Missing Addends

Front

What is a missing addend in an addition equation?

Back

A missing addend is a number that needs to be added to another number to reach a specified sum.

Front

How do you find a missing addend in the equation 8 + ___ = 12?

Back

Subtract the known addend from the total: 12 - 8 = 4.

Front

What is the relationship between addition and subtraction in finding missing addends?

Back

Finding a missing addend can be done using subtraction; if you know the total and one addend, you can subtract to find the missing one.

Front

In the equation 16 - ___ = 12, what is the missing number?

Back

The missing number is 4, found by calculating 16 - 12.

Front

What is the missing addend in the equation 7 + ____ = 13?

Back

The missing addend is 6, calculated by subtracting 7 from 13.

Front

How can you check if your answer for a missing addend is correct?

Back

You can check by substituting the missing addend back into the equation to see if it equals the total.

Front

What is the missing number in the equation 10 - ___ = 7?

Back

The missing number is 3, found by calculating 10 - 7.

Front

In the equation 15 - ___ = 10, how do you find the missing number?

Back

Subtract 10 from 15 to find the missing number, which is 5.

Front

What is the importance of understanding missing addends in mathematics?

Back

Understanding missing addends helps in solving equations and enhances problem-solving skills.

Front

What is an example of a real-life situation where you might need to find a missing addend?

Back

If you have a total of 20 apples and you know you gave away some, finding out how many you gave away is finding a missing addend.