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1、练 习 十 一,23+5=,23+7=,23+9=,4+74=,6+74=,8+74=,12+5=,15+5=,16+5=,28,30,32,78,80,82,17,20,21,78,35,29,56,43,67,84,+9=,+7=,口算大比拼,44,38,65,52,76,93,87,85,42,36,63,50,74,91,5+72 =,5+75 =,54+3 =,54+8=,77,80,57,62,56+4 =,65+4 =,60,69,欢迎来到草莓园,36+8=,54+3=,把对的得数圈出来,25+7=,2+29=,( 34 , 44 ),( 67 , 57 ),( 32 , 95
2、),( 49 , 31 ),45+5 40,37+2 49,7+58 66,60+23 92,58+4 62,6+37 33,在 里填上“ ” “ ” 或“ ” 。,17个,9个,每箱25个,全部放进纸箱里,能装下吗?,17+9=26(个),26,25,答:全部放进纸箱里,放不下。,7.,一组植树14棵,二组植树9棵。两个组一共植树多少课?,14+9=23(棵)答:两个组一共植树23棵。,还能提出什么问题?,32,47,53,74,66,39,28,41,+9=,+8=,9+41=50,9+28=37,9+39=48,9+66=75,9+74=83,9+53=62,9+47=56,9+32=4
3、1,8+32=40,8+47=55,8+53=61,8+74=82,8+66=74,8+39=47,8+28=36,8+41=49,9.,59+5= 7+54= 56+4=73+8= 24+60= 4+27= 6+26= 32+8= 67+6= 9+42= 48+5= 16+4=,64,81,32,51,61,84,40,53,60,31,73,20,先说出得数是几十多,再计算。,32+20=,6+52=,55+8=,7+85=,五十多,九十多,五十多,六十多,65+6=,七十多,52,58,71,92,63,一共收了多少个萝卜?,我运走了15个萝卜。,还剩9个。,15+9=24(个),9,+,38,47,25,+,9,34,16,+,4,20,小玉,小兰,小青,(元),(元),(元),13.找规律填数,30,36,42,40,48,56,45,54,63,今天,你有什么收获?,