Written addition of two 3-digit numbers

Using the formal written method to add two 3-digit numbers.

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Adding a 2-digit number to a 3-digit number using the standard written method.

Adding multiples of ten to three digit numbers using the standard written method.

Simple practice using the written method to add hundreds to 3-digit numbers.

Today we are looking at the formal, written method of addition for adding two 3-digit numbers.