ADDITION and SUBTRACTION

Front

What is the result of adding zero to any number?

Back

The result is the same number. For example, 4 + 0 = 4.

Front

What is the result of subtracting zero from any number?

Back

The result is the same number. For example, 7 - 0 = 7.

Front

What is the sum of 2 and 6?

Back

The sum is 8, as 2 + 6 = 8.

Front

What is the difference between 8 and 5?

Back

The difference is 3, as 8 - 5 = 3.

Front

What is the difference between 9 and 6?

Back

The difference is 3, as 9 - 6 = 3.

Front

What is addition?

Back

Addition is the mathematical operation of combining two or more numbers to get a total.

Front

What is subtraction?

Back

Subtraction is the mathematical operation of taking one number away from another.

Front

What is the identity property of addition?

Back

The identity property of addition states that the sum of any number and zero is the number itself.

Front

What is the identity property of subtraction?

Back

The identity property of subtraction states that subtracting zero from any number leaves the number unchanged.

Front

How do you solve 4 + 0?

Back

You simply keep the number 4, as adding zero does not change its value.