小学数学空间与图形教学是一个难点问题,学生在学习上常感枯燥。以此为契机,制作一款益智易趣的“点线面多功能演示器”教具辅助教学,成为提高空间与图形教学效率的好工具。该教具能突破空间与图形教学的重难点,可以使枯燥乏味的空间与图形教学富有趣味,且有利于学生动手操作和合作交流。 Primary school mathematics space and graphics teaching is a difficult problem, students often feel boring learning. Using this as an opportunity, making a puzzle eBay “Dot Line Multi-Functionality Demonstrator ” teaching aids to teach as a tool to improve the efficiency of space and graphics teaching. The teaching aids can break the heavy difficulties of space and graphic teaching, can make the boring space and graphic teaching rich and interesting, and is beneficial to the students’ hands-on operation and cooperation and exchange.