人教版一年级上册数学《10的认识及加减法》完整ppt课件

.,1,10,10的认识及加减法,2013年秋季学期中心完小一年级,.,2,摆10朵。,.,3,10,9,.,4,1,8,2,7,3,6,4,5,5,先用摆一摆，再填数。,看到每一组，还能想到什么?,.,5,.,6,.,7,.,8,.,9,.,10,6,10,3,8,.,11,10的加减法,.,12,4.,6,10,6,10,10,4,4,6,.,13,6.,5,7,2,9,3,8,6,4,1,.,14,842,2.,10-=,731,10-=,.,15,7.,10个,?个,?个,8个,3,10,7,-,2,8,10,+,.,16,10.,5,5,5,5,10,+,.,17,填上数，使每条线上的三个数相加都得10。,6,5,4,.,18,+=+=+=+=+,0,9,8,1,7,2,6,3,5,4,把0、1、2、3、4、5、6、7、8、9这十个数填在里，每个数只能用一次。,.,19,1.找朋友。,.,20,.,21,想一想。,.,22,1.,012347810,5,6,9,.,23,2.,10,9,7,4,3,2,.,24,3.,9,7,5,3,1,10,8,6,4,2,2,4,6,8,3,5,7,9,1,.,25,5.哪两张卡片上的数相加得10?,6+4=104+6=10,.,26,8.,比多_。,比少_。,3,3,.,27,9.在里填上“”“”或“=”。3+692+477+3910-489-359+09,=,=,.,28,10.,5,5,5,5,10,+,.,29,把0、1、2、3、4、5、6、7、8、9十个数填在里，每个数只用一次。,+=+=+=+=+,0,9,8,1,7,2,6,3,5,4,.,30,7+()=10,3,7加几等于10?,.,31,再画几面就是8面?,_,6+()=8,2,.,32,1.,7+()=8,1,5+()=9,4,.,33,2.,5+()=82+()=74+()=10,356,.,34,1.,4+()=10,6,3+()=7,4,.,35,3+()=52+()=84+()=82+()=6,2.,2644,6+()=94+()=75+()=76+()=10,3324,.,36,?条,3,+,7,10,3.,.,37,5+2+1,=8,连加连减,.,38,8-2-2,=4,.,39,先摆一摆，再填数。,?,1,8,5,2,.,40,1.,5,9,9,.,41,2.,4,2,9,.,42,3.,3+4+1=2+2+4=4+3+2=,889,7+2+1=6+4+0=5+0+3=,10108,.,43,4.,8辆,2,2,.,44,1,6,10块,.,45,5.,8-5-3=9-5-4=10-6-2=,002,5-2-1=10-2-7=8-0-6=,212,.,46,6.填上数，使横行、竖行的三个数相加都得9。,.,47,4+3-2,=5,加减混合,.,48,2,5,.,49,3,4,8,.,50,5,1.,3,4,+,-,.,51,2.,.,52,1+4+5=10-4-4=7-6+5=,1026,3.,2+7+1=8-1-3=2+6-4=,1044,.,53,4+3+=,9,2,7,3,6-+=,2,4.,.,54,5.横行、竖行上的三个数相加，各得多少?,(),()()(),()()(),(),