9加几教学反思 txt（9 add a few reflections on the teaching of TXT）.docVIP

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9加几教学反思 txt（9 add a few reflections on the teaching of TXT）.doc

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9加几教学反思 txt（9 add a few reflections on the teaching of TXT）

9加几教学反思 txt（9 add a few reflections on the teaching of TXT） Create problem situations and encourage diversification of algorithms 9 plus several classroom cases and reflection Background analysis Mathematics curriculum standards calculation for low grade teaching is to guide students to contact their side specific and interesting things, through observation, operation, problem solving and other rich activities, feel the significance of the number, the number of functions used to represent and exchange experience, the initial establishment of the number sense, advocates diverse algorithm. 9 plus a few this teaching content is the first class within 20 plus, plays an important role in the link between the preceding and the following. I will pay attention to in the teaching of 9 plus a few calculations in students with vivid life background, found in the creation of mathematical problems, to provide a variety of algorithms exchange opportunities; to guide students to observe life, with the view of mathematics problems in operation and communication activities such as plot independent exploration, and gradually develop observation and thinking habits and consciousness from the quantity. Teaching fragments Part 1: creating a problem situation, motivating yourself to explore. At the beginning of the new lesson, with the students own participation in the sports meet as the breakthrough point, created the 9 plus a few problem situation - how many boxes of drinks? As the question was raised, many students showed a puzzled look; after a student discussion and exchange, a few students held up their hands. Student 1: you can count 1, 2, 3, 4 from one to the other in the box,...... There are 13 boxes. Student 2: Im also one by one, but I count 13 boxes from outside to the inside of the box. Student 3: Im different from them. I followed them. There are 9 boxes in the box. Then there are 10, 11, 12, 13 and 13 boxes outside. Student 4: so do I. I saw 4 boxes outside the box. Then I