加减混合
口算:3+4+0=4+1+3=2+1+3=6-3-1=8-5-2=7-0-3=__________________________________________________
二、看图列式{?朵__________________________________________________
=二、看图列式{?朵10532++__________________________________________________
{9个__________________________________________________
={9个4941--__________________________________________________
怎样计算连加连减?按从左到右的顺序来计算。想一想__________________________________________________
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4+3-2=75__________________________________________________
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4-2+3=25__________________________________________________
从图中你知道了什么?你能提出一个问题吗?做一做:池塘里原来有6只小鸭,来了3只,又走了4只,现在池塘里有几只小鸭?__________________________________________________
从图中你知道了什么?你能提出一个问题吗?做一做:池塘里原来有6只小鸭,来了3只,又走了4只,现在池塘里有几只小鸭?6+3-4=95__________________________________________________
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怎样计算加减混合?按从左到右的顺序来计算。想一想__________________________________________________
1+4+5=10-4-4=7-6+5=2+7+1=8-1-3=2+6-4=计算:__________________________________________________
今天你有什么收获?__________________________________________________