Addition and Subtraction using a Number Line

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 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

How do you use a number line for addition?

Back

To add using a number line, start at the first number and move to the right by the amount you are adding.

Front

How do you use a number line for subtraction?

Back

To subtract using a number line, start at the first number and move to the left by the amount you are subtracting.

Front

What is the sum of 48 and 23?

Back

71

Front

What is the difference when you subtract 9 from 37?

Back

28

Front

If there are 47 students on the bus and 22 more get on, how many students are there now?

Back

69

Front

What does it mean to 'start' on a number line?

Back

To 'start' on a number line means to identify the first number you will work with before adding or subtracting.

Front

What is the answer to 2 + 3 on a number line?

Back

5