3 Digit Addition with Regrouping

Front

What is 3-digit addition with regrouping?

Back

It is the process of adding numbers that have three digits, where you may need to carry over (regroup) when the sum of a column exceeds 9.

Front

What do you do when the sum of the ones column is greater than 9?

Back

You regroup by carrying over 1 to the tens column and writing down the ones digit.

Front

What is the sum of 357 and 149?

Back

506

Front

What is the sum of 832 and 178?

Back

1,010

Front

What is the sum of 494 and 313?

Back

807

Front

What is the sum of 278 and 342?

Back

620

Front

How do you add the tens column in 357 + 149?

Back

Add 5 (from 357) and 4 (from 149), then add any carry from the ones column.

Front

What is the first step in adding 3-digit numbers?

Back

Align the numbers by place value (ones, tens, hundreds) and start adding from the right.

Front

What is regrouping in addition?

Back

Regrouping is the process of carrying over a value to the next column when the sum exceeds 9.

Front

If you have 9 in the ones column and add 5, what do you do?

Back

You write down 4 in the ones column and carry over 1 to the tens column.