10以内数的分解与组合练习题
10以内分成与组成
(2的分成与组成)
2-0= 1 2-1=
0+2= 1+1 =
-1=1 =2 +0=2 =2
(3的分成与组成)
3-0= 3-1=
3-2= 3-3=
1+2= 2+1= 0 3+0=
2 1
3 0
-0=3 -1= 2 -2=1
=2 =1 =0
=3 = 3 =3
(4的分成与组成)
4-0= 4-1=
4-2= 3 4-3= 4 4-4=
1+3= 2+3= 1 3+2= 1 3 2 2 3 1
4 4 4 4
-1=3 -2=2 -3= 1
=3 =2 =1 = 0
=4 = 4 =4 = 4
(5的分成与组成)
5-1= 5-2= 3 5-3=
5-4= 5-5=
1+4= 2+3= 2 3+2=
4+1=
2 3 3 2 1
-1=4 -2=3 -3= 2
=4 =3 =2 = 1
=5 = 5 =5 = 5
(6的分成与组成)
6-1= 6-2= 3 6-3=
6-4= 6-5= 6 6-6=
1+5= 2+4= 3 3+3=
4+2= 5+1=
2 4
3 3 2 5 1
6 6 6 6 6 6
-1=5 -2=4 -3= 3
-5=1 =5 =4
=3 = =1
=6 = 6 =6 = 6
(7的分成与组成)
7-1= 7-2= 3 7-3=
7-4= 7-5= 6 7-6=
1+6= 2+5= 4 3+4=
4+3= 5+2= 1 6+1= 2 5 3 4 3 5 2 6 1
7 7 7 7
-1=6 -2=5 -3= 4
-5=2 -6= 1 -7=0
=7 =6 =5 = 4
=3 = 2 =1 = 0
=7 = 7 =7 = 7
=7 = 7
自主练习:(有关7的加减法练习题-自己出题)
8的分成与组成
8-1= 8-2= 3 8-3=
8-4= 8-5= 6 8-6=
8-7= 8 8-8= 0
1+7= 2+6= 5 3+5=
4+4= 5+3= 2 6+2=
7 1 7+1=
2 6
3 5
4 3
5 2
6 7
8 8 8 8
-1=7 -2=6 -3= 5
-5=3 -6= 2 -7=1
=8 = 7 =6 = 5
=4 = 3 =2 = 1
=8 = 8 =8 = 8
=8 = 8 =8 = 8
自主练习;(有关8的加减法练习题-自己出题)
9的分成与组成
9-1= 9-2= 3 9-3=
9-4= 9-5= 6 9-6=
9-7= 8 9-8= 9
9-0= 0 9-9=
1+8= 2+7= 6 3+6=
4+5= 5+4= 3 6+3=
7+2= 8+1= 0 9+0= 2 7 3 6 5 5 4 3 6 7 8
-1=8 -2=7 -3= 6
-5=4 -6= 3 -7=2
-9= 0
=9 = 8 = 6
=5 = 4 =3 = 2
=9 = 9 =9 = 9
=9 = 9 =9 = 9
自主练习:(有关9的加减法练习-自己出题)
10的分成和组合
10-1= 2 10-2= 3 10-3=
10-4= 10-5= 6 10-6=
10-7= 10-8= 9 10-9=
10-0= 10-10=
1+9= 2+8= 7 3+7=
4+6= 5+5= 4 6+4=
7+3= 8+2= 1 9+1= 1 9 2 8 3 7 4 6 5 5 6 4 7 3 2
-0= -1= -2= -3=
-4= -5= -6= -7=
-8= -9= -10=
=9 = 8 =7 = 6
=5 = 4 =3 = 2
=10 = 10 =10 =
10
=10 = 10 =10 =
=10