Addition with Regrouping

To find the sum of three digit numbers, you need to first add the ones place value.  You might need to regroup the ones as in the example below.

Then add the tens place value. Next, add the hundreds place value.

Add the ones.  Regroup! Hundreds Tens Ones 1 3 5 4 1 2 7 +_________ 1

Add the tens. Hundreds Tens Ones 1 3 5 4 1 2 7 +_________ 8 1

Add the hundreds. Hundreds Tens Ones 1 3 5 4 1 2 7 +_________ 4 8 1

Complete the problems below.

Hundreds Tens Ones 1 4 3 5 1 4 7 +__________

Hundreds Tens Ones 4 3 5 1 4 7 +__________ 2

Hundreds Tens Ones 1 4 3 5 1 4 7 +__________

Hundreds	Tens	Ones		Hundreds	Tens	Ones		Hundreds	Tens	Ones
3	6	7		6	4	9		2	5	6
5	2	8		2	4	7		4	2	5
+ __________				+ __________				+ __________
		5			9

2 3 6				1 2 3				4 2 8				7 1 3				9 2 3				4 2 5
+4 5 7				+2 3 9				+3 5 4				+1 2 8				+   4 7				+1 3 9
5 6 8				3 4 5				6 1 4				5 7 1				3 0 7				5 7 8
+3 3 9				+1 2 6				+1 2 7				+1 0 9				+2 4 7				+3 2 6