练习五,北师大版一年级数学下册,教学目标,1.通过练习,使同学们进一步掌握两位数加两位数的计算方法,能正确地进行计算。2.发展同学们的估算意识和解决实际问题的能力。,80,62,94,62,98,75,35,55,90,(米),67,64,41,64,64,67,52,41,52,37,32,60,26,45,50,1,10099=1,90,10010=90,80,20,17 18,35,(个),4035 能装下,加数+加数=和,82,85,85,54,61,91,80,22,31,42,32,33,34,43,45,54,44,13,小明比小亮少投多少米?,15 10,5,13m,(4555),(3040),(4959),(2030),(3242),(2636),再见!,