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 4,324 and 235?

Back

4,559

Front

What is the difference between 804 and 667?

Back

137

Front

What is the result of 809 minus 68?

Back

741

Front

What is the result of 693 minus 150?

Back

543

Front

What is the result of 881 minus 79?

Back

802

Front

What does it mean to find the difference?

Back

Finding the difference means calculating how much one number is greater or less than another.

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

How do you check your addition?

Back

You can check your addition by using subtraction: subtract one of the addends from the sum to see if you get the other addend.