《（教育精品）0的认识及有关0的加减法》由会员分享，可在线阅读，更多相关《（教育精品）0的认识及有关0的加减法（13页珍藏版）》请在金锄头文库上搜索。
人教新课标版一年级数学上册,0的认识和加减法,广南二小 陆恩莲,2,1,0,0,3 - 3 =,4 + 0 = 4,5,0,3,4,2,0,1,0,做一做,1.,( ),( ),( ),5,2,0,练习四,2. 从小到大排一排。,3.,2,3 - =,1,3 - =,0,3,2,4.,3 + =,3,0,0 + =,3,3,5.,3,1,2,2,1,3,0,4,6. 看谁算得都对。,2 - 0 = 5 - 2 = 3 + 1 = 5 - 4 =,2 3 4 1,3 + 0 = 4 - 4 = 5 - 3 = 2 + 3 =,3 0 2 5,0 + 5 = 4 + 1 = 4 - 2 = 4 - 3 =,5 5 2 1,7.,1,2,3,4,5,我肯定比你多。,他说的一定对吗?,
