Addition and Subtraction

Front

What is addition?

Back

Addition is the process of finding the total or sum by combining two or more numbers.

Front

What is subtraction?

Back

Subtraction is the process of finding the difference between two numbers by taking one number away from another.

Front

What is the sum of 431,925 and 204,815?

Back

The sum is 636,740.

Front

What is the difference between 431,925 and 204,815?

Back

The difference is 227,110.

Front

What is the sum of 527, 275, and 751?

Back

The sum is 1,553.

Front

What is the difference between 6,025 and 3,502?

Back

The difference is 2,523.

Front

What is the sum of 6,311 and 268?

Back

The sum is 6,579.

Front

What is the sum of 34,698 and 71,840?

Back

The sum is 106,538.

Front

What is a number line?

Back

A number line is a straight line with numbers placed at equal intervals along its length, used to represent numbers visually.

Front

What does 'regrouping' mean in addition?

Back

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