.whiteboard 5 x 4.Because of their young age and curiosity, primary school students are always curious about things they are interested in and always want to explore. With its bright colors, beautiful sound effects, and varied images, colors, annotations, screen capture, hiding, animation, etc., the interactive whiteboard greatly caters to the interests of lower grade students and enables students to maintain for a long time. Your own attention. For example, in the teaching of "Sit in the Sky", in order to let students understand the words "well along" and "infinite" in a concrete, vivid and vivid way, the author collects "wells, birds, frogs, sky, grassland" online before class. The relevant information of the sea and the sea, using the function of the electronic whiteboard, can be called at any time in the classroom, and even let the students drag the pictures on the stage, so that the students have both the image perception and the actual hands-on operation, and the learning is more interested.