Adding and subtracting whole numbers

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 90,023 and 26,712?

Back

The sum is 116,735.

Front

What is the difference between 90,023 and 26,712?

Back

The difference is 63,311.

Front

What is the sum of 16,018 and 135?

Back

The sum is 16,153.

Front

What is the difference between 21,650 and 3,901?

Back

The difference is 17,749.

Front

What is the sum of 14,926 and 3,832?

Back

The sum is 18,758.

Front

What is the difference between 693 and 150?

Back

The difference is 543.

Front

What is a whole number?

Back

A whole number is a number without fractions or decimals; it can be zero or any positive number.

Front

What does it mean to regroup in addition?

Back

Regrouping in addition means to carry over a value to the next column when the sum exceeds 9.