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 759 and 26?

Back

785

Front

What is the total number of medals won by four countries if they won 43, 12, 10, and 12 medals respectively?

Back

77

Front

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

Back

12,100

Front

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

Back

6,701

Front

What is the result of 19,385 minus 15,720?

Back

3,665

Front

What is a number line?

Back

A number line is a straight line with numbers placed at equal intervals along its length, used to represent numbers visually.

Front

What does it mean to regroup in addition?

Back

Regrouping in addition means to carry over a value from one column to the next when the sum exceeds 10.

Front

What does it mean to borrow in subtraction?

Back

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