Multi-Digit Addition and Subtraction

Front

What is multi-digit addition?

Back

Multi-digit addition is the process of adding numbers that have more than one digit, aligning the numbers by place value and adding each column from right to left, carrying over any values as necessary.

Front

What is multi-digit subtraction?

Back

Multi-digit subtraction is the process of subtracting numbers that have more than one digit, aligning the numbers by place value and subtracting each column from right to left, borrowing from the next column when necessary.

Front

How do you carry over in addition?

Back

When the sum of a column exceeds 9, you write down the rightmost digit and carry over the leftmost digit to the next column to the left.

Front

How do you borrow in subtraction?

Back

When a digit in the top number is smaller than the corresponding digit in the bottom number, you borrow 1 from the next left column, reducing it by 1 and adding 10 to the current column.

Front

What is the sum of 275,558 and 605,131?

Back

The sum is 880,689.

Front

What is the difference when subtracting 253 from 3,495?

Back

The difference is 3,242.

Front

What is the result of 4,876 minus 1,382?

Back

The result is 3,494.

Front

What is the result of 6,000 minus 1,773?

Back

The result is 4,227.

Front

What is the sum of 899 and 1,259?

Back

The sum is 2,158.

Front

What is the importance of place value in multi-digit addition and subtraction?

Back

Place value is crucial because it determines the value of each digit in a number, ensuring that numbers are aligned correctly for accurate addition or subtraction.