大班数学《魔幻城堡(分解组成)》PPT课件大班数学《魔幻城堡(分解组成)》PPT课件.ppt

《大班数学《魔幻城堡(分解组成)》PPT课件大班数学《魔幻城堡(分解组成)》PPT课件.ppt》由会员分享，可在线阅读，更多相关《大班数学《魔幻城堡(分解组成)》PPT课件大班数学《魔幻城堡(分解组成)》PPT课件.ppt（29页珍藏版）》请在优知文库上搜索。

1、目标:1、复习9的分解与组合。2、通过幼儿的实际操作，学习10的分解和组合。3、让幼儿进一步了解数量之间包含、互补和可逆关系，为学习加减法打基础。62464（）75272（）83585（）95494（）253565161（）73474（）86282（）92797（）53622 +4 =4 +3 =6 +2 =1 +5 =2 +3 =6786511 +4 =3 +2 =5 +1 =4 +2 =3 +3 =5566624 +2 =3 +3 =2 +3 =1 +5 =2 +2 =6656436 +1 =2 +2 =3 +2 =4 +2 =2 +6 =7456843 +1 =2 +4 =1 +5 =6

2、 +2 =7 +1 =4668852 +2 =4 +1 =3 +2 =2 +6 =7 +1 =4558865 +1 =3 +3 =4 +2 =3 +1 =2 +3 =6664573 +2 =4 +1 =1 +3 =2 +4 =6 +2 =5546881 +5 =3 +3 =4 +2 =2 +3 =3 +1 =6665493 +3 =2 +3 =5 +1 =6 +2 =1 +4 =65685102 +6 =3 +2 =1 +5 =4 +2 =3 +4 =8566743+5=84+2=61+4=52+5=75+2=75+3=82+4=64+1=532143+5=84+2=61+4=52+5=75+2=75+3=82+4=64+1=532143+5=84+2=61+4=52+5=75+2=75+3=82+4=64+1=532143+5=84+2=61+4=52+5=75+2=75+3=82+4=64+1=532143+5=84+2=61+4=52+5=75+2=75+3=82+4=64+1=532143+5=84+2=61+4=52+5=75+2=75+3=82+4=64+1=5321互互 换换 法法6+4=4+5=3+5=6+5=5+7=5+6=4+6=7+5=互互 换换 法法5+4=5+3=9810111289111210