连加连减 加减混合Ban tu wang sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor;Ban tu wang sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor第5课:6-10的认识和加减法汇报人:渲模网
连加连减The user can demonstrate on a projector or computer, or print the presentation and make it into a film to be used in a wider fi1
情景激趣5+25+2+15+2+1=78
情景激趣8-28-2-28-2-2=64
启智拓展1852
巩固练习2+3=5+4=2+3+4=4+2=6+4=4+2+4=1+2=3+3=1+2+3=59610365961036
巩固练习2216
拓展练习902996+2+1=9-6-3=8-4-2=8+1+0=0+2+7= 8-5-2=1
巩固练习9 - 5 - 3= 1(个)
巩固练习横行、竖行上的数相加,各得多少?32154( )( )( )( )( )( )( )( )1634322158810898910
加减混合The user can demonstrate on a projector or computer, or print the presentation and make it into a film to be used in a wider fi2
情景激趣4+3-2=75
情景激趣4-2+3=25
启智拓展从图中你知道了什么?你能提出一个问题吗?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=59
拓展练习1+4+5=1010-4-4=22+7+0=97–6+5=68–1–3=42+6–7=1
拓展练习
巩固练习10-4+2= 2+6+1= 8- 3- 5=4+2+ 1=7- 2+ 4=6- 3 - 1= 9- 2- 1= 3+2- 4= 6+3- 3=8769109216
巩固练习=8-3+27
巩固练习-=+5326
课后练习课堂小结:1、今天学习了什么内容?2、你还有什么不明白的吗?布置作业:完成练习十四、十五习题
课程结束~