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 3,258 and 1,761?

Back

5,019

Front

What is the difference when you subtract 150 from 693?

Back

543

Front

What is the result of 20,700 minus 13,999?

Back

6,701

Front

Find the difference: 804 - 667 = ?

Back

137

Front

What is 19,385 - 15,720?

Back

3,665

Front

What does it mean to 'carry' in addition?

Back

Carrying is a method used in addition when the sum of a column exceeds 9, moving the extra value to the next column.

Front

What does it mean to 'borrow' in subtraction?

Back

Borrowing is a method used in subtraction when a digit in the top number is smaller than the digit below it, requiring a value to be taken from the next column.

Front

What is a whole number?

Back

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