Missing Addends

Front

What is an addend?

Back

An addend is a number that is added to another number in an addition operation.

Front

What is the missing addend in the equation: __ + 6 = 10?

Back

The missing addend is 4.

Front

How do you find a missing addend in an equation?

Back

To find a missing addend, you can rearrange the equation to isolate the unknown value, often by using subtraction.

Front

What is the equation for finding a missing addend when given a total?

Back

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

Front

If 7 + __ = 12, what is the missing addend?

Back

The missing addend is 5.

Front

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

Back

Addition and subtraction are inverse operations; knowing one can help find the other.

Front

In the equation 8 - 6 = __ - 3, how do you solve for the missing number?

Back

First, solve the left side: 8 - 6 = 2. Then set up the equation: 2 = __ - 3, which gives __ = 5.

Front

What is the result of the equation: __ - 6 = 7 + 1?

Back

The result is 14, as 7 + 1 = 8, so __ = 8 + 6.

Front

What is the missing addend in the equation: 3 + __ = 7?

Back

The missing addend is 4.

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 original equation to see if both sides are equal.