Addition and Subtraction

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 taking one number away from another.

Front

What is a number sentence?

Back

A number sentence is a mathematical statement that shows a relationship between numbers using operations like addition or subtraction.

Front

What does the '+' symbol mean?

Back

The '+' symbol means 'plus' and is used to indicate addition.

Front

What does the '-' symbol mean?

Back

The '-' symbol means 'minus' and is used to indicate subtraction.

Front

What is the sum of 5 + 3?

Back

The sum of 5 + 3 is 8.

Front

What is the difference of 10 - 4?

Back

The difference of 10 - 4 is 6.

Front

If you have 8 apples and you give away 2, how many do you have left?

Back

You have 6 apples left.

Front

What is expanded form?

Back

Expanded form is a way to write numbers by showing the value of each digit.

Front

What is the expanded form of 346?

Back

The expanded form of 346 is 300 + 40 + 6.