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 261,789 and 34,605?

Back

296,394.

Front

What is the sum of 7,845, 509, and 3,746?

Back

12,100.

Front

What is the sum of 821 and 4,543?

Back

5,364.

Front

What is the difference when you subtract 13,999 from 20,700?

Back

6,701.

Front

What is the result of adding 759 and 26?

Back

785.

Front

What is a whole number?

Back

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

Front

What does it mean to carry over in addition?

Back

Carrying over is when the sum of a column exceeds 10, and you move the extra value to the next column.

Front

What does it mean to borrow in subtraction?

Back

Borrowing is when you take 1 from the next left column to help subtract when the top number is smaller than the bottom number.