一、说教材《连加》是义教五年制数学第一册Ｐ６２的内容 ,第二单元的《１０以内数的认识和加减法》是本册教材的一个重要内容 ,连加又是本单元的一个难点。连加是一节新授课 ,它是在学习了１０的认识和１０以内数的加减法以后 ,针对一个数可以分成两个数以上 ,在实际情况中有 First, the textbook “plus Canada” is the first five years of moral education P62 content of the second unit, “10 within the number of understanding and addition and subtraction” is an important part of this textbook, even plus A difficult part of this unit. Even Canada is a new lectures, it is to learn the 10 and less than 10 after the number of addition and subtraction, for a number can be divided into more than two numbers, in fact, there are