Three Digit Adding with Regrouping

Front

What is regrouping in addition?

Back

Regrouping is the process of carrying over a value from one column to the next when the sum of a column exceeds 10.

Front

What is the sum of 586 and 243?

Back

The sum of 586 and 243 is 829.

Front

What is the sum of 255 and 367?

Back

The sum of 255 and 367 is 622.

Front

What do you do when the sum of the ones column is more than 10?

Back

You regroup by carrying over 1 to the tens column.

Front

What is the sum of 832 and 178?

Back

The sum of 832 and 178 is 1010.

Front

How do you add three-digit numbers?

Back

Align the numbers by place value (hundreds, tens, ones) and add each column starting from the right.

Front

What is the value of the digit 5 in the number 586?

Back

The value of 5 in 586 is 500.

Front

What is the value of the digit 2 in the number 243?

Back

The value of 2 in 243 is 20.

Front

What is the first step in adding 729?

Back

Identify the place values of each digit: 7 is hundreds, 2 is tens, and 9 is ones.

Front

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

Back

9 + 5 = 14, so you write down 4 and carry over 1 to the tens column.