九年义务教育小学数学教材的一个显著特点，就是十分重视学具在教学中的运用。充分利用学具组织学生进行必要的操作活动，也是优化课堂教学、实施数学素质教育的重要手段。通过学具的操作、运用，为学生创设一个感知、探索、思考的环境，让他们通过数一数、摆一摆、做一做等多 Nine-year compulsory primary school mathematics textbooks a notable feature is that attaches great importance to the use of learning in teaching. It is also an important means to optimize the classroom teaching and carry out the mathematics quality education by fully utilizing the students to organize necessary operation activities. Through the operation and application of learning tools, we can create an environment for our students to perceive, explore and think, so that they can pass the count, put one on top and do the other