一年级数学 口算(凑十法)
长沙烈士公园-德能勤绩
一年级数学凑十法
年级 班 姓名:
9 + 2
=( ) 9 + 3 =( )
9 + 4 =(
9 + 6
=(
9 + 8 =(
6 + 9 =(
8 + 3 =(
8 + 5
=(
) 9
+ 5 =(
) 9 + 7 =(
) 9 + 9 =(
)
5 + 9 =(
) 8 + 4 =(
) 8 + 6 =(
)
)
)
1
)
)
)
8
+ 7 =( ) 8 + 8 =( )
8 + 9 =( ) 6 + 8
=( )
7 + 8 =(
7 + 4 =(
7 + 6 =(
7 + 9
=(
4 + 7 =(
6 + 7 =(
) 3 + 8 =(
)
7 + 5 =(
) 7 + 8 =(
) 7 + 7 =(
)
5 + 7 =(
) 7 + 7 =(
)
)
)
)
)
)
2
8 + 7 =( ) 9 + 7
=( )
6 + 5 =(
) 6 + 6 =( )
6 + 7 =(
6 + 9
=(
7 + 9 =(
4 + 9 =(
3 + 8 =(
5 + 8 =(
) 6 + 8 =(
) 8
+ 9 =(
) 5 + 9 =(
) 3 + 9 =(
)
4 + 8 =(
) 6 + 8 =(
)
)
)
)
)
)
3
7 + 8 =( ) 8 + 8 =( )
4 + 7 =( ) 5
+ 7 =( )
6 + 7
=(
8 + 7 =(
5 + 6 =(
5 + 8 =(
6 + 7 =(
7
+ 8 =(
)
7 + 7 =(
) 9 + 7 =(
) 5 + 7 =(
)
5 + 9 =(
) 6 + 5 =(
) 8 + 9 =(
)
)
)
)
)
)
4