Three-Digit Addition and Subtraction

Front

What is three-digit addition?

Back

Three-digit addition is the process of adding numbers that have three digits, such as 123 + 456.

Front

What is three-digit subtraction?

Back

Three-digit subtraction is the process of subtracting one three-digit number from another, like 789 - 456.

Front

What is the sum of 123 and 456?

Back

579

Front

What is the difference between 500 and 275?

Back

225

Front

How do you carry over in addition?

Back

When the sum of a column exceeds 9, you carry over the extra value to the next column.

Front

What is borrowing in subtraction?

Back

Borrowing is when you take 1 from the next left column to help subtract a larger digit.

Front

What is the sum of 891 and 109?

Back

1000

Front

What is the difference between 204 and 118?

Back

86

Front

What is the first step in three-digit addition?

Back

Align the numbers by their place values: hundreds, tens, and ones.

Front

What is the first step in three-digit subtraction?

Back

Align the numbers by their place values: hundreds, tens, and ones.