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 does the term 'sum' mean?

Back

The sum is the result of adding two or more numbers together.

Front

What does the term 'difference' mean?

Back

The difference is the result of subtracting one number from another.

Front

What is expanded form?

Back

Expanded form is a way to write numbers by showing the value of each digit. For example, 346 = 300 + 40 + 6.

Front

How do you solve 436 + 163?

Back

436 + 163 = 599.

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 is a strip diagram?

Back

A strip diagram is a visual representation of a mathematical problem, often used to help understand addition and subtraction.

Front

What is the first step in solving a subtraction problem?

Back

The first step is to identify the numbers involved and determine which number is being taken away.

Front

What is the first step in solving an addition problem?

Back

The first step is to identify the numbers you are adding together.