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 does a number line represent?

Back

A number line is a straight line with numbers placed at equal intervals, used to visualize addition and subtraction.

Front

How do you add numbers on a number line?

Back

To add, start at the first number and move to the right by the number of spaces equal to the second number.

Front

How do you subtract numbers on a number line?

Back

To subtract, start at the first number and move to the left by the number of spaces equal to the second number.

Front

What is the sum of 2 and 3?

Back

5

Front

What is the difference between 5 and 2?

Back

3

Front

If you start at 10 and add 4 on a number line, where do you end up?

Back

14

Front

If you start at 15 and subtract 5 on a number line, where do you end up?

Back

10

Front

What is the first step in solving 47 + 22 on a number line?

Back

Start at 47.