论文部分内容阅读
一、教学目标(一)认识与记忆1.记住6、7、8、9的乘法口诀。2.记庄用乘法口诀求积的方法。3.记住用乘法口诀求商的方法4.认识乘、除法竖式的写法。5.认识有余数的除法,记住余数一定要比除数小。6.认识两步计算的式题,记住乘除法两步计算式题的运算顺序。(二)理解1.理解乘法的意义。2.理解乘法口诀的来源,明白每句口诀表示的意思。3.理解除法的意义,懂得等分除的含义。4.理解用乘法口诀求商的算理。5.理解除法的意义,懂得包含除的含义。
First, the teaching objectives (A) understanding and memory 1. Remember 6,7,8,9 multiplication formulas. 2. Remember Zhuang multiplication formula with multiplication method. 3. Remember to use multiplication formulas to find business 4. Know multiplication, division, vertical wording. 5. Know the division of the remainder, remember that the remainder must be smaller than the divisor. 6. Understand the two-step calculation formula, remember that the multiplication and division two-step formula expression sequence of operations. (B) understand 1. Understand the meaning of multiplication. 2. Understand the source of multiplication formulas, understand the meaning of each expression. 3. Understand the meaning of division, know how to divide the meaning of division. 4. Understand arithmetic multiplication formula to seek business. 5. Understand the meaning of division, know the meaning of inclusion.