To find the sum of 3 two-digit numbers, you need to first add the ones
place value. Then add the tens place value.
Find the sum.
Tens
Ones
1
3
5
4
2
7
+________
Add the ones. Regroup!
Tens
Ones
1
3
5
4
2
7
+________
14
Add the tens.
Tens
Ones
1
1
3
5
4
2
7
+________
9
4
Complete the problems below.
Add the ones.
Tens
Ones
3
5
1
4
4
7
+________
Regroup!
Tens
Ones
3
5
1
4
4
7
+________
6
Add the tens.
Tens
Ones
1
3
5
1
4
4
7
+________
6
Tens
Ones
1
1
3
2
6
3
7
+________
6
Tens
Ones
1
5
2
3
3
9
+________
7
Tens
Ones
1
3
3
8
4
4
+________
Tens
Ones
1
7
2
3
3
4
+________
Tens
Ones
1
6
1
7
5
2
+________
Tens
Ones
1
3
2
2
4
4
+________
Tens
Ones
1
2
1
4
3
9
+________
Tens
Ones
1
5
2
1
3
2
+________
Tens
Ones
2
2
3
3
3
8
+________
Tens
Ones
1
4
3
5
4
7
+________
Tens
Ones
1
1
4
8
3
9
+________
Tens
Ones
2
9
2
7
2
1
+________
1
7
1
9
2
0
+________
1
2
1
3
2
4
+________
1
6
2
6
3
7
+________
1
3
3
8
4
5
+________
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