Multidigit Addition and Subtraction

Front

What is the process of addition in mathematics?

Back

Addition is the mathematical operation of combining two or more numbers to get a total or sum.

Front

What is the process of subtraction in mathematics?

Back

Subtraction is the mathematical operation of taking one number away from another to find the difference.

Front

How do you perform multidigit addition?

Back

To perform multidigit addition, align the numbers by their rightmost digits, add each column starting from the right, and carry over any value greater than 9 to the next column.

Front

How do you perform multidigit subtraction?

Back

To perform multidigit subtraction, align the numbers by their rightmost digits, subtract each column starting from the right, borrowing from the next column if necessary.

Front

What is carrying in addition?

Back

Carrying is the process of transferring a value from one column to the next in addition when the sum exceeds 9.

Front

What is borrowing in subtraction?

Back

Borrowing is the process of taking a value from the next column in subtraction when the top digit is smaller than the bottom digit.

Front

What is the sum of 45,009 and 3,008?

Back

The sum is 48,017.

Front

What is the difference between 7,005 and 3,126?

Back

The difference is 3,879.

Front

If Will has $52,019 and withdraws $14,368, how much does he have left?

Back

Will has $37,651 left.

Front

If Brittany has 9,123 sharpened pencils and breaks 7,654, how many does she have left?

Back

Brittany has 1,469 sharpened pencils left.