Addition & Subtraction Within 20 Using 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, used to represent numbers and perform operations like addition and subtraction.

Front

How do you add using a number line?

Back

To add using a number line, start at the first number and move to the right by the number of steps equal to the second number.

Front

How do you subtract using a number line?

Back

To subtract using a number line, start at the first number and move to the left by the number of steps equal to the second number.

Front

What is 8 + 8?

Back

16

Front

What is 17 - 7?

Back

10

Front

What is 13 + 5?

Back

18

Front

What is 13 + 6?

Back

19

Front

What is 18 - 5?

Back

13