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(Wen|Sun Qian Nanjing City Youfu West Street Primary School) Flipping classroom refers to re-adjusting the time inside and outside the classroom, and transferring the decision-making power of learning from the teacher to the student. In the flip-style classroom teaching mode, students complete knowledge learning at home, and the classroom becomes a place for interaction between teachers and students and between students and students, including answering questions and using knowledge, so as to achieve better education. effect. The popularity of the Internet and the application of computer technology in the field of education have made the flipping classroom teaching model feasible and realistic. Students can use high-quality educational resources through the Internet, instead of simply relying on the instructor to teach knowledge.
In the teaching mode of flipping classrooms, the main way for students to complete knowledge learning at home is to watch pre-school instructional videos (also called pre-school micro-videos) recorded in the classroom. Therefore, the recording of pre-school instructional videos is a very critical part, which will have a huge impact on the students' learning knowledge. Pre-school instructional video mainly refers to the use of video to record the whole process of wonderful teaching and learning activities carried out by teachers around a certain knowledge point (key points and difficult points) or teaching links in the process of teaching and learning inside and outside the classroom. Its core content is the classroom teaching video (study fragment), and also includes teaching materials related to the teaching theme, material courseware, teaching reflection, practice test and student feedback, teacher comments and other auxiliary teaching resources. The organizational relationship and presentation method jointly “created†a semi-structured and thematic resource unit application “small environmentâ€. According to the cognitive characteristics and learning rules of primary and secondary school students, the length of the video before class is usually about 5-8 minutes, and the longest time is not more than 10 minutes. Therefore, compared with the broader traditional classroom, its problems are gathered, the theme is prominent, the content is streamlined, and it is more suitable for teachers and students. In terms of size, the total capacity of video and supporting auxiliary resources is generally several tens of megabytes. The video format must be a streaming media format (such as rm, wmv, flv, etc.) that supports online online playback. Teachers and students can smoothly observe online classes. For example, view auxiliary materials such as lesson plans and courseware; or download and save them to terminal devices (such as laptops, mobile phones, MP4, etc.) for mobile learning, which is very suitable for teachers to observe, evaluate, reflect and research. .
There are many ways to make pre-course instructional videos. At this stage, there are mainly the following methods: (1) DV+ white paper; (2) PPT+ tablet; (3) iPad. According to different environments and conditions, it is selectively used in the above methods.
(1) DV+ white paper
This is the easiest way to record, only one ordinary camera (or mobile phone with camera function) and white paper. In general, in order to improve the visual effect, you can place the camera directly above the recorder, and be careful not to block the lens. When recording, the recording person can write the content on the white paper and verbally tell.
Advantages: Simple configuration, easy operation, no special software configuration, and no need for special training.
Disadvantages: easy to block the lens, handwritten fonts are not standardized, the visualization is not very good.
(2) PPT+ screen recording software
This is the most commonly used recording method. In the micro-courses recorded, it is basically recorded in this way. Under normal circumstances, to install a screen recording system for the computer, the commonly used software is camtasia studio, screen recording experts, etc., and configure the microphone. The recorder creates a PPT according to its own teaching content, and uses the microphone to explain while playing the PPT. The entire process is recorded by the screen recording software and saved as the corresponding wmv, flv, mp4 and other formats. If the content to be taught requires presentation or explanation while working, you can use the tablet together.
Advantages: The visualization effect is good, the operation is simple and easy to learn, and the details in the learning can be effectively highlighted.
Disadvantages: The hardware needs to be invested, which has higher requirements for the teacher's own courseware production level and expression ability.
(3) iPad (tablet))
The iPad, released on January 27, 2010, is sweeping across the globe. Similarly, in the micro-course production, you can also use the iPad. First, to install the program on your tablet, the recommended programs are ShowMe, Education, Ask3, and so on.
The method of production is as simple as using a piece of white paper to explain an example to a classmate sitting next to you. Using this app, teachers can turn the iPad into a Khan teacher's whiteboard (functionally similar to the blackboard of our traditional classroom), and make a course on the board while doing the course explanation. The process of the board book and the voice of the teacher's explanation will be recorded in the video course by ShowMe. The application does not require the teacher to show his face in the video course. The whole screen of the video is the whiteboard.
Educreations is another application similar to ShowMe. In addition to a large whiteboard for the teacher's board, there is a function bar at the top of the interface. Just click the record button at the far right of the function bar, and the teacher can start to lecture with his own board. In addition, teachers can find images from the local, Dropbox cloud or online, import whiteboards, and Educreations allows teachers to mark up on imported images. In addition, the function bar provides a button to undo and clear the screen.
After the teacher has recorded the video lesson, you can also choose whether the video is visible only to the student or visible to everyone. If it is only visible to students, Educreations will send the course notification information to the student's mailbox, otherwise the course will be shared to the Edcreations platform.
Advantages: It is possible to use the fragmentation time to effectively produce micro-courses.
Disadvantages: The use of hardware is more demanding.
As for the learning society and lifelong education system under construction in China, with the rapid development of information and communication technology, like the many social tools that are widely used, such as Weibo and Facebook, the flipping classroom will also have a very broad Educational prospects. Especially with the popularization of handheld mobile digital products and wireless networks, mobile learning, distance learning, online learning, and ubiquitous learning based on flipping classrooms will become more and more popular, and it will become a widely popular teaching and learning. the way.
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