage of double shift classes of several species of tree? (2) percentage of class plant a tree is equivalent to two classes a few? ( 3) second class plant a tree a few percentage of the total grades three classes? 2. State bird species complex, there are about 1166 kinds. About 8590 kinds of birds around the world. States accounted for about bird species in several hundreds of bird species around the world? (Percent sign surface to retain the number of integer) 3.2000 千克 squeeze peanut peanut oil 760 kg, the demand rate of peanut oil formula, and calculate the rate of peanut oil. (b) Practice of Compiling Code Road Learning through today What's the catch? V. Homework 1. In 1999 a city living expenses per person per year on average 5,800 yuan, 6,380 yuan in 2000. The city in 2000 the average annual per capita living expenditure of a few percentage in 1999 ? 2. Zhiqiang school 650 trees last year,Abercrombie France, 634 live trees, the survival rate of less? (Percent sign surface to retain the number of digits) 3. Technology group of maize seed germination. 500 seeds tested, with 15 not germinate, germination rate of demand. 4. A flour mill, flour milled 40,000 34,000 kilograms thousands McCauley, find the rate of wheat flour. lesson plans Comments: the design to several characteristics of teaching: 1, based on knowledge migration law will pave the way for. According to a new lesson 2, lead students to find similarities and differences between old and new knowledge, progress, strengthen the teaching focus. 3, carefully designed exercises,Abercrombie France, depth of knowledge. exploration activities percentages do not score Activities Head 1. Percentage points better understanding. 2. Train students to analyze, summarize capabilities. activities subject percentages do not score? active process 1. Teachers present topics for discussion. 2. Students to discuss. 3. Student group reporting. 4. Teacher summary. Event Description this event to debate the form of mining. read the article-www.kanwenzhang. com find a few percentage of the number of the other should be the number of the text title of the kanwenzhang Education Network www.kanwenzhang.com collection, copyright for all, reproduced indicate the source! [color=#] exciting to do in kanwenzhang.com [/color] <DIV class == |
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