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 the sum of 124 and 369?

Back

493

Front

What is the difference when you subtract 243 from 365?

Back

122

Front

What is the expanded form of 428?

Back

400 + 20 + 8 = 428

Front

What is the sum of 423 and 49?

Back

472

Front

What does it mean to 'carry' in addition?

Back

Carrying is when you move a value from one column to the next in addition when the sum exceeds 10.

Front

What does it mean to 'borrow' in subtraction?

Back

Borrowing is when you take a value from the next column in subtraction to help subtract when the top number is smaller.

Front

What is a number line?

Back

A number line is a straight line with numbers placed at equal intervals, used to represent numbers and their relationships.

Front

What is a word problem in math?

Back

A word problem is a mathematical question presented in the form of a story or real-life scenario.