Adding large numbers is as easy as adding small
numbers. You can add and regroup in your head.
Look at the problem below.
1
2
2
1
1
1
2
4
,
9
7
2
2
1
8
,
7
4
3
2
6
5
,
6
2
1
+
3
4
7
,
3
1
5
9
5
6
,
6
5
1
Add the ones column in your head and carry the
ten. Add the tens column in your head and carry the hundred.
Complete the problems below.
1
1
2
,
3
4
2
1
1
4
,
1
5
1
8
7
6
,
5
4
3
+
9
8
7
,
6
5
4
,
,
1
2
1
,
2
4
1
1
2
3
,
3
6
4
8
6
7
,
8
7
6
+
9
7
8
,
9
2
7
,
,
3
2
1
,
1
4
1
4
3
4
,
3
5
1
5
4
4
,
1
5
3
+
6
5
7
,
8
2
7
,
,
4
3
2
,
1
4
5
5
4
3
,
1
5
2
6
5
4
,
5
7
4
+
7
6
5
,
9
1
9
,
,
4
1
2
,
1
4
1
4
1
3
,
9
5
3
4
2
4
,
1
6
4
+
4
3
5
,
7
1
8
,
,
5
2
6
,
2
7
6
5
5
4
,
3
7
6
5
5
6
,
7
6
3
+
5
3
7
,
7
1
6
,
,
1
0
4
,
8
8
8
1
1
4
,
4
4
4
1
1
3
,
3
3
3
+
9
8
7
,
1
1
1
,
,
2
4
5
,
2
0
1
3
4
4
,
3
5
2
5
4
5
,
2
0
0
+
8
4
7
,
9
9
8
,
,
2
0
5
,
2
9
1
3
0
4
,
3
9
3
7
9
0
,
9
6
3
+
8
9
7
,
9
1
8
,
,
2
6
4
,
3
4
1
7
6
1
,
4
5
2
7
6
3
,
2
6
3
+
7
3
7
,
9
3
9
,
,
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