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 354 and 29?

Back

383

Front

What is the difference when you subtract 27 from 504?

Back

477

Front

What is 881 minus 79?

Back

802

Front

What do you get when you add 759 and 26?

Back

785

Front

What is the result of adding 821 and 4,543?

Back

5,364

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.

Front

What does it mean to borrow in subtraction?

Back

Borrowing in subtraction means to take 1 from the next higher place value when the top number is smaller than the bottom number.