1、六、六、6和和7的加減法的加減法用數(shù)學(xué)用數(shù)學(xué)5 + 1 = 61 + 5 = 67 - - 1 = 67 - - 6 = 1擺一擺。擺一擺。4 + 2 =2 + =6 - - 2 =6 - - =5 + 2 =2 + =7 - - 2 =7 - - =3 + =6 - - 3 =想一想。想一想。2 + 4 =7 - - 3 =3 + 4 =1 + 6 =4 + 3 =7 - - 4 =6 - - 5 =6 - - 1 =4 + 2 =我我 7 歲了歲了 。我家有我家有 5 口人?？谌?。我在一年我在一年級(jí)級(jí) 4 班班。我家住我家住 302。4 + =26? 人人7 - - =7 個(gè)個(gè)34? 個(gè)個(gè)

2、6 個(gè)個(gè)6 =33- -? 個(gè)個(gè)?只只5 =27+1.64 24625 13632753 4176767 5 4 2 3 54676322.把右邊的把右邊的 6 只熊貓圈在一起。只熊貓圈在一起。在左數(shù)第在左數(shù)第 7 只熊貓的上面畫(huà)只熊貓的上面畫(huà) 1 個(gè)個(gè) 。3.6 - - =24- - =6424.4 + =37+ =3477 - - =- - = 5.57225 7 - - 2 7 - - 43 + 36 - - 234566 - - 5 2 + 55 - - 37 - - 7 01276.7. 哪兩張卡片上點(diǎn)子的數(shù)相加得哪兩張卡片上點(diǎn)子的數(shù)相加得 6 ? 哪兩張卡片上點(diǎn)子的數(shù)相加得哪兩張卡

3、片上點(diǎn)子的數(shù)相加得 7 ?4 + 2 = 62 + 4 = 68. 拿出兩張數(shù)字卡片，用大的數(shù)減小的數(shù)。拿出兩張數(shù)字卡片，用大的數(shù)減小的數(shù)。7 - - 2 = 572543106 3 + 4 = 4 + 2 = 7 - - 3 =4 - - 2 = 7 - - 4 = 2 + 5 =7 - - 5 = 1 + 6 = 6 - - 4 =5 - - 0 = 6 - - 3 = 5 - - 3 =7642372725329.( )( )個(gè)個(gè)710.( )( )個(gè)個(gè)( )( )個(gè)個(gè)7511. + =617+5162=7=+4372=6=15=+3254=7=14=36=7 只只7 =34- -6 只只6 =24- -？條條6 =17+ +12.？只只？只只6 條條13.? 只只4 + =267 只只7 =16- -？只只- - =14. 用下面的數(shù)字卡片用下面的數(shù)字卡片, ,你能擺出幾種算式你能擺出幾種算式?+ =257- - =514+ =235- - =523+ =213- - =532+ =34