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 specific total.

Front

How do you find a missing addend in an equation like 5 + __ = 16?

Back

To find the missing addend, subtract the known addend from the total: 16 - 5 = 11.

Front

What is the formula to find a missing addend?

Back

The formula is: Missing Addend = Total - Known Addend.

Front

If 2 + __ = 20, what is the missing addend?

Back

The missing addend is 18, calculated as 20 - 2.

Front

In the equation 0 + __ = 16, what does the missing addend represent?

Back

The missing addend represents the total itself, which is 16.

Front

What is the missing addend in the equation 8 + __ = 13?

Back

The missing addend is 5, calculated as 13 - 8.

Front

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

Back

You can check by adding the known addend and the missing addend to see if it equals the total.

Front

What is the missing addend in the equation 3 + __ = 13?

Back

The missing addend is 10, calculated as 13 - 3.

Front

Why is understanding missing addends important in mathematics?

Back

Understanding missing addends is crucial for solving equations and understanding basic arithmetic operations.

Front

Can missing addends be negative numbers?

Back

Yes, missing addends can be negative if the total is less than the known addend.